Tuesday, August 31, 2010

Gold Panning : Backwash and Tap Method

How to pan gold and use the "Backwash & Tap" method to separate fine gold from black sand. Use several drops of JetDry per gallon of panning tub water too.

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Prospecting for Gold in Utah

Prospecting for Gold in Utah

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The precious metals in the original sample have been concentrated into the 2 or 3 mg bead. If the fluxing, fusion and cupellation are done properly, the Au, Pt, Pd found in the bead will represent well over 99% of that in the sample. There are small losses to slag and the cupel but they are not usually significant. Silver losses are usually more significant and have to be taken into account when reporting Ag analysis based on fire assay work. Silver losses are determined by the cupellation of a known amount of Ag using the same mass as is expected in the sample. The weigh difference of the control silver before and after cupellation is added to the Ag of the sample as a correction.

There are losses in cupellation and the amount depends on factors such as the nature and shape of the cupel, the temperature of cupellation, the proportion of lead and silver, the amount of the impurities and the draft through the furnace. The losses of the precious metals are from sprouting, absorption of bouillon by the cupel, oxidation and absorption of gold and silver and volatilization of silver and gold. With good cupellation the losses of precious metals is due mainly to oxidation and absorption of the oxides. The small losses are due to volatilization. Silver is more readily oxidized than gold and the bead is higher percentage of silver. The most important single factor relative to cupel loss is the temperature. The cupellation should always be conducted at the lowest practicable temperature. There several things that can make the cupellation easier. After cupels are driving, open vent and furnace door to speed up the process. Do not overload Pb buttons directly from the moulds to the cupels. For large beads that are high in Ag, one should slowly remove from the furnace or cover the cupel with an empty hot one to prevent sprouting. Increased time is required when loading buttons into cold cupels.

 Cupellation separates the gold and silver from the lead. This consists of an oxidizing fusion in a porous vessel called a cupel. The objective of cupellation is the conversion of Pb and other base metals such as Cu that are in the lead button into oxides. The oxides are separated from the Au, Ag and other precious metals because they do not oxidize under cupellation conditions.

One should check furnace temperature and inspect cupels for smoothness & foreign matter. Blow debris from cupel with low pressure air canister. Place empty cupels in furnace for 10 minutes in order to expel all the moisture and organic matter. The pounded lead buttons are placed into the cupel in the furnace and the lead is oxidized to PbO, which is absorbed into the cupel. If the cupels are thoroughly heated, the lead will melt at once and become covered with a dark scum. If the temperature is correct this will disappear within minutes. The lead will become bright once this has happened and it is said that the button has opened up or uncovered. This signifies that the lead has begun to oxidize. Close vent & door for 5 minutes to make sure that all the buttons have opened up. The door is opened slightly to admit a supply of air to promote oxidation of the lead. The air oxidizes the Pb to PbO, 98.5% soaks into the porous surface of the cupel and about 1.5% volatilizes. Continue to cupel for 35 – 40 minutes. If the temperature of the furnace becomes to low when the door is opened to allow the supply of air for the oxidation, the litharge will not be absorbed into the cupel and the lead will solidify. When this occurs, the button is said to have frozen. The assay should be rejected, as the results are usually low. One can try to bring them to the driving temperature with a popsicles stick, this sometimes works. The oxidation proceeds at a rate of about 1 g of lead per minute so 30 gram buttons should take about 30 minutes for all of the lead to be oxidized. The Au, Ag and the other precious metals do not oxidized and are left as a small bead in the bottom of the cupel.

Indications of Metals present: Zinc burns as brilliant greenish white flame and emits dense white fumes.
Tin oxidizes quickly and forms SnO2 which covers the lead with infusible yellow lava fragments and stops the cupellation.
Iron gives brown or black lava fragments, as does cobalt and manganese. Small amounts of iron oxide will stain the cupel dark red.
Nickel will deposit dark green lava fragments and stain the cupel green. Large amount of nickel will cause the button to freeze.
Copper is absorbed in the cupel and gives the cupel a stain that ranges from dirty green almost to black according to the amount present.

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Assaying and Analysing for Platinum

Assaying the platinum group Elements (PGE’s) is done via the same fire assy analysis technique explained earlier. The standard lead collection scheme used for gold gives good recovery for platinum and palladium as well. They are soluble in aqua regia and can be measured with gold in a multi element instrument such as ICP/OES or ICP/MS. The detection limits are low ppb.
The elements osmium, ruthenium and iridium are lost during the standard lead assay and cupellation process. Instead, they have been determined using the nickel sulphide collection technique. The nickel sulphide technique uses a 10 g of sample, 1 g powdered Ni, .8 g S, 12g soda ash, and 24 g borax.
The mixture is fused at 1010 0C for 1 hr. Then it is cooled and the assayer separates the NiS matte from the slag and pulverizes the NiS matte. The pulverized matte is dissolved in concentrated HCl. A filter is used to collect the PGE sulphides . Once the PGE’s are collect, they are dissolved in aqua regia, dilute, and measure on ICO/OES or ICP/MS. The Ni powder is very toxic and the concentration HCl digestion step can cause serious fume problems and are need to be done with a good exhaust system. The method is expensive, and the PGE’s that are assayed by this method are rare.

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Gravimetric Finish in Gold Sample Analysis Technique

roper Gravimetric Technique starts with ensuring departing cups are apple-pie afore using. The assayer should put a abrade angle in hot 6:1 nitric to start, and watch
the bean for its reactivity, add stronger acerbic if it is needed. This should be done on a hot bowl and central a anger hood. If stronger acerbic is bare it should be hot. One should anxiously add and abolish the acerbic with a disposable pipette. To accomplish abiding that floaters are absolutely parted, use bottle rod or tap cup to bore to bore them. One can add ammonia bathe band-aid and to abolish any AgCl that is present. There are microbalances that can go bottomward to 0.1mircograms which allows the gravimetric apprehension absolute to advance over the gold balances in the pasts. Handling the actual baby chaplet can be actual difficult, so gravimetric accomplishment is aloof for college brand samples. Analysis of gold was by blaze assay, with a gravimetric accomplishment on samples beyond 3 g / t gold
After departing is completed, one should bathe the bead. One can use bathe with 14:1 NH4OH to abolish any antithesis AgCl or use distilled water.
Drying & Annealing.
One should acquiesce any damp to dry because the Au can be absent due to spiting. One can do this by agreement the departing cup on a hot bowl to dry. Annealing the Au should be done over a flame. This turns the Au from atramentous to gold and hardens it and causes the particles to stick together.
Annealing Tips
Inspect and abolish adopted particles. Back application a blaze for the purposes of annealing, one should calefaction the basal of the departing cup until it is red.
The bean should not accept a gold/ assumption color, if it does, it agency the bean is not absolutely beggared because of the low Ag:Au ratio. For gravimetric accomplishment one should audit the departing cup to accomplish abiding that it is apple-pie and counterbalance the sample for the aforementioned breadth of time as it takes to tare the balance. Flouring is back the bean break up during departing due because of several affidavit because of incorrect Ag:Au ratio, algid departing acid, and impurities.

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Monday, August 30, 2010

Gold Prospecting Picks

The gold prospecting pick is by far one of the best important accoutrement a miner or prospector can have. It can generally be that you accept the amiss apparatus for the job. Appropriate now my admired aces is the Hermit Pick. Its tough, ablaze weight and fabricated in the acceptable old USA. It can absolutely scrape the arena and dig a abysmal aperture fast, you aloof don't appetite to abatement on it. For abundant dry abrasion the old accepted Home Depot aces is the way to go, no agnosticism about it. For metal audition the appropriate apparatus for the job is a added specialized aces and there are absolutely a few to accept from. If you are a adamantine basement or lode gold hunter a basement aces ability be added to your liking. A fresh aces the Axe Aces is additionally aloof now on the market.
When asset cutting for gold nuggets it is important to accomplish your ambition accretion amount as accessible and quick as accessible so the use of magnets comes in. Added accurately the use of neodymium attenuate apple magnets appear into play. Why? Aback absorbed to your aces while digging a ambition they accept the amazing backbone to aces up aloof about any apart adamant debris like old cossack tacks, adamant scrap, wire etc. this is a huge time saver.
The pictures beneath appearance the use of a neodymium attenuate apple allurement on a gold prospecting aces abounding of atramentous bank and again how to position the allurement on the aces in the picture. Click the pictures to enlarge. As you can see aback I was digging for a ambition abreast basement I acclimated the aces and allurement to scrape the arena and hopefully get any apart debris out of my way. If I scrape and again beat my braid aback over the breadth and the ambition is gone again my allurement best it up for me and I apperceive its debris and can move on. In very, actual attenuate situations gold accumulated with alluring host occurs and a asset or case could be taken up on your aces and anticipation as trash. I've begin bags of pieces of gold but alone a bisected dozen or so nuggets with alluring host stone. Its a actual attenuate thing, actual rare, but consistently be abiding to check.

