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Identifying the Noble Metals Simple Tests That Work

Using a porcelain evaporating dish, place concentrates or head ore, equal to a tablespoon, in 60cc of aqua regia. Boil almost to dry, then add 10cc HCl (hydrochloric or muratic acid) and heat for a few minutes, and then add 30cc of water and bring to boil. Let cool while the solids are being allowed to settle. Using a pipette...

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Mining Districts and Community Outreach


You have made your presence known with the BLM or Forest Service, placed Mining District signs along the entrance points to your district, and found support with other local miners. But how do you gain popular support?

Swing and a Miss


A very good baseball hitter might get a hit roughly one time out of every three at-bats, but for prospectors often the results are much sparser and it may take many trips before the prospector hits a home run.

Ask The Experts - Prospecting Around Graeagle


Golden Age of Gold Dredges


Over one hundred years ago, gold mining in California saw a radically new method tried out in the major rivers of the Central Valley. Large gold dredges floated lazily but noisily on the waters, bringing up the rich gravel from deep below. With none of today’s environmental restrictions on such methods, the landscape was reworked into a maze of patterns along the rivers.

The Bawl Mill


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The Significance of Boulders in Placer Deposits


The good news about boulders is they can trap heavy minerals. The bad news is moving them out of the way can be a real struggle.

The Bawl Mill


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