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Gold Refining In The Ancient World

One thing that stood out for me is that Agricola was very specific about the type of metal or wood in the implements and vessels that were to be used.

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Epithermal Gold and Silver Deposits


Epithermal deposits form in the ground at shallow depths. They are popular with prospectors because can yield very rich deposits and they are widespread in the Western US.

Gold and Rare Earth Elements in New Mexico


We import nearly all of our REEs from China, so it’s critical that we find and continue to develop domestic resources of these elements.

Why Is The Gold On Bedrock—Or Why Is It Not?


Gold on the bedrock is a good rule of thumb, but not one that is 100 percent effective. There are plenty of exceptions. So, how does a prospector recognize those exceptions?

The Bawl Mill


• Do as I say, not as I do...
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Iron Ores and Iron Mining


For more than 40 years, iron ore prices have been decided by private negotiations conducted between the largest of the iron miners and the largest steel producers. These two sides dominate both the spot and contract iron ore markets.

The Birimian Greenstone Belts of West Africa


A few years ago I had a tremendous opportunity to visit Australia and hunt for gold there. The geology of the gold deposits there was somewhat different from what I was used to here in the US. I learned a lot about greenstone belt gold deposits while prospecting them in person, and it was an amazing trip.

How To Identify Minerals


There are a number of characteristics that are used when one identifies a mineral. Each characteristic gives an indication as to what the mineral might be, and the combination of them will point to what it is.

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