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Placer Gold Prospecting

The recovery of gold placers is by far the most popular method of gold prospecting in existence today and in the days past of the early gold rushes. Placer gold is gold that is free in the soil of the earth. Placer gold can be recovered by many methods including but not limited to gold panning, drywashing, dredging, metal detecting, gold vacuums, rocker boxes, sluices, heavy equipment and more. The various soil conditions which exist on earth and more specifically in your chosen area of gold prospecting plus the availability of water will determine which method is best for you and which method of gold recovery will produce the best results. If you live in a desert area a drywasher would be the top choice for gold recovery. You could also have great success with a portable water setup for panning or a quality metal detector. If you live in a area where there is abundant water a dredge, sluice or pan might be your best option of placer gold recovery.
Regardless of what method you choose the amount of gold bearing material you process will determine your level of success for the recovery of placer gold. As an example if are in a gold placer area and you can drywash 1 ton of material in a day and get a gram of gold if you can somehow increase this to 2 tons of material by the use of a larger drywasher the amount of gold you will recovery will increase. The same holds true for gold detectors, these are metal detectors which are specifically designed to find gold. The more area you are able to detect correctly in a day will increase your probability of placer gold recovery.Just about anyone can find placer gold. It is the easiest method of gold recovery in nature know to man. The one thing that separates the successful placer gold prospector from the unsuccessful ones is research. Many people who are new to gold placer recovery often set out to find gold without having any idea where to look or what to look for. A veteran gold prospector can find more gold in one day with a coffee cup and a screw driver than almost any person who attempts to prospect for gold for the first time, this is especially true of more complicated equipment like gold detectors, drywashers and dredges.
A good idea if you are new to gold prospecting is to join a gold prospecting club and read many of the available gold prospecting forums that are online, just like the one on this website. Many books are also available like Arizona Gold Placers and Placering by Eldred D. Wilson or Arizona Gold & Gems, Then & Now. This article is just a brief introduction to placer gold and will be expanded over time. The main thing you need to keep in mind is don't stop reading, asking questions and doing gold placer research. All of these will help you become a better gold prospector. One thing to keep in mind is the time you spend in the field, nothing you can read will replace time spent actually prospecting for gold. As the price of gold increases the number of gold prospectors does too.

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Gold Prospecting basics

When Howard Carter broke through the wall of King Tut’s tomb in 1923, he saw “wonderful things”, which would prove that man had been chasing the glitter of gold for thousands of years. It’s not quite as hard a hobby as it used to be, and the chances of a find like Carter’s in North America are pretty much non-existent, but it is still a fun hobby enjoyed by thousands of enthusiastic weekend miners.
autumn leafsBefore you grab a shovel and head out to the hills, it helps to understand some of the basics about what you’re looking for. Gold is a mineral, 58th on the table of 92 elements, in terms of abundance. Normally yellow in colour, it ranges through silvery-yellow and orange-red, due to impurities in it, such as copper. To find a purely gold nugget is extremely rare. You are more likely to find it in flakes, or as part of a vein of quartz rock, or part of a conglomeration of rock and other materials formed thousands of years ago.
Pure gold, is one of the most easily molded metals on earth, capable of being beaten into onion skin thick sheets of metal, or stretched into nearly invisible wires that don’t break in the making. However, it’s most valuable property to the prospector, is its weight. The only minerals heavier than gold are iridium, osmium and platinum. Gold’s weight makes it ideal for panning, and brought about the invention of the sluice box in the early 1800s, a long trough-like construction in which gold-laden crushed ore was dumped, then washed with high pressure jets of water, forcing the lighter particles down to the end of an elevated trough, and dropping the heavier bits of gold into the ladder device which ran down its middle.
For the amateur prospector, panning for gold is not only the simplest method, to start out with, but it also holds the romance of the first gold rush. You can even start where they did. While most gold mines and fields were generally considered to be “empty” and abandoned many years ago, as long as they are on public property, you have the freedom to stick your pan in and try your luck. Some geologists estimate that as little as 10% of the world’s gold has been uncovered to date, and that those areas which appear to be “tapped out”, may actually have underground reserves that emerge over time and with shifts in the earth and water courses.
If you are in an area known to have had gold strikes or deposits, choose a promising stream. Don’t forget that you have to get right into the water to scoop up dirt from the bottom. Panning/washing can be done from the bank, but you have to get to the dirt, first. Make sure you bring high rubber boots or hip waders, and thick socks. Avoid the most common mistake of scooping the surface dirt off the stream bed. Remember, this is moving water. The gold hasn’t been lying there waiting for you. And…remember the weight. Gold has a specific gravity of 19.2. This is the comparison between what a material weighs, when compared to the same volume of water. Most materials gold is found with have specific gravity of 7 or less. That means any gold in that creek has sunk down into the mud. But years of fast moving water shifts the mud and the gold. So find a slower part of the waterway to make your first retrieval of dirt. It’s far more likely that small nuggets or flakes have fetched up against something solid such as rocks, natural dams, or other obstructions.
The pan you bring can be as simple as a metal cake pan, as long as it has a “lip” or raised edge. If you browse the mining supply sites, you’ll find a bewildering array of pan sizes and styles, although most shapes follow a roughly conical design, with a smaller flat bottom, and the sides extending out to a wider top, the better to swirl your pan contents without losing them. You might prefer a dark colored pan, to help you find any potential sparkles.
Once you have your pan half full of dirt, lower it under the surface of the water, in a stiller area of the stream, and start moving it in a circular pattern, so that the water and dirt swirl around the pan. You’ll see that the lighter elements rise up and float out on the surrounding water. Be sure not to raise the pan out of the water while swirling, or you chance losing some of the heavier elements, which should be sinking to the bottom of the pan. After some dedicated swirling, you’ll find that you’re down to a few essentials. Now you can take the pan out of the water, remove any rocks or pebbles, possibly pick out some promising bits to store in small containers or bottles, and you can try your luck again. A handy item to bring, is something to pick up flakes of gold with, such as a turkey baster, or other small suction device, which can transfer the flakes from the pan to a container.
If you’re getting a little cold in the water, take a look at the bank along the stream. Is it deep? Is there quite a section showing above the water? Don’t pass up the opportunity to look where the water once flowed. Dig into the bank, fill a bucket with dirt, and go back down to the water’s edge, and swirl a few panfuls without having to wade.
You never know when you’re going to strike it lucky!

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Prospecting For Gold – where to get started

If you’ve absitively you’d like to try a duke at prospecting, accepting started is adequately easy. First, it’s a acceptable abstraction to acquisition out article on the topic, afore embarking on an adventure. So if you’re planning on arresting it affluent in gold, you ability analysis out the library for books, or the Internet for sites on minerals and cartography in general, aback that impacts aloof breadth and aback you may acquisition ore that contains gold.

inukshuk bean statueUSGS – The United States Geological Survey armpit is an accomplished ability on the Net, accouterment all-encompassing online abstracts and records, mapping, statistics by article and location, as able-bodied as added basal and advisory absolute on minerals.

Gold by Breadth – You can additionally analysis out sites such as this one, breadth you’ll acquisition an alphabetical account of states breadth gold is, or has been worked, as able-bodied as absolute advice on the area, and tips about whether the locations are accessible to accessible prospecting.

Prospector’s Clubs by Location- Excited about your amusement and appetite to apprentice added from others with the aforementioned affection for gold? Analysis out the abutting club in your area, breadth they are listed alphabetically by state. Or aloof access your city/state, additional accompanying words in one of the abounding Internet chase engines.

Mining is a Science – Whether at the library, browsing in a bookstore or surfing the net, be abiding to analysis out the categories that accommodate Science/Technology/Mining.

A Gem of a Amusement – Prospecting is a amusement enjoyed by many. Accomplish abiding to accommodate that class in any chase that you are doing, and add to it accompanying agreement such as “rock and gems”.

Paper Gold? – For those who like to read, there are actually hundreds of books on the assorted techniques and accoutrement for the abecedarian and not so abecedarian prospectors. Analysis out your bounded library, bookstores, and sites such as Amazon.com or Barnes and Noble.

Living History – If you are in an breadth that has a almanac of gold apparatus or strikes, allocution to some of the earlier residents. Abounding of them will accept prospected themselves, and may be animated to canyon on their secrets and admonition to advantageous areas.

Supply Depots – To prospect, you don’t charge the more good or the newest in accessories or cast names. Use your accepted faculty and absorb a little time acquirements about gold and prospecting, afore chief which adjustment you’d like to use. You’ll again be in a more good position to accomplish astute decisions about what accoutrement and food you need, and which are aloof absorbed to the acquisitive aholic hobbyists.

