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Download or read book Fluorspar Deposits of Colorado written by Harry A. Aurand and published by . This book was released on 1920 with total page 524 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author: Thomas August Steven
Publisher:
Published: 1960
Total Pages: 268
ISBN-13:
DOWNLOAD EBOOKPrepared in cooperation with the Colorado State Geological Survey Board and the Colorado Metal Mining Fund Board.
Download or read book Geology and Fluorspar Deposits, Northgate District, Colorado written by Thomas August Steven and published by . This book was released on 1960 with total page 268 pages. Available in PDF, EPUB and Kindle. Book excerpt: Prepared in cooperation with the Colorado State Geological Survey Board and the Colorado Metal Mining Fund Board.
Download or read book Fluorspar: Its Mining, Milling, and Utilization with a Chapter on Cryolite written by Raymond Bardeen Ladoo and published by . This book was released on 1927 with total page 636 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Bulletin - Colorado Geological Survey written by and published by . This book was released on 1918 with total page 224 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Radiometric Examination of the Williamson and General Chemical Fluorite Deposits, Jamestown District, Boulder County, Colorado written by Ernest Pete Beroni and published by . This book was released on 1950 with total page 26 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Quarterly of the Colorado School of Mines written by and published by . This book was released on 1906 with total page 586 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author: Ralph Erskine Van Alstine
Publisher:
Published: 1969
Total Pages: 76
ISBN-13:
DOWNLOAD EBOOKDownload or read book Geology and Mineral Deposits of the Poncha Springs NE Quadrangle, Chaffee County, Colorado written by Ralph Erskine Van Alstine and published by . This book was released on 1969 with total page 76 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author: D. C. Cox
Publisher:
Published: 1954
Total Pages: 384
ISBN-13:
DOWNLOAD EBOOKThe 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.
Download or read book Fluorspar Deposits Near Meyers Cove, Lemhi County, Idaho written by D. C. Cox and published by . This book was released on 1954 with total page 384 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.
Download or read book The Fluorspar Deposits of Southern Illinois written by Harry Foster Bain and published by . This book was released on 1905 with total page 110 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Fluorspar Deposits of New Mexico written by Frank E. Williams and published by . This book was released on 1966 with total page 156 pages. Available in PDF, EPUB and Kindle. Book excerpt:
