 | | 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...Age and origin of the veins.________________ Pegmatite _________________________________________ Distribution___...Sequence of crystallization of the layers Types of pegmatite bodies.______________________ Layered pegmati...228 229 229 230 230 233 233 235 237 237 240 Pegmatite Continued Mineralogy- _ _-_____-____Plagioclase_ |  | | Report (volume) | | Geology of the Calamity Peak Area Custer County South Dakota ~y DONALD H. KUPFER :ONTRIBUTIONS TO ECONOMIC...____________________________________ Granite-pegmatite complex_____________________________________ ...------------Pegmatite 6_ ___ _ ___ __ _____________ _____ _____ __ __ ____ __ Pegmatite 7_____ ______...______ ___ ___________ _______ __ _______ __ Pegmatite 8_____ _________ __ ______ _ ______________ ______...__________ Pegmatite 12_____ ____ __________ __ _______________ ____ __ E1 1 2 4 4 10 11 12 12 12 . |  | | Report (volume) | | General features____________________________ Coosa County _________ ____________________ Randolph County...County_____________________________ 1 1 4 4 5 5 8 11 11 11 14 17 19 20 21 28 2G 26 28 2S 28 30 30 43 40 47...Cherokee County_____________________________ 72 Elbert County _____________________________ 75 Hall County__...County_______________________________ 76 Hart County. ___ __ __________________ 77, Lumpkin and Union counti...___________ S3 Pickens County _______-______________________ 83 Rabun County-_____________________________ |  | | Book | | in Beryl the Ancient 4 East, 9 Analysis, 11 Physical 50 Haiiy and His Successors, Beryl in...Jewelry, 146 Breastplate of the High Priest, 144 South America, Beryl in the Bible, 80 Emerald and 140... Beryl Bazzite, Infrared Color or “Bixbite,” 11. 223 and Synthetic Beryls Glass and Other Imitations...Derivations of Names and Portugal, 490 Republic of South Africa, Romania, 549 601 Yugoslavia, 485 Pakistan...Spain, 445 Greenland, India, 500 Republic, South West Africa 445 Ghana, Inner Somali 443 Germany |  | | Journal (issue) | | 2024 Vol.99, No.1 ROCKS MINE ."Iii[! iil"J www.tandfonline.com/vram Pegmatite Minerals & Gems WILENS...Museum, ME John Rakovan New Mexico Institute of Mining & Technology, Socorro, NM Consulting Editors Joel...TX Bruce Cairncross, University oi Johannesburg, South Africa Steven C. Chamberlain, Syracuse, NY Merrill...Kampf, l.A. County Museum of Natural History, CA Virgil W. Lueth, New Mexico Institute of Mining & Technology...across a local area net\,vork. Subscription offices: USA/North America: Taylor & Francis Group, LLC, 530 Walnut |  | | Report (edition) | | Buckfield, Maine. Mined in 1996 by Holden !Jrothers Mining and currently in the Jim Mann collection. Photo...I 900 ' s, showing Loren Merrill 's tourmaline mining operation at Mount Mica. Table of Contents CHAPTER...displays Maine mineral clubs .. .7 .8 .8 .. 11 11 11 11 12 12 13 13 13 CHAPTER 3. MINERAL LOCALITY DESCRIPTIONS...much information on collecting sites in Oxford County. Numerous other collectors of Maine minerals also...State Museum), Ronald Holden, Jr. (Holden Brothers Mining), Gary Hoyle (Maine State Museum), Duane Leavitt |  | | Report (issue) | | 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...Carolina by George H. Hauser, of Winston-Salem; in South Carolina by Earle Sloan, formerly State geologist;...large sheet mica. The average price paid for run of mine mica, not split or sorted, ranges from $50 to $200...muscovite mica of commercial value are confined to pegmatite. This rock is variable in composition, but in |  | | Book (edition) | | Rs v Engineering News -Record ~ Engineering and Mining Journal-Press Power Chemical and Metallurgical...rocks — Acid sulphate waters in igneous rocks — Mine waters of sulphate type —Sodium carbonate waters...deposits of sedimenigneous origin — Texture of pegmatite dikes — Texture tary deposits — Concretions —...Economic notes — The gold-bearing conglomerates of South Africa — Platinum placers — Cassiterite placers...sandstone European occurrences American occurrences South America Africa Genesis of sedimentary copper ores |  | | Report (issue) | | Pegmatite Investigations 1942-45 New England By EUGENE N. CAMERON and OTHERS GEOLOGICAL SURVEY PROFESSIONAL...