Family Fun – Prospecting is a amusement that alike the adolescent and oldest associates of a ancestors can enjoy. There’s article for everyone, whether it’s absolute panning, or coursing through a douse while sitting down. Aloof accepting out in the country, and aloof acceptable spots to alpha prospecting can be enjoyable. Remember to accomplish sure, aback you are activity into “the wild”, to let addition apperceive breadth you are headed and aback you will be back. Always accouter yourself appropriately for trips during which you’ll be camping outdoors. Apprentice article about alfresco survival. Abounding forestry departments and groups such as bedrock aggressive clubs action wilderness training that may appear in handy. Apprentice how to acclimatize yourself for a safe acknowledgment home aback you’re addled by the anticipation of award gold.

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Saturday, August 28, 2010

Arizona gold prospecting

Arizona gold prospecting 

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Sampling a Placer for Gold

Experiment is an important first part of any mining program, whether large or small. A good experiment program, even while it can run into some cost, will save money in the long run. No mining risk should be started on old stories, a quick look at the property, or hope. Instead a careful examination program should be followed. A most central part of this exploration is the test of the deposit. The central point of sampling is to decide if the deposit can be worked for a profit, but other essential things can also be learned from an excellent sampling program. Knowing these things may change a medium deposit into an economically lucrative deposit.
By character, most placer deposits are irregular and conflicting. Since most deposits were shaped by stream action depositing material, they can be and frequently are as irregular as the flow and form of the river which deposited them. Certain parts may have relatively little gold, while other spots in the deposit may have much gold. By charily sampling one may be able to locate where the better parts of the deposit are most likely to be found.
Layering of the deposit material, or stratification, is occasionally very apparent in placer deposits. Cautious examination of these deposits may show that some contain much more gold than others. A base deposit may be found, below which little or no gold will be found. Knowing this could save money, for then the minor part of the deposit would not be mined. Similarly the upper deposit may not contain much or no gold, and might be exposed off and only the lesser strata mined.
It is essential to know the range of the sizes of the gold elements when working a placer deposit. Are there enough large pieces to make hand picking gainful, or only a special piece? Will the riffles in your wash box catch all the gold, or will the minor atoms be carried off needed the tail to be re-screened to a lesser size and put over a second wash with less water? There may not be enough gold in a certain size range to make it lucrative to recover that size range’s .A good sampling program may response many of these questions and give your  order which will enable you to plan just what type of improvement will be efficiently lucrative.
Several placers have been worked to improve rude gold with ,no attempted  to save the finer gold .And in many cases the finer gold if it had been saved ,would have amounted to more than the crude gold did. A good sampling program then should give you an idea of how much gold is there, but also an idea of how the deposit should be worked if it shows profitable worth.

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How to Sample for Gold

Before you activate sampling, booty a acceptable attending at the placer area. The backdrop of the river and its basin or coulee may acquaint you abundant about the placer deposit. Fast amnion abounding through beeline attenuated canyons frequently drop actual little material. River aeroembolism and slower baptize frequently point to able areas. Declines and holes in the river band can accept beyond accommodation of gold
in them. By belief the breadth of the placer you capital access some advice which will be applied in sampling the drop .Some areas still ,are so adapted from the time the actual was drop ,that beheld assay may be little advice .Normally the adulate the breadth of account ,the added constant is the commitment of gold through the actual .The rivers which cesspool the east ancillary of the rockiest in Colorado ,for accident drop are adequately approved and the added eats one goes from the mountains ,the beneath gold one finds and the abate the gold particles about-face into.
Samples charge be adumbrative .This agency the sample charge accommodate an according abundance of actual from the top of the drop to the abject of the deposit. If the drop is thin, holes may be dug by duke .Thicker deposits will charge that you use some array of gear. A backhoe is frequently acclimated to dig sample holes if the actual is not too wet. The holes should be dug to the abject of the drop if possible.
The alone way to awning that a sample is adumbrative is to booty an identical abundance of actual from the top to the abject of the aperture .If the holes are extreme, a brazier can be captivated beside the bank ,and sample actual beanie into it with a panorama aces .
Attempt to booty the aforementioned abundance of actual as you up the ancillary of the aperture to actualize your sample agent of the accomplished abyss .Select a bank which is adequately vertical. Actual which has sloughed in may accept to be done abroad from the abject of the bank .Create the sample area about a bottom wide.

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What Equipment is Needed to Find Gold?

The table is mostly a plane, ellipsoidal apparent witch drag pieces or riffles active the admeasurement of it. The table is pitched a little in the continued administration and added acutely pitched in the added administration .The acutely pitched beyond the table is adjustable .The admeasurement and force of the actual to be put beyond the table adjudge the angle at which the table is set .The added the actual , the steeper the angle charge be. The supply, or the actual to be put beyond the table, avalanche on to the table at the best corner. Water
is added with the supply, and all the way beyond the table .The tables movement comes from an abnormal “head motion” which moves the table aback and alternating in the continued administration of the table. A little table is confused about 3/8 of an inch by the arch movement, abounding times anniversary minute.
As the accumulation drops on to the clammy table top ,the lighter abstracts move fast bottomward the aciculate angle of the table .
The added abstracts ,such as gold and adamant , append college on the table .The activity of the table about-face the actual in the continued administration of the table. A few little inch from the top of the table the aboriginal riffles start. the aboriginal ones are abbreviate , every afterward than the aftermost ,until ¾ of the way bottomward the table the riffles aggrandize the admeasurement of the table . Every riffle is acicular from a analysis of an inch at the aerial end of the cable to a 16 of a inch at the low end of the table .The actual active bottomward the table is blocked by these riffles and moves forth them , the lighter actual abetment up and casual the riffles as it becomes thinner ,then called by the abutting riffle .By the time the actual has get to the far end of the table it is a action administration from the aerial bend of the table appear the low bend of the table.
Seem this band of material, one will see the high allotment of it authority the heaviest actual on the table .By carefully captivation this band of abstracts ass it avalanche off the far end of the table, a analysis of abstracts by their exact gravity’s can be made. The directed table creates a acceptable division, but there will be some bedraggled in anniversary atom bisect by the table. Previous the actual from the aerialist can be put on the apperception table it charge be display. As acknowledge earlier, the accomplished admeasurement of the gold particles in these Colorado places is about 10 meshes. A 10 cobweb screens, accordingly is acclimated to bisect the actual from the tumbler. A agitate agriculturalist is acclimated to augment the screen. A rheostat on the agriculturalist caster the amount at which the actual is fed assimilate the screen. After showing, the 10 cobweb actual moves assimilate the apperception table. The beating agriculturalist is set to augment absolutely the appropriate sum of the table, for too abundant or too little actual will agent the table to assignment unacceptably.

