 | | Report (issue) | | noftonclature* Frui>arĀ«d in oooperation >dth the liorth Carolina Dep&rtaent of Conservation and Development* C05TSHTS...Metamorphic rocks ................ Mica rocks of the Carolina-type ....... Mioa gneiss .............. Mica schist...schist .............. Petrograpljy of the Carolina-type rocks . Structure and texture ....... Mineral.............. Cranberry gneiss ................ Carolina-type rocks .....*.......* Roan-type rocks ......mica ................ Garnet .................. Quartz .................. Accessory minerals ........ |  | | Book | | MINES MINERS MINERALS AND OF WESTERN NORTH CAROLINA Western North Carolinaās Hidden Mineralogical Treasures...E L L 2005 PARKWAY PUBLISHERS, INC. Boone, North Carolina Copyright Ā©1999 Lowell Presnell All Rights...Mines, miners, and minerals of western North Carolina : western North Carolinaās hidden mineralogical treasures...(hard cover) 1. Mines and mineral resourcesāNorth CarolinaāHistory. I. Title. TN24.N8P74 2005 338.4ā7622ā09756ādc22...Domestic Mica Buying Policy 111 20. Western North Carolina & the War Years .119 21. The Mineral Kingdom |  | | Report (volume) | | deposits of the Nightingale district, Pershing County, Nev., by W. C. Smith and P. W. Guild (published........ Topaz deposits near the Brewer mine, Chesterfield County, S. C., by Carl Pries, Jr. (published...quicksilver deposits of the Del Puerto area, Stanislaus County, Calif., by H. E. Hawkes, Jr., F. G. Wells, and..... Quicksilver deposits near the Little Missouri River, Pike County, Ark., by David Gallagher (published...Pershing County, Nev.................................. In pocket Geologic map of the Nightingale mine area |  | | Report (issue) | | Mica Deposits of the Blue Ridge in North Carolina GEOLOGICAL SURVEY PROFESSIONAL PAPER 577 Work done...done in part in cooperation with the North Carolina Department of Conservation and Development and in part...Administration Mica Deposits of the Blue Ridge in North Carolina By FRANK G. LESURE GEOLOGICAL SURVEY PROFESSIONAL... Work done in part in cooperation with the North Carolina Department of Conservation and Development... Geologic map of part of the Blue Ridge of North Carolina and Tennessee. 2-6. Maps showing location of |  | | Report (issue) | | Precambrian Estes Conglomerate, Nemo District, Lawrence County, South Dakota A preliminary report By F. Allan...geology Black Hills Nemo District Stratigraphy Little Elk Granite Boxelder Creek Quartzite Benchmark Iron-formation...and thorium content of Estes Conglomerate and Little Elk Granite 21 Uranium and thorium in the middle...Precambrian Estes Conglomerate, Nemo District, Lawrence County, South Dakota A preliminary report by F. Allan...crust. The Estes contains beds of quartzite and quartz-pebble conglomerate (oligomictic conglomerate) |  | | Report (issue) | | Mineralogy B29 Molybdenum-copper deposits B30 Banner mine B30 Central part B31 Stanley district B31 History...Lost Packer mine B34 Other mines and prospects B34 Yellowjacket district B34 Yellowjacket mine B35 Northeast...Proterozoic deposits B57 Homestake-type B57 Gold-quartz veins B58 Fault-controlled deposits B58 Placer...exploration guides B61 Homestake-type deposits B62 Gold-quartz veins B64 Fault-controlled deposits B64 Placer...Hills B70 TABLES Bl. Gold production from Boise County (principally Boise Basin), Idaho, 1863-1982 B27 |  | | Journal (article/letter/editorial) | | Missouri, 101 Geological Sciences, Columbia, MO 65211, USA a r t i c l e i n f o Article history: Received...similar to the neighboring, slightly older 2.56 Ga Little Elk granite-gneiss. These two intrusions support...composition of maļ¬c rocks in the Rochford district in the north-central part of the Precambrian core. These maļ¬c...Geology, University of NebraskaOmaha, Omaha, NE 68182, USA. 0301-9268/$ ā see front