| Locality type: | Mine |
| Classification |
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| Species: | Muscovite |
| Formula: | KAl2(AlSi3O10)(OH)2 |
| Confirmation |
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| Validity: | Believed Valid |
| Data |
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| Mineral Data: | Click here to view Muscovite data |
| Locality Data: | Click here to view Rainbow No. 4 Mine, Fourmile, Custer Mining District, Custer County, South Dakota, USA |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 211470 |
| Long-form Identifier: | 1:3:211470:5 |
| GUID (UUID V4): | f2ba825b-53d2-4a73-8022-356645454982 |
| Nearest other occurrences of Muscovite |
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| 0.5km (0.3 miles) | ⓘCorky Claim, Unorganized mining district [1], Custer County, South Dakota, USA |
| 0.5km (0.3 miles) | ⓘEruption Lode (Volcano Lode), Custer Mining District, Custer County, South Dakota, USA |
| 0.9km (0.5 miles) | ⓘBig Tom Mine (Kem Lode), Custer Mining District, Custer County, South Dakota, USA |
| 1.3km (0.8 miles) | ⓘDubuque and Royal Flush Claims (Gayle Lode), Custer Mining District, Custer County, South Dakota, USA |
| 1.4km (0.9 miles) | ⓘKeystone Lode Occurrence, Custer Mining District, Custer County, South Dakota, USA |
| 1.9km (1.2 miles) | ⓘHelen Beryl Mine, Fourmile, Custer Mining District, Custer County, South Dakota, USA |
| 2.2km (1.3 miles) | ⓘWarren Draw Mine (Warren Gulch Mine), Custer Mining District, Custer County, South Dakota, USA |
| 2.4km (1.5 miles) | ⓘHighview Prospect, Custer Mining District, Custer County, South Dakota, USA |
| 2.4km (1.5 miles) | ⓘWright Mica Lode, Custer Mining District, Custer County, South Dakota, USA |
| 2.5km (1.5 miles) | ⓘLithia Lode, Custer Mining District, Custer County, South Dakota, USA |
| References |
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| Reference Search (possible matching items) |
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 | | Journal (article/letter/editorial) | | [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...the number of mines worked tor bery 1. muscovite, col ti mhite-tantalite. ambl ygonite, spodumene, and...except for the Homestake mine, which has operated for more than 120 years, most mining in the area peaked in |  | | Report (issue) | | Geology and Pegmatites of the Fourmile Quadrangle, Black Hills South Dakota GEOLOGICAL SURVEY PROFESSIONAL... Geology and Pegmatites of the Fourmile Quadrangle, Black Hills South Dakota By JACK A. REDDEN PEGMATITES...Quartz______________ Perthite and microcline. Muscovite. ___________ Other minerals ________ Paleozoic...prospects-_--------------------Big Tom mine (pegmatite 64) -------------------Corky mine (pegmatite 58)____--_--------------Gayle... Pegmatite mines and prospects Continued Lincoln No. 7 claim (pegmatite 81)-__---__-______ Lithia Lode |  | | Report (issue) | | 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 |  | | Report (issue) | | Pegmatite Investigations 1942-1945 Black Hills, South Dakota By LINCOLN R. PAGE and OTHERS GEOLOGICAL SURVEY..._______________________ Mining, preparation, and uses of mica. _____________ Mining.___________________________________...mines and prospects___________________ 60 Addie tin mine._________________________________ 60 Ajax claim...___________60 Aladin mica mine by J. W. Adams____________ 60 Ann mica mine by T. A. Steven_________________...Steven_________________ 61 Antler mica mine.._-___--__--__-___-_-_-___-___ 64 Apex claim.___-__________-_-----_---_--_-____64 |  | | Report (volume) | | ............... Pick mine......................................... Shovel mine.................................... Gallon Jug No. 1 claim............................ Gallon Jug No. 2 claim............................... Gallon Jug No. 4 claim............................ Other areas on Hellroaring Plateau....Photomicrographs of chromite ore from the Red Lodge district........................ 167 Map showing claims...and section of the Pick mine......... In pocket Photograph of the Gallon Jug No. 4 area......... 184 Geologic |
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