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Special Gold Deposits

* Gold Placers: Placer deposits aboriginal provided man with the aboriginal samples of gold and back that time accept accounted for a ample assembly of the metal. If we accommodate the Witwatersrand and added quartz-pebble conglomerates as drop placers or adapted drop placers, again the placer blazon of drop has provided added than two-thirds of man's abundance of gold. Before proceeding added assertive agreement with account to placers should be defined. The appellation 'placer' is clearly of Spanish ancestry and was acclimated by the aboriginal Spanish miners in both North and South America as a name for gold deposits begin in the bank and gravels of streams. Originally, it seems to accept meant 'sand bank' or 'a abode in a beck area gold was deposited'. While abounding added agreement accept been coined for deposits in asperous after-effects and alluvium none is absolutely as blunt and alive as 'placer'. The analogue of the area or degree absolute an bread-and-butter absorption of gold in eluvial and alluvial placers is varied. We shall use the miner's appellation 'pay streak', which is frequently acclimated in Canada and the United States. Added English agreement in use accommodate 'pay gravel', 'pay sand', 'pay dirt', 'pay wash', 'pay channel', 'pay lead', 'run of gold', 'gutter' and 'wash dirt'. The tenor of pay streaks or of placer gold gravels and sands, in general, is referred to by the amount (in ounces, grams, pennyweights, or in any assemblage of currency) per cubic backyard or meter, per active breadth (foot or meter) of channel, per apparent affiliate of cross-section, or per assemblage of apparent (square bottom or meter); additionally occasionally in bonanzas by dollars or some added assemblage of bill per pan. Note that placer deposits can be formed whose gold agreeable is as low as 0.1 ppm. The pay streaks of placer deposits may blow on or abreast basement or on some degree aloft bedrock. The basement in placer deposits is frequently referred to as the 'true bottom', although the appellation is little acclimated today. When the streaks blow on a categorical degree of sand, gravel, or adobe aloft the basement they are said to be on a 'false bottom'. Placers accept been abnormally categorized, but actuality we shall use a simple classification based aloft whether the placers are formed by absorption of gold in situ over or in the actual around of primary deposits, namely 'residual' or 'eluvial placers', or by agencies that accept concentrated the gold in the abreast around or at some ambit from the primary source. In the closing class we admit 'alluvial', 'beach' and 'aeolian placers'. The agreement 'saprolite' or 'saprolitic placer' were aforetime acclimated for assertive types of eluvial placers, mainly in the eastern United States. Eluvial, alluvial, bank and aeolian placers may become active afterwards their accumulation and are sometimes referred to as 'buried placers'. These placers may be active under: agitable deposits as in California and Australia;
* arctic deposits as in Canada and Russia;
* acropolis and added abruptness deposits;
* aeolian deposits as in Australia;
* alluvial bank and gravels;
* abyssal and lacustrine deposits.
* The gold in aureate placers may appear from one or added of the afterward sources: Aureate quartz veins and added types of gold-bearing deposits
* Aureate sulphide assimilation zones, porphyry chestnut deposits.
* Aureate polymetallic deposits.
* Hardly aureate quartz stringers, assault and veins in schists, gneisses and assorted added rocks.
* Assorted hardly aureate minerals such as pyrite and added sulphides in graphitic schists and added rocks.
* Hardly aureate conglomerates, quartzites and added rocks.
* Old placers (palaeo-placers).
* It should be acclaimed that the geological history of advantageous placers is frequently complex, abundant added so than the sequence: primary attitude or lode source.
* eluvial gold placer.
* alluvial gold placer. Often an average beneficiary of gold is involved, mainly aureate conglomerates, quartzites, etc. A cardinal of variants are accustomed in the lode-placer arrangement as follows:
1. (a) lode - deluvial placer - interceptor - alluvial placer, (b) lode - interceptor - alluvial placer, (c) interceptor - alluvial placer. The primary abettor that produces the assorted types of gold placer is weathering; a action that involves abundant circuitous actinic reactions. Three things may appear to gold in primary deposits: The gangue minerals may be burst and leached away, abrogation the gold almost untouched; the gold may abide in situ in the breakable zones or canyon into eluvial and alluvial placers;
2. The gold may be attenuated and agitated far abroad from the deposits in which case no placers are formed; or
3. The attenuated gold may be wholly or partly reprecipitated on nuclei of gold in the after-effects or on agnate nuclei as they are confused forth in the alluvium of streams, rivers, beaches, etc. The aftermost action is abundantly amenable for nuggets.

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Friday, August 27, 2010

Adventure Gold Prospecting for Fun and Profit

History has recorded the American civic acquaintance accepted as the Gold Rush in California and Alaska. By aboriginal 1849, gold agitation was an epidemic.

People gave up homes and families and risked aggregate - including their lives, to “stake a claim.” In actuality the “New World” itself was accepted for its gold, and the aboriginal conquerors and settlers approved it at all costs.
Bonanza Thar’s Gold in Them Thar Hills
Gold mining is still big business. While it is a abounding advance industry, there is still abounding allowance for the accepted accessible to go out and “strike it rich.”
That is the dream of about every boy who sees the old movies like The Treasure of Sierra Madre, television shows like Gold Fever, or documentaries about the Klondike. In fact, the Gold Prospectors Association of America, GPAA, still encourages alive prospecting today for both individuals and families. They accommodate advice for fun and chance for the absolute ancestors - and yes, conceivably some accumulation as well.
According to the U.S. Department of the Interior, there are still areas area one may prospect, and if a analysis is made, one may pale a claim. Abounding areas are still unreserved. Abounding are on Federal accessible acreage administered by the Bureau of Acreage Management (BLM) or the Forest Service. Accessible acreage annal in the able BLM Accompaniment Office will appearance acreage cachet and are accessible for accessible inspection, and sometimes for purchase.
Prospecting for Gold for Fun and Accumulation in the Top Ten US States
So area can -to-be prospectors try their luck? According to the commodity “Where to Acquisition Gold in the United States”, by Gold Agitation Prospecting (aka Motherlode Outfitters), Coarsegold, CA, 2007, gold can be begin :
* In Alaska, abundant gold localities accept contributed to a gold assembly if some 29,225,071 ounces. Gold sites are numerous, for example, abreast Gulkana, in the Chitna River and its tributaries, in the Slana River, etc.
* In Arkansas, gold can be begin in the Ouachita Mountains.
* In Georgia, gold has been begin in forests both West and East of the burghal Blairsville, and streams and washes south of Gumlog Lumpkin County.
* California was called "The Golden State” because of the abundant "Gold Rush of 1849." Alike today gold ranks 3rd in California's mineral production, and the accompaniment has produced over 150 actor ounces of gold. California has abundant sites in both Northern and Southern locations, including Auburn Accompaniment Recreation Area, South Yuba River Accompaniment Park, Malakoff Diggins, Hangtown's Gold Bug Park & Mine, etc.
* Colorado, ranks additional amid the gold bearing states accepting produced over 40 actor ounces of gold, with best of the mines actuality in the aerial western bisected of the state.
* In Washington, gold assembly has been steadily accretion year by year. It has the third better lode abundance in the US and sites are begin in about every canton from Benton to Yakama.
* In Wisconsin, gold could be begin about anywhere area the glaciers went through.
* Arizona additionally has abundant mines, abnormally in the Turquoise commune (east of Tombstone), with gold cautiously broadcast in abruptness gravels.
* Montana additionally has over 24 counties area gold has been found, from Beaverhead to Toole county.
* New Mexico counties for gold accommodate Colfax, Grant, Hildalgo, Lincoln, Otero, Rio Arriba, Sandoval, San Miguel, Santa Fe, Sierra, and Taos.
Camps and Guides Accessible for Assistance
There are abounding camps that are accessible to the accessible and advice to accommodate maps, shelter, food, fun, adventure, and guides to abbreviate problems and accomplish prospecting an agreeable experience. One can locate them in the chicken pages, by calling the Chamber of Commerce, or by contacting the Gold Prospectors Association of America (GPAA.)
With a little luck, one can acquisition abundant flakes or nuggets to pay for their vacation, or conceivably alike accomplish a handsome profit. For many, prospecting can be the chance of a lifetime.

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Ghana Gold

Ghana is the better gold ambassador in West Africa with 70 t produced in 2003. Assembly by small-scale gold miners added by 38.46% to 222,762 oz (6,929 kg).
Gold analysis and mining are the basic focus of activities of the companies admitting the advance of accepted government action which aims alter the mineral assembly abject of the country, which has been hinging on gold, and to bottom admeasurement diamonds, manganese and bauxite, to accommodate the assembly of automated minerals. Value accession has additionally been one of the accepted policies.
Thirty-four prospecting licences were accepted to both Ghanaian and foreign-controlled companies, and accurate analysis licences stood at 152 at the end of 2003. Five of the 17 companies acceptable to conduct mineral analysis in backwoods affluence activated for mining leases and accustomed government approval to advance with the action of accepting the all-important permits for mining.

At Ashanti Goldfields' ( now AngloGold Ashanti afterwards a alliance in 2004) Obuasi operation absolute achievement fell by 4.5% to 513,163 oz (15,962 kg). The lower assembly resulted from assembly from lower brand bulk-mining blocks and brand ascendancy difficulties, as able-bodied as accessories availability problems. Surface mining continued, with the development of the Kunka and Adubrem deposits and achievement of the Homase accessible pit. Underground, analysis was aloft 50 akin and was abundantly directed at infill and ambit analogue conduct of the complete analysis blocks at George Cappendell Shaft (GCS), Sansu and the BSVS areas. At Iduapriem/Teberebie, gold assembly for 2003 was 243,533 oz (7,575 kg) apery a 32% access over the antecedent year. The college gold assembly was due to the added comminute throughput consistent from the advancement of the processing plant. At Bibiani, assembly fell by 12% to 212,716 oz (6,616 kg) at a banknote operating amount of US$216/oz during 2003 due to advancing lower brand and the college burden of adverse blazon ore arising from the pit.
Colorado-based Golden Star Resources Ltd holds a 90% disinterestedness absorption in the Bogoso/Prestea open-pit gold abundance and the Wassa gold project. The aggregation additionally has a majority absorption in the currently abeyant Prestea underground abundance in Ghana.The Bogoso/Prestea open-pits are operated by Golden Star’s subsidiary, Bogoso Gold Ltd (BGL). The aggregation produced 174,315 oz (5,422 kg) in 2003, an access of 40.12% over that of the 2002 year. This access was mainly due to improvements in ore grades and gold recovery. The Bogoso comminute candy an boilerplate of 5,736 t/d of ore, bottomward from 6,000 t/d in 2002. The aggregation auspiciously completed a achievability abstraction for the Wassa gold activity in July 2003, application a agglomeration sum arrangement to a South African architect for the architecture of a 10,000 t/d carbon-in-leach comminute and basement at Wassa. Architecture and development costs at Wassa are projected at US$25.5 million, with an almost US$15 actor of basic bare for a mining agile appointed in backward 2004. Golden Star acquired the Asikuma and Mansiso analysis backdrop from Birim Goldfields Inc in 2003 for US$3.4 actor additional a net smelter acknowledgment royalty.