______________________________________ _ Location of pegmatite districts ___________________ _ Previous work..._________ _ History of pegmatite mining inN ew England _______ _ Mica mining ______________________________..._______ _ Feldspar mining ___________________________ _ Mining methods ___________________________ _...deposits _______________________ _ Geology of the pegmatite districts of Maine __ :. . _____ _ Metamorphic |  | | Report (issue) | | Deposits of the Chicago Creek Area Clear Creek County Colorado GEOLOGICAL SURVEY PROFESSIONAL PAPER 319...Deposits of the Chicago Creek Area Clear Creek County Colorado By J. E. HARRISON and J. D. WELLS GEOLOGICAL...deposits of the Chicago Creek area, Clear Creek County, Colorado, by J. E. Harrison and J. D. Wells. Washington..._---_-__-_--__________-____________--. History of the district-______________________________ General geology...Biotite-muscovite granite___----_-___________ Granite pegmatite._________________________ Tertiary intrusive rocks |  | | Report (issue) | | Introduction _________.-______-.___-_-______. Beryl mining, production, and uses__________ Internal structure...Keene district.__________________________ Beryl Mountain mine.-__-________--_ Chickering mine.____________________...Page Description of pegmatites Continued Raymond district--_________________ General geology.__________-_-_...districts________-_______--_-. Millard Chandler mine.____--__. Parker Mountain mine._________ Reconnaissance of other...7. 8. 9. 10. 11. 12. 13. 14. 15. 16. Geologic map and sections of the Palermo No. 1 mine, Groton, Grafton |  | | Report (volume) | | Pegmatites of the Crystal Mountain District, Larimer County, Colorado GEOLOGICAL SURVEY BULLETIN 1011... Pegmatites of the Crystal Mountain District, Larimer County, Colorado By WILLIAM R. THURSTON GEOLOGICAL...---------------------------------------History of mining-_-_--___--__-----------.----__-----------_-_ Previous...Range.-___________-Geology of the Crystal Mountain district----------------..---.--Country rocks ______-_---__--_-...United States, showing 'locations of principal pegmatite mining districts. 2. Geologic map of the Hyatt area |  | | Journal (issue) | | available at the mine (except for Chestnut Ridge). - AMETHYST SITE AMHERST COUNTY The amethyst site...miles southeast of Amherst, Amherst County, about 1.0 mile off the south side of State Road 659approximately...BERYL MZNE AMELIA COUNTY The Beryl mine is located 3.8 miles east of.Amelia* Amelia County, off the southwest... is charged to collect from the site. The Beryl mine was operated as the Dobbin (Thraves) prospsct by...Materials Company prior to World War 11. The kaolinized pegmatite contains quartz and white to pale greenish-blueto |  | | Journal (issue) | | rubellite crystal, 75 mm long, from the Cruzeiro mine, Minas Gérais, Brazil. See 'The location, geology...Non-pegmatitic deposits of tourmaline include the Brumado mine (Bahia) which produces fine red uvite crystals and...specimens. Keywords: Tourmaline, pegmatite, eluvial deposits, gem mining, Brazil © Gemmological Association...place in the sequence of deposition within the pegmatite. Thus this property cannot be used to determine...Laranjeira mine (Coronel Murta). Fig. 5. Trichites in a cut rubellite from the Laranjeira mine (Coronel |  | | Journal (article/letter/editorial) | | include the Sapucaia mine, Lavra do Ênio, Alto Serra Branca, the Córrego Frio pegmatite, the Lavra da Ilha...Ilha pegmatite, and the Pirineus mine. We report here the following three additional occurrences: the Pomarolli...Silva (1986) from the Alto Serra Branca granite pegmatite, 11 km southwest of Pedra Lavrada, Paraíba state...“roscherite” were described from the Lavra da Ilha pegmatite, on an island in the Jequitinhonha River, approximately...Figure 1. (left) Yellow zanazziite from Pirineus mine, Itinga, Minas Gerais, associated with eosphorite |  | | Report (issue) | | .. General features ........................ Pegmatite geology....................... Distribution and.......................... G eology C ontinued Pegmatite geology Continued Mineralogy.......................................... 1 1 2 2 2 2 2 3 3 3 8 8 11 12 ILLUSTRATIONS Page Plate 1. 2. 3. Figure 1.... 2 Relation of BeO content to composition of pegmatite ........................................... 7...minerals in one ton of average spodumene-bearing pegmatite ........................... .10 4. BeO content |  | | Report (issue) | | Geology of Costilla and Latir Peak Quadrangles, Taos County, New Mexico BY PHILIP F. McKINLAY Geology and ore...INSTITUTE OF MINING & TECHNOLOGY CAMPUS STATION SOCORRO, NEW MEXICO NEW MEXICO INSTITUTE OF MINING 8c TECHNOLOGY................................................... 11 Metagabbro (p€g) .................................................................................. 