 | | 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 |  | | Journal (article/letter/editorial) | | Hills of South Dakota THOMAS J . C A M P B E L L and WILLARD L . ROBERTS Museum of Geology South Dakota...Dakota School of Mines and Technology Rapid City, South Dakota 57701 more comprehensive description of the...occurrences as the Black Hills area of western South Dakota. These occurrences are quite diverse, ranging...of the CusterKeystone area, to the Homestake gold mine in Lead, to golden barite-bearing concretions east...the recently added South Dakota room in the Museum of Geology at the South Dakota School of Mines and |  | | 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 |  | | Journal (article/letter/editorial) | | metamorphic rocks in the southern Black Hills, South Dakota JnvrnsJ. Nonrox* Branch of Central Mineral Resources...Center, Denver, Colorado 80225, U.S.A., and South Dakota School of Mines and Technology, Department of...Geology and Geological Engineering, Rapid City, South Dakota 57701,U.S.A. Ansrnlcr The pegmatite field and...Black Hills, South Dakota, form an igneous system that progrcssesfrom slightly biotitic muscovite granite...rare-mineral pegmatitesbecome more abundant and muscovite pegmatitesless abundant toward the outskirts of |  | | 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 (issue) | | lithium_________________________________ History of lithium mining and production ________________________ Imports..._._______.__ North and South Carolina.___---_______-_-_---__-__________ South Dakota________________...area._____________________________ Pala pegmatite district.__--___--___-_-______--_______._ Arizona, New...________________________ Future of the lithium mining industry________--__--___-___-______-___ Literature...analyses of three spodumene samples, Edison mine, Keystone, S. Dak.. ____..____________^__._______5. Lithium |  | | Report (issue) | | Some Pegmatites in the Southern Black Hills South Dakota GEOLOGICAL SURVEY PROFESSIONAL PAPER 297-E ...Some Pegmatites in the Southern Black Hills South Dakota By JAMES J. NORTON and others PEGMATITES AND...prospect.____________________________ Etta spodumene mine.______________________________ Geology-___ . __...303 305 305 307 310 312 314 315 Etta spodumene mine Continued Mineral deposits____--__--------------_-_------Eureka...spodumene prospect._________ Hot Shot feldspar and mica mine.. _____ Geology __________-_---_-_-----------__-_-----Mineral |  | | Report (issue) | | Geology of the Hugo Pegmatite Keystone, South Dakota GEOLOGICAL SURVEY PROFESSIONAL PAPER 297-B Geology... Geology of the Hugo Pegmatite Keystone, South Dakota By J. J. NORTON, L. R. PAGE, and D. A. BROBST PEGMATITES...vite pegmatite ________ Zone 2: Quartz-albite-muscovite pegmatite. _______ Zone 3: Perthite-quartz-albite..._____________________________________ Replacement in the Hugo pegmatite.____-_____-_Mineral variations.______...the Hugo pegmatite, Keystone, S. Dak. Geologic map, underground workings, and sections of the Hugo pegmatite |  | | Report (volume) | | Geology of the Hill City Quadrangle Pennington County South Dakota A Preliminary Report GEOLOGICAL SURVEY... Geology of the Hill City Quadrangle Pennington County South Dakota A Preliminary Report By JAMES C. RATTE...and pegmatites in the central Black Hills of South Dakota UNITED STATES GOVERNMENT PRINTING OFFICE, WASHINGTON...GEOLOGY OF THE HILL CITY QUADRANGLE PENNINGTON COUNTY, SOUTH DAKOTA A PRELIMINARY REPORT By JAMES C. RATTE...City quadrangle, in the central Black Hills, South Dakota, is underlain by Precambrian phyllites and schist |  | | Journal (article/letter/editorial) | | SPODUMENE BLACK HILLS, SOUTH DAKOTA. G. M. MINE, SCHWARTZ. INTRODUCTION. THE Etta mine is known the world...importantproducerof lithium ore in the United States. Althoughthe mine has been repeatedlyreferred to, and briefly described...Superintendent of the Etta, for permissionto studyand map the mine and for many mineral specimens. I am especiallyindebtedto...analyticalwork. GENERAL FEATURES. History of the Mine.