matter Ā© 2008 Elsevier B...faults. Some major faults are labeled. LEG is Little Elk Granite and BMG is Bear Mountain Granite. Four |  | | Report (volume) | | Deposits of minerals of wide distribution, such as quartz and calcite, have been omitted, except those that...State Museum, Albany. North Carolina.. .Dr. Joseph Hyde Pratt, Chapel Hill. North Dakota... .Dr. A. G...... .Prof. Charles W. Brown, Providence. South Carolina.. .Dr. Earle Sloan, Charleston. South Dakota....See Bauxite and Hallpysite. Asbestos. Tallapoosa County, with corundum deposits near Dudleyville; not found...commercial quantity or quality. Asphalt. Colbert County, small quantity has been shipped from near Leighton; |  | | Report (volume) | | ......... North Carolina. .......................................................... North Dakota............................................. South Carolina......................................:..........of minerals that are widely distributed, such as quartz and calcite, have been omitted, except those that...1888. Branner, J. C., The zinc and lead region of north Arkansas: Arkansas Geol. Survey Ann. Kept, for 1892...Compendium of the mineral resources of Arkansas, Little Rock Board of Trade Bulletin, 1912. Eakle, A. S |  | | Journal (article/letter/editorial) | | Neoarchean granitoids from the Black Hills, South Dakota, USA: implications for crustal evolution in the Archean...Geology, Kent State University, Kent, OH 44242, USA Geological Survey of Canada, 600 Booth St., Ottawa...eastern Wyoming province (Black Hills, South Dakota, USA) have been analyzed by ion microprobe (SHRIMP) in...by Archean biotiteāfeldspar gneiss (BFG) and Little Elk gneissic granite (LEG), both of which intrude...by ion microprobe, including two each from the Little Elk granite gneiss and biotiteāfeldspar gneiss and |  | | Report (volume) | | Metadiabase sills in Negaunee Iron-formation near National Mine, Mich., by George C. Simmons ___________________...Lake sill ______________________________ National Mine sill _____________________________ Ash-flow stratigraphy...Pony Trail Group in the Cortez Mountains, Eureka County, Nev., by J. Fred Smith, Jr ________________________...metadiabase sills in Negaunee Iron-formation near National Mine, Mich _ 7. Columnar sections of metadiabase sills..._____ Northeastern Michigan. Precambrian Y (pre- North western Montana. Ravalli). Absaroka Volcanic Supergroup |  | | Book (edition) | | mmed at Broken Arrow aud Trout creek, in Sc. Clair county. The strata in this field are more faulted und...prong of Canoe creek, in St. Clair county, to Ha\sop creek, in Bibb county, a distance of 60 miles. Down to...to Helena, in Shelby county, the field has an average width of 5 or 6 miles. Below that point the width...miles being in the latitud" of Blocton, in Bibb county. The south ern end of this field has a greater...Jefferson county; Helena, Montevallo, and Brierfield, Shelby county; and at Blocion. Bibb county. The Warrior |  | | Report (issue) | | under a cooperative agreement with the State of North Carolina and the Tennessee Valley Authority Physical...under a cooperative agreement with the State of North Carolina and the Tennessee Falley Authority UNITED...___._ ā āā __-__-_-____ Inclusions of muscovite, quartz, and apatite in muscovite..-._-_.____-__-_-_--...Production of sheet and punch mica, 1912-14, in North Carolina, the Southeastern States, and the entire United...data for mica specimens, arranged by lot and by mine or prospect-_-___--_-___-_-.___---___-_____--_ Results |  | | Report (issue) | | Geology and Coal Resources of the Elk Valley Area Tennessee and Kentucky GEOLOGICAL SURVEY PROFESSIONAL...PAPER 572 Geology and Coal Resources of the Elk Valley Area Tennessee and Kentucky By KENNETH J...