History & Geology
Strategic Metals—Part II
December 2013 by Bill Rich

Prospecting for Surface Flood Gold Placers on Low and Intermediate Gradient Streams

Associated Gold Placers of the Comstock

Natural Gold Alloys

Butte, Montana—The Richest Hill on Earth
I recently had the opportunity to spend a day exploring around Butte, Montana and was amazed by the amount of mining that has taken place there. The old-timers called Butte “the richest hill on earth” and had pretty good reasons for doing so.
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.
Prospecting for Nickel Deposits

The Silver, Gold and Gemstones of Candelaria, Nevada

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