Fluorite Veins Near Meyers Cove, Lemhi County, Idaho

Fluorite Veins Near Meyers Cove, Lemhi County, Idaho PDF Author: United States. Bureau of Mines
Publisher:
ISBN:
Category : Fluorspar
Languages : en
Pages : 7

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Fluorite Veins Near Meyers Cove, Lemhi County, Idaho

Fluorite Veins Near Meyers Cove, Lemhi County, Idaho PDF Author: United States. Bureau of Mines
Publisher:
ISBN:
Category : Fluorspar
Languages : en
Pages : 7

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Fluorspar Deposits Near Meyers Cove, Lemhi County, Idaho

Fluorspar Deposits Near Meyers Cove, Lemhi County, Idaho PDF Author: D. C. Cox
Publisher:
ISBN:
Category : Fluorspar
Languages : en
Pages : 384

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The fluorspar deposits near Meyers Cove, Lemhi County, Idaho, are localized along three groups of shear zones: one group strikes northeast and dips steeply northwestward, another strikes northeast and dips gently northwestward, and the third strikes northwest and dips gently southwestward. The country rocks are tuffs and flows of the Casto volcanics of Permian (?) age and the Challis volcanics of late Oligocene or early Miocene age. The known deposits are in a belt about 3 miles long and 2 miles wide and crop out at altitudes between 5,100 feet and 7,200 feet above sea level. The principal vein minerals are fluorite, chalcedony, and barite. The fluorite occurs as lodes, crusts around fragments of rock, and replacements of fine breccia. The lodes range in size from veinlets to vein zones several hundred feet long and as much as 20 feet wide and contain ore that ranges in grade from 40 percent to 85 percent CaF2 ; the average grade is about 50 percent CaF2.

Fluorspar Deposits Near Meyers Cove, Lemhi County, Idaho

Fluorspar Deposits Near Meyers Cove, Lemhi County, Idaho PDF Author: D.C. Cox
Publisher: BiblioGov
ISBN: 9781289007232
Category :
Languages : en
Pages : 34

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Book Description
The fluorspar deposits near Meyers Cove, Lemhi County, Idaho, are localized along three groups of shear zones: one group strikes northeast and dips steeply northwestward, another strikes northeast and dips gently northwestward, and the third strikes northwest and dips gently southwestward. The country rocks are tuffs and flows of the Casto volcanics of Permian (?) age and the Challis volcanics of late Oligocene or early Miocene age. The known deposits are in a belt about 3 miles long and 2 miles wide and crop out at altitudes between 5,100 feet and 7,200 feet above sea level. The principal vein minerals are fluorite, chalcedony, and barite. The fluorite occurs as lodes, crusts around fragments of rock, and replacements of fine breccia. The lodes range in size from veinlets to vein zones several hundred feet long and as much as 20 feet wide and contain ore that ranges in grade from 40 percent to 85 percent CaF2; the average grade is about 50 percent CaF2.

Fluorspar Deposits Near Meyers Cove, Lemhi County, Idaho

Fluorspar Deposits Near Meyers Cove, Lemhi County, Idaho PDF Author: Doak C. Cox
Publisher:
ISBN:
Category :
Languages : en
Pages : 0

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Fluorspar Deposits Near Meyers Cove, Lemhi County, Idaho

Fluorspar Deposits Near Meyers Cove, Lemhi County, Idaho PDF Author: D. C. Cox
Publisher:
ISBN:
Category :
Languages : en
Pages :

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Geological Survey Bulletin

Geological Survey Bulletin PDF Author:
Publisher:
ISBN:
Category : Barite
Languages : en
Pages : 512

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Prepared on behalf of the U.S. Atomic Energy Commission.

War Minerals Report

War Minerals Report PDF Author: United States. Bureau of Mines
Publisher:
ISBN:
Category : Mines and mineral resources
Languages : en
Pages : 502

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Mineral War Reports

Mineral War Reports PDF Author: United States. Bureau of Mines
Publisher:
ISBN:
Category :
Languages : en
Pages : 444

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Annotated Bibliography and Index Map of Barite Deposits in United States

Annotated Bibliography and Index Map of Barite Deposits in United States PDF Author: Basil G. Dean
Publisher:
ISBN:
Category : Barite
Languages : en
Pages : 54

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Mineral and Water Resources of Idaho

Mineral and Water Resources of Idaho PDF Author: Geological Survey (U.S.)
Publisher:
ISBN:
Category : Groundwater
Languages : en
Pages : 350

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