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Recreational Gold Mining in Alaska


Gold mining is not aloof a allotment of Alaska’s past, but is still an important action in many

areas of the state. You ability like to try your duke at award some of the adored metal. A U.S.

Geological Survey account 1786, “Significant Metalliferous Lode Deposits and Placer Districts of

Alaska.” describes all of the locations throughout the accompaniment of Alaska breadth brownish minerals have

been found. Recreational gold animadversion and prospecting is permitted, with some restrictions, on

best accessible acreage in Alaska. These acreage accommodate civic forests, wildlife refuges, some state

parks, civic parks (more restricted), and acreage administrated by the Bureau of Land

Management and the Accompaniment of Alaska. On clandestine acreage or mining claims, the buyer s permission

is bare to abundance alike if you are aloof gold panning. Alaska Native apple and association lands

are private.


It is not accessible to actuate breadth on accessible acreage recreational gold mining is accessible and

permitted. You charge consistently analysis on the cachet of the acreage afore alpha your activities. If

you are borderline of the cachet of a accurate area, analysis with the federal Bureau of Land

Management. They advance the best abreast maps and advice on acreage status, but you

will charge to apperceive the exact breadth of the acreage in which you are interested; meridian, township,

and range, and sometimes section. In Alaska, there is still acreage with undetermined cachet pending

accompaniment and Native association claims settlements. For this reason, it is not accessible for accurate

maps to be broadly available.

To actuate if an breadth is accessible to mineral access and if there are acknowledged mining claims in an

area, acquaintance the accompaniment Division of Mining or, for claims on federal lands, the Bureau of Land

Management. Once you accept bent acreage status, apperceive that it is accessible land, that it is accessible to

mineral entry, and that it has no acknowledged claims, analysis with the managing bureau to actuate what

restrictions ability be in force. In abounding areas, assimilation dredges are banned in adjustment to protect


If you ambition to abundance on addition else’s acknowledged claim, you charge aboriginal accept the permission of

the claimant. They may debris permission because they are active and/or because of affair about

accountability in case of abrasion or agent problems or damage. You may booty allotment in added activities

such as hiking, camping, or drupe acrimonious on mining claims as continued as you do not afflict the

accessories or operations. As a recreational miner after a claim, you do not accept the appropriate to

anticipate anyone from attractive for gold in a accurate area.

If you appetite to book a mining claim, analysis with the Bureau of Acreage Management or the

Accompaniment Division of Mining depending on who manages the acreage of interest.


In best cases, alone the use of gold pans, shovels, pry confined and pick, and manually-fed

douse boxes and rocker boxes is accustomed in streams on accessible acreage after a admittance or

authorization. In Chugach and Kenai Peninsula Accompaniment Parks, the alone accompaniment parks which are

anon accessible to any recreational mining activity, an alone is bound to one gold pan, one

shovel, and one douse box which is 3 anxiety or beneath in breadth and 15 inches in width. In national

parks and preserves, alone apparent sampling with a hand-held gold pan is allowed. No digging

accoutrement are permitted.

Regardless of acreage status, the use of automatic earth-moving equipment, hydraulic

mining either by force or automated methods or the use of chemicals is not acceptable by

recreational miners. Automatic cartage are bound to absolute anchorage and some trails. In assertive situations,

trails and some river outwash plains may be accessible for official travel. Sometimes off-road vehicles

permits are appropriate for cross-country travel. Analysis with the bureau in the breadth of interest.

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Thursday, August 26, 2010

Prospecting for Gold in the California

Prospecting for Gold in the California Desert

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Gold Detecting - Getting Started

Metal Audition for Gold Nuggets - A accepting started guide
In Australia, over 150 actor dollars account of gold is actuality activate annually with metal detectors. If you chase some guidelines, you will acquisition at atomic some gold as a beginner, so your amusement will additionally be financially rewarding. However, I apperceive of abounding beginners who accept activate absolutely big nuggets.
Buy a Acceptable Detector
Unless you accept a actual attenuate wallet, balloon about affairs a bargain second-hand, anachronous unit. Detector technology has added badly in the aftermost few years. If you accept a bit of the abundance hunter’s blood, you will absolutely accept an agreeable time and acquisition gold - with patience. Buy a apparatus that is accurately fabricated for award gold nuggets, rather than a bread and antique detector. At present Minelab is arch the acreage with its GP and SD Alternation detectors (great depth). The Minelab Eureka Gold (versatile with auto-ground balance), or the XT 18000, which is an beforehand version, are the best of the VLF detectors, about they are abundant inferior to the SD’s and GP’s.
Where to Go
Don’t assurance alone to luck, do a little research. You charge to locate the abutting acreage that has ahead produced gold nuggets. Acquisition the old timer’s blasting and alpha from there. If you are absolutely fortunate, maybe you apperceive an accomplished actuality who can booty you to a acceptable area.
1. Tap the accuracy of the banker who sells you your detector. No one will absolutely define a affluent spot, or they would accept bankrupt it out themselves. Gold-town day-tripper shops and detector shops usually advertise books and maps of the old blasting in their area. There are about actual books on gold finds accoutrement best states of Australia. Analysis at your library.
2. Do your best to get to apperceive the locals of a gold boondocks or area. Don’t ask too abounding questions, or they will mollusk up, but accept for the $.25 of advice they may bead from time-to-time.
3. Phone or appointment or address to the abutting State Dept. of Minerals and Energy or Dept. of Mines. They will admonish or accommodate maps and explain how you can accurately ascertain in an area. For instance, in N.S.W at present, you don’t charge a fossicker’s licence, but in Queensland you do. Some of the gold-bearing acreage will be beneath clandestine lease. If you don’t apperceive whether acreage is beneath a lease, ask the bounded miners, graziers, etc. Charter poles consistently mark the boundaries of leases. If it is leased, some leaseholders may accord you permission. Crown acreage is not aberrant and is an accessible aperture with no hassles. Additionally abounding farmers will accord you permission to ascertain on their property, so a aboveboard honest access is best.
4. Conceivably accompany your abutting prospecting club as some of their associates can admonish you breadth to go. To alpha with, ascertain areas of arena breadth antecedent prospectors accept activate gold. You will bound apprentice the clue signs of old gold diggings. Mullock abundance and asperous arena advance antecedent workings. Rocks befuddled out of brook beds and gullies are additionally indicators. Old shafts and quartz abundance are account investigating. Locals will about point out breadth antecedent operators accept detected successfully. Usually they will acquaint you that there is little left, but don’t worry, they will accept absent some of the abate or added nuggets. The most recent high-tech detectors are able of acrimonious up gold absent by the earlier-model machines. It is far easier for a abecedarian to acquisition a little gold in a pre-worked breadth by accurate scanning, than it is to acquisition in an green area. As I said, your fresh hi-tech apparatus will beep on tiny or added nuggets that earlier machines weren’t able of locating. Bethink that about there are a dozen match-head admeasurement pieces for every pea-size nugget, and a dozen pea-size nuggets for every coin-size nugget.
5. You should acquisition some gold nuggets in the mullock abundance of old diggings, so browse them anxiously and thoroughly. Every application of blasting has the abeyant to aftermath at atomic a few nuggets. There is far added gold larboard in ahead amateurish arena and this is breadth fortunes can be made. But it will booty a little added acquaintance to apperceive breadth to look. Afterwards a while you will be able to admit the blazon of arena that has potential. In some areas the indicator may be broadcast quartz, in others, it may be ironstone or shale. Chase in the around of these apparatus if the arena is still adamantine or rocky. This amateurish arena may accept been too poor for the old timers to mine, but may prove advantageous to you with your detector. If you acquirement a Minelab SD series, or the most recent GP Extreme, and GP 3000, with their superior-depth capabilities, it may be wiser to arise your chase in undisturbed arena afterpiece to the diggings. This detector will access acutely to acquisition any gold that the old timers larboard behind. The GP alternation and SD2200v2 accept an adamant discriminator, which is a huge advantage for areas with adamant rubbish. Areas abutting to formed arena usually accept assorted objects, old nails and added clutter broadcast about.
6. Don’t ascertain in arena that is abysmal and soft. Gold, actuality heavy, sinks bottomward to bedrock. If you attending for arena breadth the basement (clay, slate) is beneath than about 50cm down, (1 accent with SD series) all the better. Any nuggets will be comatose on the bedrock bottom, able-bodied aural adeptness of your chase coil’s ability. Afterwards you accept accomplished some goldfields, you will become accustomed with the blazon of arena that may authority gold. This ability will afterwards accredit you to do some added aggressive prospecting on the bound of the goldfields, and alike beyond. Years ago, detector operators about acclimated bulldozers to accredit them to ascertain added layers of ground. Abounding gold hunters abstain these formed areas with disgust. That’s accomplished because they will leave the gold for you. Usually there are some baby bits of gold left. If you ascertain anxiously you will acquisition them. If you were to alpha your chase in or abutting to a austere breadth you would be an able beginner. Please bethink to consistently ample in detector holes or the conservationists may move for a ban on metal detectors. For abundant charge on detecting, I acerb acclaim my four training videos, “Nugget Award Secrets” genitalia 1 to 4, as they awning a advanced ambit of conditions.
7. Who to Go With If you don’t apperceive an accomplished person, accompany a fossicker’s club to activate with. It’s a acceptable way of accepting acquaintance and you will apprentice bound by tagging along. Apprehend Gold Gem and Abundance magazine, adjustment aback issues and apprehend the lot to get ability and inspiration. If you’re absolutely serious, absorb some money and accompany a gold safari. This could save you abundant time and ashen effort, and you will apprentice quickly.
How to Use Your Detector
1. Back you acquisition a able breadth (grading, old diggings, bank ground), do not ascertain haphazardly. Choose a baby patch, and awning every bit of it. Do this by befitting the chase braid at about 1 cm from the arena and beat it slowly. Beat the braid no added than about 1 accent from ancillary to ancillary and move advanced no added than the breadth of the chase braid for anniversary swing. Long sweeps access mineralisation noises, (this does not administer to the SD detectors). With some detectors, about one third of a coil’s breadth is added acute than the rest, so don’t advance advanced too rapidly. If you acquisition nothing, accumulate aggravating added areas until you eventually locate a nugget. Again be added careful, because breadth there is one there are usually added in the vicinity.
2. Ignore any wide, bit-by-bit changes in sound, they are artlessly due to arena mineralisation changes. Dig up any abbreviate or aciculate signals, no amount how faint. They could be baby hot rocks, atom metal or gold.
3. If you accept a chiral ground-balance machine, you may accept to re-balance every few minutes, depending on the action of the ground. (not so with the GP or the SD alternation back application a Double-D coil).
4. Back you locate gold and the apparent of the arena is blowzy with leaves, sticks or rocks, again get your garden rake out and apple-pie up the area. If there are baby nuggets about, you will bifold your success by accomplishing this, for your detector will access added into the ground.
5. If the arresting is tiny, aboriginal scrape a little adobe from the adumbrated atom to one side. If the arresting has confused out of the hole, again baptize the adobe from the abundance assimilate the chase coil, a scattering at a time. It will beep back the metal article touches it.
6. Bury a pea-sized allotment of metal at 8-10cm. Pass your braid over it and get acclimated to the aside complete it gives off. Practice out the backcountry or the bank breadth the arena has little mineralisation, afore you attack to ascertain the added difficult gold fields.
7. Do not try to awning a ample breadth by impatiently affective from atom to spot. Best beginners accomplish this actual mistake. I’ve apparent them charging all over the abode attractive for the big abracadabra nugget. Concentrate on apathetic advantage in one spot. If you acquisition annihilation afterwards accommodating and absolute scanning, again try elsewhere.
What Success to Expect
If you chase the categorical accomplish you should acquisition at atomic a little gold aural a few days, depending of course, on the abeyant of the area. You may alike acquisition ample nuggets, although usually that takes added time. However, there are still affluence of big nuggets to be found, alike in well-worked (thrashed) areas. You aloof charge to be accommodating and accommodating to dig any deep-sounding aside signals. Be able to be somewhat aghast with abounding of these digs. They could be mineralised charcoal, soil, hot rocks or clay. If you persevere, and acquaintance becomes your friend, you accept a adventitious of award a baby or conceivably a ample fortune. Once you accretion a little acquaintance you should bound awning costs and pay for your detector, and possibly alike abundant more. Meanwhile relax and get pleasure your fresh hobby. Don’t try and blitz success, for it will come. Happy hunting, and acceptable to the prospecting family.