--Previous to I883 the Etta claim had beenworked...P. Blake• determined tin in samplesfrom the Etta mine which had been submitted to him for analysis. In |  | Simmons, William B., Falster, Alexander U., Nizamoff, James W., Freeman, Gary (2019) Giant spodumene and montebrasite crystals from the Plumbago North pegmatite, Oxford County, Maine. The Canadian Mineralogist, 57 (5) 795-797 doi:10.3749/canmin.ab00024 | Journal (article/letter/editorial) | | CRYSTALS FROM THE PLUMBAGO NORTH PEGMATITE, OXFORD COUNTY, MAINE WILLIAM B. SIMMONS§ AND ALEXANDER U. FALSTER...Museum, Bethel, Maine, USA JAMES W. NIZAMOFF 64 Mineral Drive, Hebron, Maine, USA GARY FREEMAN Freeman...Freeman Resources, LLC, 48 Lovejoy Road, South Paris, Maine, USA Keywords: giant crystals, spodumene, montebrasite...on the north side of Plumbago Mountain, Oxford County, Maine. The pegmatite is spodumenerich and is potentially...pegmatite is principally composed of quartz, albite, muscovite and spodumene. Initial sampling indicates that |  | | Report (issue) | | Near rringie, Pringle Southern Black Hills, South Dakota, "Vii ic«*rl Kw Caused by Rare-Mineral I tnckvrkncc»«4...Anomaly Near Pringle, Southern Black Hills, South Dakota, Possibly Caused by Unexposed Rare-Mineral Pegmatite...Products Section, U. S. Geological Survey, 604 South Pickett Street, Alexandria, VA 22304 CONTENTS...group of pegmatites .............................. Mining and exploration for lithium minerals, beryl, and...of tantalite-columbite from the Etta pegmatite, Keystone, S. Dak. .................................... |  | | Report (issue) | | Deposits of the Peerless Pegmatite Pennington County South Dakota GEOLOGICAL SURVEY PROFESSIONAL PAPER...Deposits of the Peerless Pegmatite Pennington County South Dakota By DOUGLAS M. SHERllDAN, HAL G. STEPHENS...__________________ Acknowledgments__________________________ Mine workings _____________________________________ Geology...____________________________ Quartz-plagioclase-muscovite pegmatite, undifferentiated _________________...schist containing staurolite partially changed to muscovite, chlorite (ripidolite), quartz, and biotite. B |  | | Journal (article/letter/editorial) | | Rtcrwooo Schoolof Applied Geologlt (Jniversityof New South |l'ales Kensington,N. S.W. 2033, Australia Abstract...(E1 9 2 3 , p . 3 6 2 ) . 5 PerticaE Italy. 2. Mine, Urbino, SULPIiIDES € SULPHOSALTS (i)SULTHIDES...70 x 8.89 x 6.35 cm from Maybee Quarry, Monroe County, Michigan, U.S.A. and which is in the Cranbrook...Collection, Central ResearchLaboratory, Mitsubishi Metal Mining Company, Yonu-Shi, Saitana prefecture, Japan; it...Moscow,U.S.S.R.is 35 Geological Survey, Pretoria, South Africa (pers. x 15 cm; Guillemin (1964,p.2; 1972 |  | | Book | | what was probably one of the earliest hard-rock mining operations in the world. A necklase with a turquois...ancient workings of turquois were located on the south slopes of the Ali-Mirsa-Kuh mountains near Nishapur...rather convoluted account of the prospecting and mining of this mineral (Pliny, 38:33): "It [cal/aina,...brecciated metamorphosed rock phosphate at Moculta, South Australia Optical constants: Not certain; low birefringence...evaporitic rocks at the Incline, Mariposa County and Big Creek, Fresno County, California. The associated minerals |  | | Journal (article/letter/editorial) | | MAY_JUNE, 1970 COMPOSITIONOF A PEGMATITE, KEYSTONE, SOUTH DAKOTA1 Surwy, Washington,D. C. 20242. JanrnsJ...and diamond drilling at a locality near Keystone, South Dakota. The pegmatite contains 33.6 percent albite...percent quartz, 21.0 percent perthite, 14.0 percent muscovite, and 1.0 percent accessory minerals. Its bulk...pegmatite. Other rocks include a l-foot albite-quar?-muscovite border zone and sparse quartz-perthite fracture-fillings...offset mainly by an increase in albite; quartz and muscovite are more uniform in abundance. Like similar gradients |  | | Report (issue) | | triplite, lithiophilite, lacroixite, crandallite, muscovite, albite. Distribution: A few localities for well-studied...pegmatite, Bernic Lake, Manitoba, Canada. In the USA, at the Nevel quarry and Bell Pit, Newry, Oxford...White Picacho district, Maricopa Co., Arizona; in South Dakota, from the Peerless and Hugo mines, near...near Keystone, Pennington Co.; around Custer, Custer Co., at the Tip Top and Tin Mountain mines, with large...of Custer; at the Nesbit mine, Gunnison Co., Colorado; in the Stewart mine, Pala, San Diego Co., California |  | | Journal (article/letter/editorial) | | discrepancies in zoned pegmstites, Black Hills, South Dakota G. Geosciences Division, (Received Southwest...from the Harney granite, southern Black Hills, South Dakota yield B total-rock isochron granite age of 1744...initial Srs7/Srs6 ratio of 0.7143 f 0.0006. Four muscovite fractions from the granite give ages that are...Precambrian pegmatites from the Black Hills uplift, South Dakota. The not surprising result that gross discordancies...trending ~~.