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History & Geology

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.

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Placer Gold Deposits of Utah


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Conrey Dredge No. 4—Part II


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Preserving the True History of the Ivanhoe


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The areas that were mineralized with the bedded ore were huge and vast tonnages were indicated, although they had no idea at the time.

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