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Additional articles that might interest you...

Gangue Minerals - What Do They Tell Us?


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 and Silver Deposits of Bodie, California


Bodie, California, in its heyday, was once rumored to be one of the roughest and most lawless towns in the American West.

The Heavy Minerals in Your Concentrates


The fact that mineral deposits can contribute specific types of heavy minerals is why the analysis of the heavy mineral concentrates in the streams of an area can be an important prospecting technique for finding undiscovered mineral deposits.

The Goldfield Mining District, Nevada—Part II


The majority of the gold produced in Goldfield has come from ores that are close enough to the surface to be oxidized by the air. This oxidized ore is normally a soft, shattered, earthy material usually stained yellow to brown by oxides of iron.

Over the Divide: John A. Miscovich


Mining “giant” John A. Miscovich died August 22, 2014, at the age of 96. He was the well-known inventor of the “Intelligiant” water cannon.

$50 Million in Gold From 1857 Shipwreck Approved for Sale


The gold is all for sale. Just one tiny coin alone could go for $1 million because of its combination of rarity and the history behind it...

Simple Rules of Gold Geology: Comparing Epithermal and Mesothermal Deposits


Geology is a science of general tendencies with frequent exceptions, not one of hard and fast rules that are always true and never vary. For almost every well-accepted rule of gold deposits, I can point you to a number of important exceptions.

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