Perception of Mining vs. Reality

May 2015 by Chris Ralph

Gold in Quartz

February 2016
Because quartz and gold may be deposited together across a considerable range of temperatures, not all quartz veins are the same, and there are several different types of gold-quartz deposits.

Gangue Minerals - What Do They Tell Us?

January 2017
There are a large number of different kinds of gangue minerals, and each of them has its own tale to contribute to the story of the chemistry and geology of a deposit.

Gold Refining In The Ancient World

March 2015

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.

The Wisdom of Mark Twain—And Tales of Cheating the Unwary Prospector

June 2012
I (enjoy) Twain’s description of a gold mine, “A hole in the ground with a liar at the top.” Some humor here? You bet, but I’m sure he meant it to be a real eye opener as well.

Exploring and Mining for Uranium

August 2011
For a time uranium was more popular with prospectors than gold, but this is no longer true, and it has been decades since it was common to see individuals armed with Geiger counters out in the field.

Eastern Arizona: Gold and Base Metal Deposits—Part I

February 2011
Arizona is well-known for its copper-gold porphyries and massive base metal-gold sulfide deposits such that primary gold deposits in the state are often overshadowed.

Prospecting for Silver Deposits

August 2015
In some ways, silver is the forgotten precious metal because it straddles both the world of precious metals and jewelry, while having many important  industrial applications like a base metal. The price of silver reflects both the precious metal investment demand as well as the industrial demand.

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