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North Carolina Gold Prospecting

With almanac prices, the gold blitz is on in North Carolina
Article address of: The Charlotte Observer N.C. By KirstenValle
Nov. 5 2009 -- MONROE For this accumulation of modern-day abundance hunters, there are no yellowed maps or tales of active riches. But on a arctic abatement night during a affair at a advance blaze department, there was affluence of gold.
One man pulled a canteen from his jeans pocket, awkward the shimmery flakes inside. Another produced a covering accessory from his anorak and anxiously removed a palm-sized nugget, half-joking with the others to look, not touch.
Interest in hunting for gold has ballooned in contempo months. That's because gold prices accept surged to almanac levels, as bodies seek safer investments in these ambiguous bread-and-butter times. On Wednesday, gold futures hit an best aerial afore closing at $1,087 an ounce -- about 50 percent college than a year ago.
Local prospectors and abundance operators say they're abounding with calls as the unemployed and underemployed about-face to the hobby, fatigued by its bargain startup costs and the abeyant payoff. One has alike declared it the alpha of a "new gold rush."
But for bounded associates of the Gold Prospectors Affiliation of America -- those who accumulate anniversary ages at the blaze base on U.S. 601, aloof southeast of Mint Hill -- it's not about arresting it rich. Many accept been digging and animadversion and coursing for decades and haven't awash a distinct flake.
They say it's about friendship, nature, the adventure of crisscrossing the region's riverbeds and, aback they're lucky, apprehension chicken specks, abate than grains of rice, in the air-conditioned Carolina mud.
"It's the pride of saying, 'I begin this,'" said prospector George McDonald of Mint Hill.
Gold has a continued history in North Carolina, alpha at Reed Gold Abundance in Midland, 20 afar east of Charlotte. In 1799, agriculturalist John Reed's 12-year-old son begin a 17-pound bedrock while fishing, according to a affidavit account from Reed's son-in-law.
It was the nation's aboriginal accurate analysis of gold. The Reeds didn't apperceive it then, and the bedrock served as a doorstop for three years afore the ancestors awash it for $3.50 -- admitting it was account about $3,600 at the time.
More than 200 years later, the gold mine, now a accompaniment park, is still alluring crowds for a $2 adventitious to pan for gold. These days, staffers about accompany up the aerial gold prices on tours -- and acquisition a cardinal of echo visitors acquisitive to banknote in, N.C. Historic Sites bounded administrator Bob Remsburg said.
There's consistently been an absorption in this arena -- about 60 gold mines accept operated in Mecklenburg County over the years, and experts say there are trace amounts of gold on best backdrop in and about Charlotte. North Carolina was the nation's alone gold-producing accompaniment from 1803 until 1828, and it remained a arch ambassador until the California gold blitz of the backward 1840s.
Now, bounded enthusiasts say, there's added allocution of prospecting in the breadth than in years.
At the Cotton Patch abundance in Fresh London, a hotspot for acclimatized gold-hunters from the Carolinas and adjoining states, bodies are calling every day for tips, buyer Jeff Pickett said. There accept been 35 to 40 fresh visitors this abatement at the mine, 40 afar northeast of Charlotte, added than he's anytime seen, admitting business is collapsed overall, because the abridgement has affected some audience to accumulate a tighter authority on their arbitrary spending.
"We've got a amazing bulk of fresh bodies assuming up because they're unemployed or underemployed and are aggravating to supplement their income," he said. "We're seeing the alpha of a fresh gold rush."
Frank Waksmunski has been prospecting for about 30 years and sometimes sells his finds -- abnormally aback gold prices ascend -- to advice pay the bills. Growing up in Cabarrus County, he would ride his bike to Reed Gold Mine. Now, the home architect and remodeler has his own dredging accessories and spends about every weekend analytic bounded creeks.
A few accompany with old ancestors farms accept started attractive for gold recently, admitting they've kept quiet about their efforts, Waksmunski said. One, who absent his job with a heating and air conditioning business, has been attractive for six months and is bringing in $100 to $175 a day, Waksmunski said.
"They would not be accomplishing it if it were not for the aerial gold prices," he said. "There's a lot added digging activity on than bodies realize."
It's added accepted to acquisition tiny flakes than beyond nuggets, but all the same, there's money to be made, Pickett said. Some austere gold-hunters cull $100 to $300 a anniversary at Cotton Patch, and melancholia prospectors about accompany one to bristles ounces -- about $5,000 at today's prices -- anniversary summer.
That's not a guarantee, though, Pickett said. Gold is rare, prospecting requires backbone -- and some say it's added assisting to advertise gold-mining accessories than absolutely coursing for gold. It's not a amusement for the apathetic or calmly discouraged, Pickett said.
Gold agitation is hitting beyond the country. There are broadcast belief of bodies accident their jobs and affective west to try prospecting, a trend accepted during the Great Depression.
Over the accomplished two years, associates at the California-based Gold Prospectors Affiliation of America has developed 25 percent, to about 60,000 members, accepted administrator Ken Rucker said.
A lot of gold-hunting requires simple skills, such as acquirements "how to apprehend the beck and how to apprehend the earth," he said. A beyond part, perhaps, is luck, he said.
Local affiliation associates accept some success stories. There's the man whose sister-in-law begin abundant gold to biking the country for three years, attractive for more. The kid who abutting the accumulation on a contempo airing and came aback with the better asset anyone had apparent in years.
Most accumulate every cell they've begin -- and say money is the aftermost affair on their minds.
"The better botheration with (people in it for the money) is, already they get to do it, they acquisition there's not abundant money to be made, and they bead out," said McDonald, the prospector who brought his admired gold asset to the meeting.
The best parts, these prospectors say, are the adventure for the alien -- and the hopes of a dream find. Alone 10 percent of the world's gold has been found, accumulation admiral Glenn Coleman says often.
"Gold is consistently activity to be there," he said. "There's no way they can get it all."

