Geological Survey Bulletin PDF Download
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Author:
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ISBN:
Category : Geology
Languages : en
Pages : 796
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Author:
Publisher:
ISBN:
Category : Geology
Languages : en
Pages : 796
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Author: Quentin Dreyer Singewald
Publisher:
ISBN:
Category : Geology
Languages : en
Pages : 262
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Author: Geological Survey (U.S.)
Publisher:
ISBN:
Category :
Languages : en
Pages : 466
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Author:
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ISBN:
Category : Geology
Languages : en
Pages : 710
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Author: Geological Survey (U.S.)
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ISBN:
Category : Colorado
Languages : en
Pages : 352
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Author: George J. Neuerburg
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ISBN:
Category : Geochemical prospecting
Languages : en
Pages : 40
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A model of hte porphyry-metal system characteristic of the consanguineous Cretaceous and Tertiary igneous rocks and associated ores of the southern Rocky Mountains is constructed from the bits and pieces exposed in the Colorado mineral belt and the San Juan volcanic field. Hydrothermally altered rocks in a part of the areas of mineralized rock associated with the Platoro caldera are matched against the model, to locate and to characterize latent mineral deposits for optimal prospecting and exploration. The latent deposits are two stockwork molybdenite deposits (porphyry-molybdenum) and one or two copper-gold-silver chimney deposits.
Author: Geological Survey (U.S.)
Publisher:
ISBN:
Category : Geology
Languages : en
Pages : 796
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Book Description
1785/1918 includes material issued previously in the annual Bibliography of North America geology, and in cumulative volumes issued by N. H. Darton and F. B. Weeks. 1919/28 cumulation includes material previously issued in the 1919/20-1935/36 issues and also material not published separately for 1927/28. 1929/39 cumulation includes material previously issued in the 1929/30-1935/36 issues and also material for 1937-39 not published separately.
Author:
Publisher:
ISBN:
Category : Geology
Languages : en
Pages : 796
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Book Description
1919/28 cumulation includes material previously issued in the 1919/20-1935/36 issues and also material not published separately for 1927/28. 1929/39 cumulation includes material previously issued in the 1929/30-1935/36 issues and also material for 1937-39 not published separately.
Author:
Publisher:
ISBN:
Category : Geology
Languages : en
Pages : 498
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Author: Geological Survey (U.S.)
Publisher:
ISBN:
Category : Mines and mineral resources
Languages : en
Pages : 314
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