 | | 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) | | 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) | | 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) | | 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 |  | | 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 |  | | Journal (article/letter/editorial) | | on geochemistry of muscovite in pegmatite wall zones, Black Hills, South Dakota, USA B.L. JOLLIFF,'J.J...Washington University, St. Louis, MO 63 130499, USA *Institute of Meteoritics, Department of Geology...University of New Mexico, Albuquerque, NM 87 13l- 1126, USA (Received January 6, 1992; accepted in revised form...compositions. Trace and minor element compositions of muscovite separates from the wall zones were thus determined...l-50 ppm Ba. Trace element concentrations of muscovite from a given pegmatite generally cluster together |  | | Report (issue) | | SURVEY Locatable Mineral Reports for Colorado, South Dakota, and Wyoming provided to the U.S. Forest Service........ . . ............ 10 Pike National Forest County of El Paso (Black Forest) Land Exchange Offer ...Creek Land Exchange Offer .............. 153 SOUTH DAKOTA ............................................................. Black Hills National Forest South Dakota Department of Transportation Land Exchange Offer...................... 48 Fig. 14. Map 12-Offered mining claims-Quartz Creek & Cumberland Pass areas (provided |  | | 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 |  | | Report (issue) | | . . . ... . . . . 7 Graphic Granite or Corduroy Spar. . . . . . . . . . . . . . . . . . . . . . . . ... . . . . . . . . . . . . . . . . . .. . . . 14 Mining.... . . . ... . . .. . . . . .. . . . .. . . .... . . . . . . . . . . . . 15 Richardson Feldspar Mine. . ... . . . . . . . . . ... . . . . . . . . . ... . . .. . . . . . .. . . . 15 Bathurst Feldspar Mine. . . . ... . . . . . . . . . .. . . . .. . . . ..... . . . . . .. . . ... . 16 MacDonald Feldspar Mine ............................................... |  | | 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 (issue) | | Geology and Structure of Part of the Spruce Pine District, North Carolina A PROGRESS REPORT BY JOHN M....Geology and Structure of Part of the Spruce Pine District, North Carolina A PROGRESS REPORT By M. PARKER..."Geology and Structure of Part of the Spruce Pine District, North Carolina."' This Bulletin is another in...covers a part of the most important pegmatite district in the United States, It is believed that the...Introduction Location of district History Summary of investigations in the district Scope of present report |  | | 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 |  | | Report (issue) | | Microcline Perthite Graphic Granite and Corduroy Spar Albite Anorthite Grades, Specifications, and Uses...Feldspar Deposits Location Character of Deposit Mining Marketing Feldspar Production Consumption of Feldspar...Richardson mine, Bedford township. 2. Loading feldspar directly into truck at Cameron and Aleck mine, Murchison...when the Richardson mine began production in Bedford township, Frontenac county. Over 170 feldspar mines...area. There is a good market for Grade l potash spar. This circular gives a brief summary of feldspar |  | | Journal (article/letter/editorial) | | Industrial Minerals Microcline (26 cm across), Araçuaí district, Minas Gerais, Brazil. SPECIMEN AND PHOTO : DAVID...feldspar (FIG. 1). trations of quartz, feldspar, and muscovite, only the rareMost pegmatites are mineralogically...International, LLC 651 Madison Road, Eatonton, GA 31024, USA E-mail: A.Glover@activeminerals.com 2 NYCO Minerals...312 Dawson Forest Road East Dawsonville, GA 30534, USA E-mail: wzrogers@gmail.com FIGURE 1 Industrial...LONDON 3 105 W. Copeland Circle Laurens, SC 29360, USA E-mail: jbarton@backroads.net E LEMENTS , V OL |  | | Report (volume) | | ..... Potash-soda feldspars................................................. Lime-soda feldspars, or......"............................... Methods of mining .................................................................................. Androscoggin County............................................. Auburn......................................... Lincoln County ............................................................-...:.....-................. Oxford County........................;...................... |  | | Report (volume) | | Geology of the Spruce Pine District ! Avery, Mitchell, and Yancey Counties North Carolina GEOLOGICAL...Development 1122-A Geology of the Spruce Pine District Avery, Mitchell, and Yancey Counties North Carolina...PLATE 1. Geologic map of Spruce Pine pegmatite district, Avery, Mitchell, and Yancey Counties, N.C.