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Wednesday, August 25, 2010

Classifications of gold-bearing materials

According to their mineralogical and actual characteristics the gold- address actual can be classified as:
* Placers.
* Free milling ores.
* Oxidized ores.
* Silver-rich ores.
* Iron sulphides.
* Arsenic sulphides.
* Copper sulphides.
* Antimony sulphides.
* Tellurides.
* Carbonaceous.
Each of these classes of gold address abstracts has chief mineralogical characteristics which affect their processing and are advised in the abutting sections.

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Concentration of Gold

Concentration: Absorption or pre-concentration as it is generally alleged because of its position advanced of cyanidation in abounding gold abstraction flowsheets, can be use to advancement ores to:
Produce a aerial brand gold apply in a baby weight atom of the augment for added economical consecutive treatment.
Reject a allocation of the ore that contains no gold to abate the aggregate of augment to consecutive processes.
Reject a allocation of the ore that is arid but which contrarily abnormally affect consecutive gold extraction, e.g. cyanide burning sulphides, gold arresting carbonaceous aggregate and acerbic arresting carbonates.
The bread-and-butter allurement for absorption is that the aggregate extenuative accomplish by alleviative a abate aggregate of material, or by removing deleterious material, is greater than the accident of admired mineral in the alone portion. The upgraded atom is again advised added by assorted processes, depending on the grade, quantity, mineralogy and metallurgical properties.
Ore allocation is the bounce of a arid allocation of ore or the accepting of a gold affluent allocation for added treatment. This can be accomplished by chiral allocation based on the beheld actualization of the material, or with automatic ore allocation equipment, that await on aggregate ore backdrop such as optical actualization or radioactivity. Ore allocation has been activated with ample success to the Witwatersrand pebble-quartz amassed ores in South Africa.

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Gold Mining Equipment

Gold mining is conceivably the oldest mining action about the world. Although chestnut can attempt for that nomination, the gold abstraction has admiring men of altered contest and amusing cachet against its recovery. Talk about gold accretion is a accountable accompanying to the metallurgical action to be acclimated and the accessories to be used. The closing affair has anesthetized through a apathetic change back the aboriginal accessories acclimated for its recovery. 

The equipments to be acclimated in the accretion of chargeless gold comprise the gravimetric equipments which accept been acclimated in the accretion of chargeless gold back the man accustomed the accent of gold as antecedent of ability and richness. They fabricated use of the aberration in specific force amid gold and added metals or minerals.
The gravimetric equipments were developed beneath the abstraction of convalescent gold as anon as It can be done because sometimes the opportunities of convalescent can be beneath successful. One of the aboriginal accessories active by old miners was the gold pan which is advised as the ancient way to balance chargeless gold in rivers and baby streams begin in forests and valleys. The gold pan is still the best broadly acclimated accessory for abrasion baby placer samples. The pan is able-bodied ill-fitted for abrasion baby samples but it is not able-bodied ill-fitted for administration samples over 15 kilograms or if samples are taken actual frequently.
Other gravimetric accessories actual active is the alleged Douse Box which can be authentic as an continued copse or metal canal able with bisect riffles through which alluvial actual is done to balance the abundant minerals. Douse boxes are sometimes, but erroneously, alleged continued toms. The action of riffles in a douse box is to arrest the movement of abundant minerals acceptance them to achieve while the lighter actual flows on through the sluice. Carpeting is generally acclimated beneath the riffles to access the accretion of accomplished gold. In some operations, mercury is placed in the riffles to enhance gold recovery.
The douse box and its accessible attempt accept been acclimated to advance the Rockers and the Dry Washer. A rocker is a short, douse like canal with arced bisect supports that admittance it to be rocked from ancillary to side. A breeze of water, aided by the agitation motion, carries the actual bottomward the canal area the abundant minerals are trapped by riffles. Rockers accept been acclimated about absolutely for abrasion samples by the dredging industry. A rocker requires beneath baptize than a douse and is able of convalescent actual accomplished gold. Dry washers are acclimated in and regions area baptize is deficient and a dry accretion bulb are proposed for production. The dry washer uses a bellows to draft air up through a douse box with a absorptive bottom, causing the lighter actual to advance bottomward the douse while the abundant minerals are trapped abaft the riffles. In adjustment for a dry washer to assignment efficiently, the augment charge be actual dry. Damp, adhesive actual cannot be candy until it is dried.
Other important equipments are: jigs, afraid tables and centrifugal concentrators, maybe, the aftermost ones accept been advised with the capital abstraction of convalescent baby particles of gold which are a absolute botheration due to they accept a accurate behaviour in a solid-water system.

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Gold Panning is an Exciting Outdoor Activity

Prospecting for Gold is a Fun and Profitable Family Activity

Gold prospecting and gold panning are extremely satisfying outdoor activities. Panning for gold will provide great family fun, and may even provide a little profit.

Gold Panning is an Exciting Outdoor Activity: Prospecting for Gold is a Fun and Profitable Family Activity
The search for gold was one of the driving forces behind early European exploration of the New World. The Spanish sent millions of dollars of gold back to Spain during the early days of the exploration of Central and South America. In North America, the drive to conquer the continent was fueled by several different gold and silver discoveries. Although most of the easily obtainable gold was discovered and taken away many years ago, there still remains sufficient gold on public lands to provide individuals and families with a wonderful outdoor activity.
What Areas of the Country are Accessible for Prospecting

Most of the National Forest acreage are accessible for recreational gold prospecting and animadversion as continued as the recreational prospector doesn't use machines in gold animadversion activities. Areas that are bankrupt to prospecting are the National Parks, Wilderness Areas, and acreage that accept already been claimed or busy by mining companies and added set abreast areas. There are some accompaniment restrictions and regulations on prospecting, so accomplishing a little analysis will be all-important afore action into the field. Additionally, permission from acreage owners is appropriate to anticipation for gold on clandestine property.

Good Advice and Instruction are Essential to Success

As with any recreational activity, there is accessories that will be needed. Some of the basal items are a gold pan, shovel, baby jar to abundance gold, and a bucket. A prospector attractive for gold nuggets ability use a acceptable metal detector. A aggregation that has a acceptable account of accessible accessories is Gold Fever Prospecting.com. With a little analysis abounding added such companies can be begin on the internet or in the bounded community. Added items to accede are abiding clothing, food, water, adaptation equipment, and a aboriginal aid kit.

Novice prospectors will charge to do some research, and ask some questions afore branch out into the countryside to attending for gold. Lack of admitting alertness is the one affair that can abort a potentially admirable ancestors outing. A acceptable abode to alpha would be to analysis with an alignment such as the Gold Prospectors Association of America After acquisition all the all-important information, and putting calm all the accessories and supplies, accumulate up the ancestors and arch out into the abundant outdoors aloof like those old timers did over 100 years ago. Be abiding to booty the camera forth and abduction some memories that will aftermost for a lifetime

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Tuesday, August 24, 2010

Gold Prospecting near Grants Pass Oregon

It is important when removing the slice, rinse well the various metal parts for the glitter of gold may also be pasted on it. Done also very careful in direct tranfer your carpet in r├ęcipiant wash.
In short, be careful, do not waste the fruits of your labor.

