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| [University of Connecticut] at 20:42 14 January 2015 South Dakota is perhaps best known for its pegmatites, which...Hills are responsible for the accessibility of South Dakota’s itbundant and diverse mineral locations...secondary phosphate minerals. Although some pegmatite mining for feldspar still continues (Jacobson 1994). the...except for the Homestake mine, which has operated for more than 120 years, most mining in the area peaked in...and fewer chances to obtain any. However, some mining, mineral exploration, and mineral collecting continues |
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| Pegmatite Investigations 1942-1945 Black Hills, South Dakota By LINCOLN R. PAGE and OTHERS GEOLOGICAL SURVEY...Descriptions, maps, and diagrams of deposits of mica, beryl, lithium, tantalum, tin, and feldspar UNITED...__ Tertiary dike rocks.______-_--_-______--____ Mica deposits._____________________________________ Distribution__...________ Composition and physical properties of mica. _______ Composition _______________________________..._______________________ Mining, preparation, and uses of mica. _____________ Mining.___________________________________ |
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| STATE OF SOUTH DAKOTA Nils Boe, Governor MINERALOGY OF THE BLACK HILLS by WILLARD LINCOLN ROBERTS...Associate in Mineralogy Museum of Geology, South Dakota School of Mines and Technology and GEORGE RAPP...Department of Geology and Geological Engineering, South Dakota School of Mines and Technology With the Editorial...Mineralogy South Dakota School of Mines and Technology BULLETIN NUMBER 18 of the South Dakota School of...of Mines and Technology Rapid City, South Dakota PUBLICATIONS STAFF F. L. Partlo J. T. Thomas President |
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| NONMETALLIC PRODUCTS. MICA DEPOSITS OF SOUTH DAKOTA. By DOUGLAS B. STEKRETT. INTRODUCTION. The mica mines described...paper are all located within a radius of 8 miles of Custer, S. Dak., in the southern part of the Black Hills...deposits of mica so far located, though some deposits occur 12 to 15 miles north of Custer, on the north...possible to visit all the mines, even of those around Custer. The field notes for the present article were obtained...operation the No. 1 or New York mine, and the No. 2 or White Spar mine, both of the Westinghouse Electric |
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| UC-NRLF B 3 JTH am IDD DAKOTA GEOLOGICAL SURVEY BULLETIN NO. J. E. 3 TODD, STATE GEOLOGIST ... MINERAL RESOURCES OF SOUTH DAKOTA INCLUDING MINERAL WEALTH OF THE BLACK HILLS BY CLEOPHAS C. O^HARRA...MINERAL BUILDSSUM&^RIAL FUELS AND WATERS OF SOUTH DAKOTA > WITH PRODUCTION FOR IQOO BY JAMES E. TQ02...TQ02 TODD EARTH SCIENC LIBRARY GIFT OF SOUTH DAKOTA GEOLOGICAL SURVEY BULLETIN NO. J. E. 3. TODD...TODD, STATE GEOLOGIST MINERAL RESOURCES OF SOUTH DAKOTA INCLUDING MINERAL WEALTH OF THE BLACK HILLS |
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| SURVEY GEORGE OTIS SMITH, Director Bulletin 740 MICA DEPOSITS OF THE UNITED STATES DOUGLAS B. STERRETT...Physical properties_____________________________ Mica mining__________________ ____ _ ________ . Hist...Methods_____________________:_____________ Preparation of mica for the market____________________ Uses________...General features____________________________ Coosa County _________ ____________________ Randolph County...Cherokee County_____________________________ 72 Elbert County _____________________________ 75 Hall County__ |
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| Branch of Distribution, U.S. Geological Survey, 1200 South Eads Street, Arlington, VA 22202 CONTENTS Page...location and means of access to all the metallic mining districts in the State, as well as a large number...documented summary of the beginning of Colorado mining history. Part of his summary is given here in the...had been recently found in the Tenmile district, Summit County. In his booklet, which today would be classed...however, because it contains lists of the mines and mining districts that were active at the time in Clear |
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| .....................................302 North Dakota ............................................................................................366 South Carolina .................................................................................368 South Dakota ..............................................rights, so remember you were told. If in doubt, a county map will tell you who the legal owner is. Good...conglomerates; the series includes granites, schists (mica, garnet, graphite, quartz), and gneisses, as well |
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| .....................................302 North Dakota ............................................................................................366 South Carolina .................................................................................368 South Dakota ..............................................rights, so remember you were told. If in doubt, a county map will tell you who the legal owner is. Good...conglomerates; the series includes granites, schists (mica, garnet, graphite, quartz), and gneisses, as well |
 | Sánchez-Muñoz, Luis, Müller, Axel, Andrés, Sol López, Martin, Robert F., Modreski, Peter J., de Moura, Odulio J.M. (2017) The P–Fe diagram for K-feldspars: A preliminary approach in the discrimination of pegmatites. Lithos, 272. 116-127 doi:10.1016/j.lithos.2016.10.030 | Journal (article/letter/editorial) |
| Geological Survey, Federal Center Denver, CO 80225-0046, USA. AC CE P ABSTRACT Governador Valadares, Minas...geologist mapping uncharted territory in a pegmatite district. Our aim in this research is to test whether the...in the Pikes Peak district of Colorado (Simmons et al., 1980, 1987) and the south Scandinavian pegmatites...without turbidity, where PT the separation between albite veins (microperthitic texture) is larger than the...related to the dispersion of data MA are related to albite veins and turbidity, not to fine perthitic textures |
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| Carolina North Dakota Ohio Oklahoma Oregon Pennsylvania Rhode Island South Carolina South Dakota Tennessee...of commercial mining is also long, beginning with the Kenya opal mines of 4000 B.C. Mining began with gemstones...gemstones, instead of metallic ores, and mining for turquoise was enormously extended throughout the...had been sending great expeditions to prospect and mine for it throughout the Sinai Peninsula since at least...and abandoned, one is also sure to find extensive mine dumps sloping steeply down from the shaft or tunnel |
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| .....................................356 North Dakota ............................................................................................427 South Carolina .................................................................................430 South Dakota .............................................................548 Table of Maps Page Alabama County Map ...................................................................................4 Alaska County and Stream Map ............................... |
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| _________--____-_---_-------___-_--------_----_______ Ajo district.-_--_.____---------______--_-_--__---_______ Oatman...______--__-__---_____----_____-__-___-___________ Bonanza district._________________________________________ Breckenridge...region___________________________________________ Spanish Peaks district.____________________________________ Summitville...________________________________________ Edwardsburg district._____________________________________ 11 11 12...22 24 24 24 24 25 25 26 26 27 ,, Pend Oreille district-_-_------------___---__--_-_---_______ 27 i |
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| SOME DEPOSITS OF MICA IN "THE UNITED STATES. By DOUGLAS B. STERRETT. INTRODUCTION. This paper is intended...intended to present descriptions of a number .of mica deposits examined in various parts of the United...information on the production, value, uses, and nature of mica is given only very briefly. Much assistance was...Electric Co.'s mine; Andrew T. Orr, of the Mica Products Co.; C. W. Bryant, of the Standard mine; L. R. Brown...general information on a number of mines in Grafton County and extended other kindnesses; M. M. Kilton, of |