-SS~. near the western boundary of South Dakota. The exposure of the central Precambrian core |  | | Report (issue) | | Denver, Colorado 9 ^University of South Dakota Vermillion, South Dakota INTRODUCTION This bibliography...references on geology of the Black Hills in South Dakota and Wyoming. For purposes of this report, the... the area does not include the Bad Lands of South Dakota nor the bulk of the Powder River Basin in Wyoming...included in the bibliography. References for South Dakota are more complete than those for Wyoming. Both...geology of the Black Hills National Forest, South Dakota and Wyoming, with a section on Salable commodities |  | | Journal (article/letter/editorial) | | Connedistrict, Maine Topsham district, Maine Grafton district, New Hampshire Greenfield...Middletown district, Connecticut Southern Black Hills district, South Dakota Crystal Mountain district, Colorado...Colorado Clear Creek district, Colorado Bunkerville district, Arizona/Nevada Bently district, Nevada O Pegmatite...in diameter, albite, green beryl, columbite, muscovite, and black tourmaline (Seybert, 1824; Webster...orthoclase(?), black tourmaline, garnet (almandine?), muscovite, biotite, and columbite (Navias and Ostrom, 1951) |  | | Report (issue) | | .. ii :iet3Baorpfcic zoek» of tha Ssystooa district of rock type* «*«.«*«,*«*,**.*.*,» Quart** and...«*«*»*»«.***** 92 1* locatioa of t&a Sayaton* district and dlatributioa of pe^raatitca la t&t aoutJwra...SejTrtone district, Coaoty, Sotttii DeLkota *«***«*«»* ^. Stnstttural treoda of the Heystona district, County...County, South Bakata *«****«*,***»««,, In * Orientation of 160 polott to discordant contacts of 6* Geologic...Geologic map and section, Big Chief Peimla^toa County, 3* DaJt. .«,.., «...,,.* la T« Geolo^te section, |  | | Journal (issue) | | was found in the Hell Creek Formation in North Dakota, a heavily studied formation containing a variety...Montana and stretches into portions of North and South Dakota and into parts of Wyoming ("The virtual fossil‖)...Happenings Pg 3 Pebble Pups—Year End Pg 4 District 11 Honors Pebble Pups Pg 5 Installation of Officers...719-488-0880 or e-mail rsvp@wmmi.org. Western Museum of Mining & Industry / info@wmmi.org // Phone: 719-488-0880...the Family Geology Day at the Western Museum of Mining and Industry in January. The CSMS Pebble Pup table |  | | Journal (article/letter/editorial) | | MINERALS FROM THE ETTA MINE KEYSTONE, SOUTH DAKOTA By ARTHUR SMITH JR. The purpose of this article is...Rapid City. The Etta mine is located 1 mile south of Keystone. To reach the mine take Alternate Route...the railroad crossing in Keystone. Follow this road past the road to the Keystone Cemetery. At about 0.6...makes a Y ; the dumps of the Etta mine are directly ahead. To reach the mine follow the road to the right...right. phic knob, but mining has reduced this knob to an oval pit 230 by 220 feet and from 100 to 150 feet |  | | Journal (article/letter/editorial) | | revisedsequence presented hereis (1) plagioclase, quartz,muscovite, (2) plagioclase, quartz, (8) quartz,perthite...canbesummedup verysimply.Many pegmatiteshave muscovite-richzonesat their outer edge.As the abundanceof...The most based on evidence from the Black Hills, South Da- prolificsources of problemshave beenlarge lithium...New Mexico SouthDakota i Plagioclase-quartz-muscovite X X X 2 Plagioclase-quartz X X X 3 ...se, with or without X X X X X X X X muscovite, with or without biotite 4 Perthitc-quartz |  | | Report (volume) | | National Forest, South Dakota and Wyoming U.S. GEOLOGICAL SURVEY BULLETIN 1580 SOUTH DAKOTA WYOMING I -«*&...Geology of the Black Hills National Forest, South Dakota and Wyoming We st from. Washington SHOWING...Geology of the Black Hills National Forest, South Dakota and Wyoming By ED DEWITT, J. A. REDDEN, ANNA...Mineral resources locatable commodities 50 History of mining and exploration 50 Metals 51 Industrial minerals...114 Miscellaneous commodities 115 Utilization of mine tailings 115 Aluminum 115 Bentonite 115 Mineral |
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