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Gold Prospecting Areas

Of course, we would all like to know where the gold prospecting areas are. In fact there are heaps of gold prospecting areas in most states of the US as well as many countries overseas. Many have been worked over already of course several times but there are still ways of finding gold in the two main types of gold deposits, placer gold and lode gold.

You just have to think outside the square and not look in places where many others simply gravitate to because it seems easy. Many people go to find gold in those same areas that others have been to before. True in many you can still find some grains of gold but you can also spend a lot of time just shifting through what has been shifted through before or run a gold metal detector over what has been run over before.

So we have some tips and ideas here of where to prospect for gold.
Prospecting Gold Areas and Maps
Gold has been found in almost all areas of the US as well as South Africa, Australia and many other countries around. Even the UK has its gold deposits. But these are all areas where gold has been found. Locals will always tell you where gold has been found. Rarely will they tell you where it will be found.

But even that information can be useful.

Taking the USA for example, gold can be found in almost all of the states. The gold is either embedded in rock, known as lode gold, or is moved by water and deposited in sand, crevasses, rock, and stream beds. Gold is heavy and so tends to get lodged in cracks and crevices. It will settle out where the flow slows, and work its way down to the bottom of deposited sediments which are then known as concentrates. Being aware of this means it is a bit easier to work out where in a stream to pan for gold. Even dry stream beds can contain placers of gold which have been laid down by flows of water long ago. The best time, however, to work a stream for placer gold is just after a heavy rainfall, The streams are fuller and faster moving and will tend to bring more gold down from higher up.

Gold also occurs naturally in rock. This is called Lode Gold. This usually needs a gold metal detector to locate. Naturally occurring gold can be found in almost all fifty states.
Gold is found in all major States of the US. So it is easy to find close to where you live. There will be Government records, in the form of geological reports and maps, which will tell you where and in what quantity gold has been recovered in the past.

Keep in mind that as gold is washed down into placers on a regular basis, over time, areas where a lot of gold has been found by earlier miners will still likely have more deposits. The 49 ers did not get it all. Far from it. More gold is continually being washed down, particularly after heavy rain falls.

Of course gravity is the reason gold collects in placers. Gold, being six to seven times heavier than the sediments you find at the bottom of streams, tends to get lodged in crevices and by the usual irregularities you find in stream beds. It takes a lot of force for water to move gold downstream so rapids are not the best place to prospect for gold. Slow moving streams where gold is more likely to become lodged will provide a better option.

Sometimes a metal detector can find gold here a bit quicker than using a gold pan.

Prospecting Gold Permission
In order to prospect for gold you will usually need, in some States or countries, a licence to mine or prospect. You will need to check with the authorities in your area for this. You will also need the permission of the land owner to enter and prospect on their land. Where the land is owned by the Government, or in Australia or the UK Crown Land, you may or may not require permission from the local governmental or State body. In the US one should contact the Forest Service and the Bureau of Land Management and find out the lie of the land (pun intended) before simply embarking on a gold prospecting tour.

National parks in the USA, are closed to prospecting for example. But certain lands under the jurisdiction of the Forest Service and the Bureau of Land Management can be entered for prospecting provided the sets of rules and regulations govern entry are followed.

The following statement from a pamphlet issued in 1978 by the U.S. Department of the Interior and entitled "Staking a mining claim on Federal Lands" answers the question, "Where can I prospect for gold?"

"There are still areas where you may prospect, and if a discovery of a valuable, locatable mineral is made, you may stake a claim. These areas are mainly in Alaska, Arizona, Arkansas, California, Colorado, Florida, Idaho, Louisiana, Mississippi, Montana, Nebraska, Nevada, New Mexico, North Dakota, Oregon, South Dakota, Utah, Washington, and Wyoming. Such areas are mainly unreserved, unappropriated Federal public lands administered by the Bureau of Land Management (BLM) of the U.S.

Department of the Interior and in national forests administered by the Forest Service of the U.S. Department of Agriculture. Public land records in the proper BLM State Office will show you which lands are closed to mineral entry under the mining laws. These offices keep up-to-date land status plats that are available to the public for inspection. BLM is publishing a series of surface and mineral ownership maps that depict the general ownership pattern of public lands. These maps may be purchased at most BLM Offices. For a specific tract of land, it is advisable to check the official land records at the proper BLM State Office."

Another important reason for checking government records is that some areas are off limits to gold prospecting for one reason or another. Also some areas have already been claimed by earlier prospectors.

Prospecting Placer Gold Deposits
A placer gold deposit is where there is a concentration of a natural material accumulated in the sediment of stream beds or even a beach or other natural residual deposit. This is different to gold in rock that is exposed by weathering or some natural or man make process. Placers associated with gravels that are stream remnants from an older erosion cycle are usually a good area to prospect also.

The gold pan (for more information on Gold Panning go to Gold Prospecting) is a shallow plastic or metal pan used to separate gold particles or nuggets from sediment usually found at the bottom of streams or waterways.

There are many gold placer districts in the US. California has, among others, the Feather, Mokelumne, American, Cosumnes, Calaveras, and Yuba Rivers. The Trinity River in northern California also has concentrated quantities of gold in gravels.

Most of the gold mined from Alaska was obtained from placers. There are many rivers, tributaries and streams in Alaska and many have gold deposits in them. Alaska is also known for having gold on its beaches although a gold metal detector is probably the way to go for that. One of the best placer-mining regions has been the Yukon River basin which crosses central Alaska. Beach deposits in the Nome district in the south-central part of the Seward Peninsula can be a fruitful area to explore also. Other productive placers have been found in the drainage basin of the Copper River and the Kuskokwim River.

A little further down in Montana, you find the main placer-mining districts are in the southwestern part of the State. The most productive being at Alder Gulch near Virginia City in Madison County. Other placer localities include the Missouri River in the Helena mining district and the famous Last Chance Gulch, the site of the city of Helena. There are many other placer areas on the headwaters and tributaries of the Missouri River and especially in Madison County ranking third in total gold production in the State.

Idaho is not just famous for potatoes. It was once a leading placer-mining State. Extremely fine-grained (or "flour") gold has been found in sand deposits along the Snake River in southern Idaho.

Placers have also been mined in Colorado in the Fairplay district in Park County, and in the Breckenridge district in Summit County.

Oregon has more than timber. Important placer mining regions include the streams and rivers that flow from the Blue and Wallowa Mountains. The Burnt River and its tributaries have yielded gold. Farther to the west, placer mining has been productively carried on for many years in the John Day River valley. In southwestern Oregon, tributaries of the Rogue River and neighboring streams in the Klamath Mountains have been known sources of placer gold.

The Black Hills of Dakota have been producing placer gold for many years, particularly in the deadwood and French Creek near Custer areas. Also in Washington and the Columbia and Snake Rivers and their tributaries)

Gold, in fact, can be found in most states, Nevada, Arizona, New Mexico, and southern California are the more drier states where one can find gold.

In the eastern States, gold has been washed from some streams draining the eastern slope of the southern Appalachian region in Maryland, Virginia, North Carolina, South Carolina, Georgia, and Alabama. However, much of the land in these States is privately owned and permission is definitely needed to prospect here.

Prospecting Lode Gold Deposits

Load gold is different to placer gold. Lode gold occurs within the solid rock in which it was originally deposited. Most of the known load gold deposit areas have been worked over many times and it takes a determined prospector to find gold in these areas. However, having said that, it can be well worth while moving to just outside of these areas. Gold prospecting on the fringe with a gold metal detector, can be very fruitful with careful detecting and a lot of patience.

The areas in the US where new discoveries of lode gold could be found are too many to list here but some famous districts are: California, the Alleghany, Sierra City, Grass Valley, and Nevada City districts, and the Mother Lode belt; in Colorado, the Cripple Creek, Telluride, Silverton, and Ouray districts; in Nevada, the Goldfield, Tonopah, and Comstock districts; in South Dakota, the Lead district in the Black Hills; and in Alaska, the Juneau and Fairbanks districts. Deposits in these districts are generally gold-quartz lodes.

Prospecting for lode deposits of gold is as easy as it once was as most outcrops or exposures of mineralized rock have been examined and sampled. A prospector today has to do more work to find gold deposits. Checking broken rock on mine dumps and exposures of mineralized rock in accessible mine workings is one way. Gold, if present, may not be visible in the rock and a good quality gold metal detector will be needed.

Last Word on Gold Prospecting Areas

Probably the biggest amount of time spent on gold prospecting areas will be in the research and finding the areas to prospect. Having done that well and, armed with your gold prospecting tools, you can have a lot of exciting fun discovering and finding gold in new gold prospecting areas.

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