Investigation of Jamestown Fluorite Deposits, Boulder County, Colo PDF Download
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Author: John H. Hild
Publisher:
ISBN:
Category : Fluorite mines and mining
Languages : en
Pages : 28
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Book Description
Author: John H. Hild
Publisher:
ISBN:
Category : Fluorite mines and mining
Languages : en
Pages : 28
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Book Description
Author: John H. Hild
Publisher:
ISBN:
Category :
Languages : en
Pages : 10
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Author: Ernest Pete Beroni
Publisher:
ISBN:
Category : Fluorspar
Languages : en
Pages : 26
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Author: Steven Victor Moody
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ISBN:
Category :
Languages : en
Pages : 56
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Author: George Phair
Publisher:
ISBN:
Category : Fluorspar
Languages : en
Pages : 40
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In the course of thin-section and heavy-mineral studies of fluorite breccias from Jamestown, Colo., the mineral thorite, variety uranothorite, was identified on the basis of chemical, spectrographic, optical, and X-ray data. This uranothorite is compared with uranothorite from South Westland, New Zealand, described by Hutton (1950), and with similar material from an Alaskan placer sample studied by the writers. These uranothorites are in turn contrasted with uranothorites described in the older literature all of which represent hydrated material. Thorium halos in fluorite are described, probably for the first time. The uranothorite associated with fluorite breccias is clearly of hydrothermal origin--unlike all previously described thorites and uranothorites with one very doubtful exception.
Author:
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ISBN:
Category : Mineral industries
Languages : en
Pages : 1334
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Author: E. N. Goddard
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ISBN:
Category : Geology
Languages : en
Pages : 47
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Author: W. H. Kerns
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ISBN:
Category : Bedford County (Pa.)
Languages : en
Pages : 190
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![Report of Investigations. [no.2002 to No.7380] PDF](https://books.google.com/books/content/images/frontcover/tX_LLNLws5MC?fife=w80-h100)
Author:
Publisher:
ISBN:
Category : Mineral industries
Languages : en
Pages : 586
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Author: Lore Rose David
Publisher:
ISBN:
Category : Mines and mineral resources
Languages : en
Pages : 54
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