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Geology of pearl-horseshoe Bend gold belt, Idaho
Deposits consist essentially of sulphide stringers and seams in complex fracture or fissure zones and are valued chiefly for precious metals, particularly gold; porphyry belt, controlled by zones of structural weakness in older batholithic rock; individual mines and prospects.
Geology of pearl-horseshoe Bend gold belt, Idaho
Deposits consist essentially of sulphide stringers and seams in complex fracture or fissure zones and are valued chiefly for precious metals, particularly gold; porphyry belt, controlled by zones of structural weakness in older batholithic rock; individual mines and prospects.
Geology of pearl-horseshoe Bend gold belt, Idaho
Idaho Bur Mines Geology -- Pamphlet
Anderson, A.L. (author)
1934
36 pages
Supp plates, Bibliography
Article (Journal)
English
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