History & Geology
Copper Deposits of Alaska
February 2014 by Steve Herschbach
Only the famous Kennecott copper mine was able to continue operating through the Depression owing to the exceptional richness of its ore.
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.
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Gold Ores of the Delamar District, Nevada
Even as late as 1906, Delamar was second only to Tonopah and Goldfield in production outshining many better known areas. Since the first discoveries, more than 700,000 ounces of gold have been produced from the mines here.
Ancestral Yuba River Placer Gold Deposits
The small-scale miner has reasonable opportunity to exploit some of these small, rich placer gold deposits.
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Q: Is this gold or some other metal?
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