 | | 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) | | [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 |  | | 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...Harney Peak Granite of the southern Black Hills, South Dakota, form an igneous system that progrcssesfrom...satellitic plutons in the southern Black Hills, South Dakota, are surrounded by a region containing about |  | | 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..._____________________________________ Replacement in the Hugo pegmatite.____-_____-_Mineral variations.______...the Hugo pegmatite, Keystone, S. Dak. Geologic map, underground workings, and sections of the Hugo pegmatite..._______________ Paragenesis of the units in the Hugo pegmatite__________-_______-__--_-_--__________----_-------Layer |  | | 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 |  | | 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 |  | | 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...simple pegmatite in the southern Black Hills, South Dakota, have been determined from analyses of a set...is on the Diamond Mica claim, about 1 mile south of Keystone in the SE| NEt NE+ Sec.17, T. 2S., R. 6E....W. from the portal of the main adit of the Etta mine. The name of the claim seems to have been derived |  | | Report (issue) | | SURVEY CIRCULAR 699 Gold in the Black Hills, South Dakota, and How New Deposits Might Be Found CONTENTS...and geologic map of the Black Hills of western South Dakota and adjacent parts of Wyoming ....................... . m 3 Gold in the Black Hills, South Dakota, and How New Deposits Might Be Found By James...production of 34,694,552 troy ounces of gold mined in South Dakota through 1971, about 90 percent has come from...from Precambrian ore bodies in the Homestake mine at Lead in the northern Black Hills. Most of the rest |  | | 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) | | 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...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...disorepanoies in zoned pegmatites, Black Hills, South Dakota 716 The granite contains xenoliths of metamorphic |  | | Report (volume) | | ....................................... 102 District of Columbia ............................................................................ North Dakota........................................................ South Carolina......................................:.................... South Dakota..........to refer to Geological Survey Bulletin 507, "The mining districts of the western United States," and to...abundant it may have been completely exhausted by mining or quarrying. Deposits of minerals that are widely |  | | 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...Associated pegmatite minerals are quartz, plagioclase, orthoclase(?), black tourmaline, garnet (almandine?), muscovite...nature of the old pit indicated that the previous mining operations may have occurred almost a century ago |  | | 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 |  | | 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 (article/letter/editorial) | | which showedcrystal faces. In the Natas mine in middle South-West Africa such a vein in schistscarriescrystalsof...weighingmore than I I pounds;small crystalsof orthoclase and somealbite are along the walls. The center...pp. 1-49, I914. a Rickard, T. A.: A Journeyto South Africa. Eng. & Min. Jour. Press, vol. i2i, p....muchlarger. A massof amblygonite in the Peerlessmine at Keystone,S. Dak., had been exposedin I9o8 for a lengthof... berylon theIngersollclaim2• milesnorthwestof Keystone,S. Dak., was 45 inchesacrossthe endbetween sides |  | | Journal (issue) | | talking on "The Minerals of the Silver Coin Mine", an old silver mine near Winnemucca, Nevada with a wide variety...for the dam seems to have been quarried fro m the south side of the C411yon just below the dam, and an extensive...Update oo the Minerals of Summit Rock, Klamath County, Oregon Magoesiohomblcnde, Pblogopite aud Cristobalite...on tbe Minerals from tbe Kiggins Mioe, Clackamas County, O~oa Donald G. Howard Most of us are aware that...I had collected on our f.eld trip to the Kiggins Mine: calcite with a liberal sprinkling of red cinnabar |  | | Journal (issue) | | OVERMAN, Omaha, Nebr. The Black Hills region of South Dakota is exceptionally interes ting to the mineral...worked b~• the Scott Rose Quartz Co. of Custer. This mine ls an open cut and the entire face of the workings...py1·ite. The Etta, Hugo. P eerless and Bob Ingersoll mine!'