---------------- Structural development of the Elk Valley area_--Economic geology ___ - - _- - - - -..._______________ _ Lick Fork coal bed _________________ _ Elk Gap coal bed __________________ _ Jordan coal bed...fault zone. 8. Graphic sections of coal beds in the Elk Valley area. 9. Thickness map of the Swamp Angel-Kent |  | Rye, Danny M., Doe, B. R., Delevaux, Maryse H. (1974) Homestake Gold Mine, South Dakota; II, Lead Isotopes, Mineralization Ages, and Source of Lead in Ores of the Northern Black Hills. Economic Geology, 69 (6) 814-822 doi:10.2113/gsecongeo.69.6.814 | Journal (article/letter/editorial) | | Geology Vol. 69, 1974, pp. 814-822 Homestake Gold Mine, South Dakota: II. Lead Isotopes,MineralizationAges...Precambrianrocksin the HomeSlaughter(1968, p. 1449-1450). stake mine at Lead, South Dakota, which has proOn the basis...Terti- and Paleozoic host rocks, galenas in gold-quartz ary intrusive bodies. Tertiary veinlets are also...intrusive rocks (FIN. 1), Survey. 814 HOMESTAKE GOLD MINE: II 815 105040' 44* MDI Lead 440 20' ā¢;d...outliers on the Precambrian rocks 1966). The Little Elk granitealsomay havebe(NobleandHarder,1948;Runner |  | | Report (issue) | | Boise Basin .................................. . Elk City-Newsome Area ....................... . Veins...Montana ................. . Ravalli County, Montan81- Lemhi County, Idaho .. Magnet Cove and Potash Sulfur...Bearpaw Morntains, Mont.; (5) Ravalli County, Mont., and Lemhi County, Idaho; and (6) Magnet Cove-Potash...$30/lb. Thorium, together with rare earths and a little uranium, occurs in apatite that makes up approximately...disseminated deposits, and (4) stream placers of North and South Carolina. This report is a sequel to that report |  | | Report (issue) | | deposits in iron-formation ................ . Gold quartz veins ............................. . 6 6 6 8...target areas ........................... . Area north of Lead ............................ . Portland...come from Precambrian ore bodies in the Homestake mine at Lead in the northern Black Hills. Most of the...Formation, which passes beneath Paleozoic rocks north of Lead and has not been proved to reappear anywhere...information, seem worthy of close attention are (1) north of Lead; (2) the region including the Portland and |  | Gosselin, D. C., Papike, J. J., Shearer, C. K., Peterman, Z. E., Laul, J. C. (1990) Geochemistry and origin of Archean granites from the Black Hills, South Dakota. Canadian Journal of Earth Sciences, 27 (1) 57-71 doi:10.1139/e90-005 | Journal (article/letter/editorial) | | use only. Revision accepted July 24, 1989 The Little Elk Granite (2549 Ma) and granite at Bear Mountain...modelling and Nd isotopic data indicate that the Little Elk Granite was generated by the partial melting...ancient continental suture zones. Le Granite de Little Elk (2549 Ma) et le granite qui affleure dans les...isotopiques du Nd rkvklent que le Granite de Little Elk dkrive de la fusion partielle d'une roche-mkre...Earth Sci. 27, 57-71 (1990) Introduction The Little Elk Granite and granite at Bear Mountain of the Black |  | | Report (issue) | | _. ____________ ... _. __ .. 32 Lolo Fork and north end of Bitterroot Range . ____ . _. __ . __ -.....Page. Descriptive geology-Continued. Lolo Fork and north end of Bitterroot Range-Continued. Geology-Continued...................ā¢............ _.... . Granite; quartz-monzonite._ ........... __ ......... _... _.. _............. ___ . _________ . __ .. --- _.. _.. North end of the range. __ . ___ .... _...... __ ._ ...._____ . _.. __ . __ ....... - . -- .. - - .. -- -North end of Bitterroot Range. _________ . ___ ._ ... |  | Frei, Robert, Dahl, Peter S., Frandsson, Mie Munck, Jensen, Lizette Apel, Hansen, Thomas Rintza, Terry, Michael P., Frei, Karin M. (2009) Lead-isotope and trace-element geochemistry of Paleoproterozoic metasedimentary rocks in the Lead and Rochford basins (Black Hills, South Dakota, USA): Implications for genetic models, mineralization ages, and sources of leads in the Homestake gold deposit. Precambrian Research, 172 (1) 1-24 doi:10.1016/j.precamres.2009.03.004 | Journal (article/letter/editorial) | | and Rochford basins (Black Hills, South Dakota, USA): Implications for genetic models, mineralization...Geology, Kent State University, Kent, OH 44242, USA d Geology and Geological Engineering Department,...East Saint Joseph Street, Rapid City, SD 57701, USA b a r t i c l e i n f o Article history: Received...coeval with latest-stage, semibrittle shears and quartz veins that crosscut Homestake ore bodies, has yielded...mineralization event recognized in the Homestake Mine area. Like the Precambrian galena leads, the leads |  | | Report (issue) | | 7 Bibliography . . . . . 229 Appendix: 252 Mine Index iii NOTATIONS AND ABBREVIATIONS CHEMICAL...(Andesine) (Labradorite) (Bytownite) (Anorthite) Quartz Cristobalite Opal Pollucite Nephelite Petalite...prospects in the lower Ludlow lignites. Harding County: 1. Abemathyite has been identified as a component...meta-uranocircite in uraniferous lignite at the Hilltop mine in sec. 12, Tl6N, R8E, in the Slim Buttes area....(ORTHOCLASE) AEGERITE - See PYROXENE AGATE - See QUARTZ ALABASTER - See GYPSUM AI.BITE - See FELDSPAR GROUP |  | Walker, Richard J., Hanson, G.N., Papike, J.J., O'Neil, J.R. (1986) Nd, O and Sr isotopic constraints on the origin of Precambrian rocks, Southern Black Hills, South Dakota. Geochimica et Cosmochimica Acta, 50 (12) 2833-2846 doi:10.1016/0016-7037(86)90230-9 | Journal (article/letter/editorial) | | therefore crucial for interpreting the growth of the North American craton, and for defining the processes...detailed in WALKER (1984). Archean granites The Little Elk Granite and the granite at Bear Mountain are...oldest rocks dated in the region. The Little Elk Granite, or Elk Creek Gneissoid Granite, described by...by TAYLOR (1935), crops out in the north-eastern Black Hills. The granite is medium-grained, gneissic...of plagioclase (AntO_23), microcline (Or93_96), quartz, biotite and muscovite. Trace phases include apatite |  | | Report (volume) | | stratabound deposits 57 Banded iron-formation (A) 57 Quartz-pebble conglomerate deposits (B) 61 Syngenetic...114 Miscellaneous commodities 115 Utilization of mine tailings 115 Aluminum 115 Bentonite 115 Mineral...and ongoing interests. The world-famous Homestake mine, historically the largest producer of gold in the...Mountains of Wyoming. It extends southeast 115 mi from north of Sundance, Wyo., to south of Hot Springs, S. Dak...Springs, to 7,242 ft at the top of Harney Peak, north of Custer. The rocks in the Forest range from those |  | | Report (issue) | | confined to two wells. One of these wells, on the Big Elk dome, had reached the Kootenai formation; the other...approximate relations to the productive sandstones of the Elk and Big Horn basins are shown in the columnar sections...Roundup on the east, and lies for the most part north of Musselshell Eiver but in the western portion...both plains and mountains. To the north are the Big Snowy and Little Belt mountains, and on the west and...2 Weed, W. H., U. S. Geol. Survey Geol. Atlas, Little Belt Mountains folio (No. 56), 1899. 3 Stone, R |  | | Report (issue) | | districts ______ -._-_____-_____-___._. Montgomery County, Md_-_-_---_---_-_-----------_-__--_-_-_Soldiers...____________ Mine descriptions_______________________________________ Montgomery County, Md___-_______________________...and Harris mines..-_---_-_-_--__-_______. Choate mine._________________________________ Unnamed mine__...mine__.-___-___-_-_-__.__-_.___-____ Calhoun mine---------.-.------------..------- 724 725 726 726 726 727...CONTENTS Mineral deposits Continued Chromite Continued Mine descriptions Continued Soldiers Delight district |
|