__________________... Index to geologic mapping in the Spruce Pine district, N.C__ A3 2. Regional geology of North Carolina...TO ECONOMIC GEOLOGY GEOLOGY OF THE SPRUCE PINE DISTRICT, AVERY, MITCHELL, AND YANCEY COUNTIES, NORTH CAROLINA |  | | Journal (article/letter/editorial) | | THE PEGMATITES OF THE NORTH SPRUCE PINE DISTRICT, CAROLINA. C. S. MAURICE. ABSTRACT. Several...suggeststhat the conclusionsfor the SprucePine district--the largestproducerof muscoviteand feldspar in..................... Geographyand Geologyof the District .......................... GeologicalSetting ...composition and genesisof feldspar and sheet muscovite should be revised. The hypothesis advancedto...distributionof the pegmatiressuchas that in the SprucePine district. Determination.of Plat7ioclase.--Thecomposition |  | | Report (volume) | | lithium phases................................... Muscovite phase...................................................................... 1.... Androscoggin County..................................................................................... Cumberland County..................................................... Hancock County...................................................... Lincoln County....................................................... Oxford County............................................... |  | | Report (issue) | | 1082-K The geology, distribution, production, and mining development of deposits of chromite, titaniferous...districts ______ -._-_____-_____-___._. Montgomery County, Md_-_-_---_---_-_-----------_-__--_-_-_Soldiers...Marriottsville districts _-_____-___.___.____ Hollofield district ....._..._....-_-._..-._-.-_-.__._.._...... 709...709 710 711 712 713 714 714 714 714 Bare Hills district....._-____--._-_-_--_---.._.__-_..._._.. Woodensburg-Cardiff...ettsville-Dublin district..__-_---_-_-__--_-__--_---_-________ State Line district.-.----.._-_-_---- |  | | Report (issue) | | twenty years of this century the production of feld spar in this State amounted to 265,000 tons valued at...Associated minerals ., Quartz .' '•• 11 II Muscovite Biotite Tourmaline Garnet Bervl 11 12 12 12 12...Petrography Mining Milling 13 13 13 15 18 18 Production 1!) Description of deposits Chester County 21 22...Boyle farm Thorne farm Meredith quarry Delaware County Brandywine Summit Darlington Chester Heights Bunting...Halsey quarry lioothwyu quarry Twin Oaks Montgomery County 35 3(i 38 38 40 42 42 43 44 44 4(5 47 48 48 |  | | Book | | sodium carbonate, which has replaced manufactured soda ash in same as for its predecessor, Geology of...boundaries of the mineral industry are clear: the mining and milling of feldspar, for example, belong to...does not. But how does one draw the line between mining and manufacturing where brine from a salt well...districts, or a representative district if there are many. We name the chief mining companies, and give production...supply must come not merely from one district but from a single mine. Thus the physical properties of many |  | | Book (edition) | | Sage Books are published by Alan Swallow, 2679 South York, Denver, Colorado 80210 i : P ' ! ! m Dedicated...Colorado National Monument Mesa County Dinosaur National Monument Moffat County Great Sand Dunes National... Montezuma County NATIONAL PARKS IN COLORADO Mesa Verde National Park Montezuma County Rocky Mountain...Utah Border to Steamboat Springs, U. S. 40 Moffat County Dinosaur National Monument Hahns Peak Segment B...Commodore Silver Mine Del Norte Segment D — Gunnison to Salida, U. S. 50 Opportunity Mine Bucky Mine Segment E |  | | Report (issue) | | specimen materiaL_ .. __ ______ ____ . ___ ______ _ Mining .. _______________________ . __ . ____ . __ __...------ -- ----~----- ---- ---- 79 79 79 80 80 Mining-Continued Methods ____ ________ _______ .. ____________...pegmatite in granite, Short Tom Smith mine, Rockingham County, N. C______ ____ ____________________ ...between pegmatite and granite, E. R. Self mine, Gaston County, N. C____________________ 6. Sinuous discordant...wall, Knight mine, Rockingham County, N. C- ~ -7. Sharp hanging-wall contact, Knight mine ______ _______________ |  | | Book (volume) | | ;. .. ~ L-- -~ \. • .J_..::.; I Volume 2: Mining History, Gems, and Geology edited by Vandall T...Marvinney, State Geologist of Maine Volume 2: Mining History, Gems, and Geology Edited by Vandall........... 9 Carl A. Francis Selected of Maine Mining and Minerals . ...................................... 17 Vandall T. King Early Hist01y of Maine Mining and Minerals .................................................... 197 References Cited on Maine Mining Hist01y ...................................... |  | | Book (edition) | | anthracite region 10. Structure section in Tazewell County, east of Richlands, southwest 8. 9. 12. 13. ...coal field Shaft house and tipple, bituminous coal mine, Spring Valley, 111 Northern Interior coal field...lines North-south section, showing structure of western field of Los 104 Angeles district 106 Section...Galveston, Tex 32. Hypothetical section in same district as Fig. 31 33. Map showing lines of sections in...by and gas 42. Section across portion of oil district of southwestern of Alaska, showing areas in which |
|