11 Paleozoic rocks ................................................................................... 11 Sangre de Cristo formation (CPsc) .............. |  | | Report (issue) | | Geology and Ore Deposits of the Globe-Miami District, Arizona GEOLOGICAL SURVEY PROFESSIONAL PAPER...Globe-Miami District, Arizona By N. P. PETERSON GEOLOGICAL SURVEY PROFESSIONAL Within the district of known...1898Geology and ore deposits of the Globe-Miami district, Arizona. Washington, U.S. Govt. Print. Off.,...Geology-Arizona-Globe-MJami district. 2. Ore-deposits-Arizona-Globe-Miami district. 3. Copper mines and mining-Arizona.... I. Title. II. Title: Globe-Miami district, Arizona. (Series) For sale by the Superintendent of Documents |  | | Report (issue) | | mineralization to caldera subsidence in the Creede district, San Juan Mountains, Colorado, by Thomas A. Steven..._________ ·_________________ _ 9. Alinement of mining districts in north-central Nevada, by Ralph J."...Tonopah, Nevada, by R: A. Gulbrandsen and D. G. Gielow_ 11. Sedimentary iron-formation in the Devonian Martin...d'Alene district, Idaho, by Robert E. Wallace, Allan B. Griggs, Arthur B. Campbell, and S. Warren Hobbs...__________ _ 14. Bleaching in the Coeur d'Alene district,( Idaho, by P. L. Weis ______________________ |  | | Report (issue) | | . . . . . . . . . . . . . . . . . . . . Bonanza mine, T~te Jaune Cache, B. C . . . . . . . . . . . .... . . . . . . . ·.. White Creek, East Kootenay district, B. C. . ........... Skoakumchuck Creek, East........ : ....•........... Yellowknife-Beaulieu district, Northwest Territories ... Prelude Lake area ...................... Lac de Gras - Aylmer Lake district, Northwest Territories . . . . . . . . . . . ...Herb Lake district, Man. . . . . . . . . . . . . . . . . . . . . . . . . . . . Green Bay Mining and Exploration |  | | Report (volume) | | (colleagues at Miami of Ohio), and later Matt Kohn (at South Carolina), separately proposed short courses on...chapters are devoted to mineralogical aspects of apatite, a phase with both inorganic and organic origins...The Geochronology section focuses principally on apatite and monazite for U-ThPb, (U-Th)/He, and fission-track...as to all phosphates. Matthew J. Kohn Columbia, South Carolina John Rakovan & John M. Hughes Oxford,...TABLE of CONTENTS 1 The Crystal Structure of Apatite, Ca5(PO4)3(F,OH,Cl) John M. Hughes, John Rakovan |  | | Book | | much biased by science with too little sense of mine for beauty) will keep his memory and work, alive...extraordinary minerals resultant from these elements, that draw the attention of mineralogists and mineral collectors...so as to render mining of these rare-element pegmatites feasible. The traditional mining of pegmatitic...aplitic rocks. In light of more than 1000 years of mining and an intensive study of the deeper parts of the...quartz at the core of the pegmatite is concerned. In comparison with other pegmatite deposits in the area |  | | Report (issue) | | majority the Grants of the potential uranium district. About 112,500 tons (102,058 metric tons)of $30...understood Grants with such ii uranium a data district New in Mexico base. may Table of Contents ...Sandstone Deposits in the Jurassic Grants uranium district Laguna subdistrict Morrison . Formation 34...mineralization in the Grants uranium district ....... Shiprock district ................ Carrizo Mountains...the Burro Canyon Formation . . . Deposits in the Dakota Sandstone . . . . . . Uranium in Triassic rocks |  | | Book | | ::; • • -- • -- ' ~ ~- - - · ~ l§;g§ ' \ ~11 -~·~ -· ~-"'....-_ -~~;,, -'-" ~ - ~ - -~ ~~...\ \ \ ii • HEY brought me rubies from the mine, And held them to the sun; I said, 'They are drops...RWH PUBLISHING ~ }OB 28:18 BOULDER, CO LORADO USA 1997 ~ © 1997 by Richard W. Hughes All rights...Publishing 4946 Clubhouse Circle Boulder, CO 80301-3725, USA Tel: 303-530-7975; Fax: 303-530-7975 Publisher's...fashioning History of Australian sapphire 289 Mining methods 291 Stone types and sizes 293 Markering |  | | Book | | '1·lJll'\11[1ljl {,: I ' I!,\ '1 REPUBLIC OF NAMIBIA - MINISTRY OF MINES AND ENERGY GEOLOGICAL SURVEY...and diamonds continue to play a major role in the mining sector, significant deposits of base metals and...minerals have helped Namibia rank amongst the top five mining countries in Africa. both in terms of production...fom1 that will provide the mineral exploration and mining industry with an important reference for further...to the establishment of some world-class mines. Mining is of tremendous economic importance to this young |
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