!, all located at Keystone, haYe been worked...obtained by panning the gravel of Battle Creek at Keystone. The yield of gold is very slight as all of these...the early days, Ke~·stone was an important gold-mining town, but the rich ore bas been worked out until |  | | Journal (article/letter/editorial) | | 1910. 6 Keith, Arthur, Gafiney-Kings Mt- Folio, South and North Carolina: U. ,5. Geol. Suraey, Geol. Folio...pegmatite aiUes in the Archean rocks of the Alma district, Park -C*tty, Colorado, measure four hundred feet...Maitlandlo has described pegmatites in the Wodgina district of Western Australia which "vary from mere threads...earth for great distances cannot be accepted, since mining operations have uncovered a definite bottom in...tin-bearing pegmatites of the pp' 111Erongo area, South-West Aftica Trans. Geol. Soc.S' AJrica,32 (for 1929) |  | | Journal (issue) | | White Horse Ranch to the Blitzen Valley, (Harney County, Oregon} and on the way I picked up some pieces...looked like slag from a furnace. This was in Grant County, Oregon, about 5 miles from Seneca. I was on a...feet. It was mined on the farm Tveit, Iveland District north of Kristiansand, Norway. A book of biotite...enormous spodumene crystals in the Black Hills of South Dakota ; the huge beryl crystals at Albany, Maine ;...tourmaline crystal 3x3x8 feet in the Luella Mine near Avon, Latah County, Idaho ; and etc. Origin The crystals |  | | Journal (article/letter/editorial) | | The most based on evidence from the Black Hills, South Da- prolificsources of problemshave beenlarge lithium...x x X x x x x x GiantVolney X ? x x Hugo X X X X X X ? X x x Beechef lode x X...muscovite suitable for sheet Mineral Assemblages mica mining are mostcommonalonghangingwalls. The major vertical...pegmatites. StaatzandTrites(1955)foundthe Quartz Creek district,Colorado,to have numerouspegmatitesthat consistof...almostideal exampleis in the southsegmentof the Hugo pegmatite(Norton et al., 1962). There the zoneof |  | | Report (issue) | | Pegmatites of the Fourmile Quadrangle, Black Hills South Dakota GEOLOGICAL SURVEY PROFESSIONAL PAPER 297-D ...Pegmatites of the Fourmile Quadrangle, Black Hills South Dakota By JACK A. REDDEN PEGMATITES AND OTHER PRECAMBRIAN...prospects-_--------------------Big Tom mine (pegmatite 64) -------------------Corky mine (pegmatite 58)____--_--------------Gayle...9)__________________ Red Spar mine (pegmatite 70)-___--__-___________ Rock Ridge mine (pegmatite 113)_________________...113)_________________ Warren Draw mine (pegmatite 12)________________ Geology.__________________________________ |  | | Journal (article/letter/editorial) | | Museum of Geology South Dakota School of Mines and Technology Rapid City, South Dakota 57701 Downloaded...section 16, T2S, R6E, 1 mile south of the town of Keystone, South Dakota. It is 2 miles due east of Mount...Etta pegmatite prior to 1883. During muscovite mining that year a dense black mineral was found by Major...and led to the founding of the Harney Peak Tin Mining, Milling & Manufacturing Company, which built a...produced by a mine in the United States came from the Etta. Unfortunately for the mining venture, the |  | | Journal (issue) | | call for appointment Tourmaline Tourmaline Queen Mine Pala, California NEW ACQUISITIONS: RUTILE from...the Department of Geology of the University of South Caro lina in Columbia. It was a pleasant and exhilerating...Department of Geology Museum, University of South Carolina, Columbia, South Carolina. Perhaps the collection, begun...hiddenite specimens in his collection from Alexander County, North Carolina, and those superb quartz crystal...surprisingly good specimens. Nowadays the University of South Carolina’s collection cannot be classed as one of |  | 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...National Institute of Standards and Technology, USA (NIST SRM 610, 612, 614, 616, 1830) and the certified...patterns and to identify microcline and AC CE P orthoclase using Raman spectra, measured directly on the |  | | Journal (article/letter/editorial) | | feet above water level. Site: Arizona's Hillside mine, producer of gold, silver, lead, and zinc. The source... found at the Hillside mine at the same time. (Editor's Note: The above mine is at Hillside, Yavapai...150,000 tons of ore. Magnet Iron Co., will do the mining and plans to produce a minimum of 500 tons of concentrates...378 is undoubtedly the Hahns Peak area in Routt County, northern Colorado. It is not usually especially...feet in elevation. "This was once a placer gold mining region. Some rich gold-silver-copper-lead ores |
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