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Excerpt from Geology and Ore Deposits of Boise Basin, IdahoMost of the deposits are of moderate size, but the lodes are not uniformly mineralized, and the ore shoots are generally discontinuous and the ore Spotty. The ore shoots are controlled by the effects of movement directed obliquely upward along irregular fissures and by zones of Oblique tension fractures across and

Title : Geology and Ore Deposits of Boise Basin, Idaho (Classic Reprint)
Author : Alfred L Anderson
Language : en
Rating :
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Type : PDF, ePub, Kindle
Uploaded : Apr 10, 2021

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