 | | Report (issue) | | Geology of the Eastern Great Smoky Mountains North Carolina and Tennessee By JARVIS B. HADLEY and RICHARD...OF THE GREAT SMOKY MOUNTAINS, TENNESSEE AND NORTH CAROLINA GEOLOGICAL SURVEY PROFESSIONAL PAPER 349-B...ement complex _____________________________ _ Carolina gneiss_ ______________ ___________ - Definition... _ Micaceous gneiss and mica schist_ _______ -Biotite gneiss _____________ -- _____ --Two-mica gneiss...-Hornblendic rocks ____________________ -Hornblende-biotite gneiss ___________ _ Ca.lc-silicate granofels _____________ |  | | Journal (article/letter/editorial) | | large variety of minerals and gemstones in North Carolina annually attracts thousands of collectors to...the world. Some Mineral Collecting Sites in North Carolina T H E C O L L E C T I N G L O C A L I T I E...McKenzie's publication Mineral Collecting Sites in North Carolina: Information Circular 24 (1978). For a more...locations on county road maps, refer to this publication, which can be ordered from the North Carolina Department...27687, Raleigh, North Carolina 27611. The price is $5.00 plus 4% sales tax. Individual county road maps can |  | | Report (issue) | | NORTH CAROLINA DEPARTMENT OF CONSERVATION WILLIAM DIVISION JASPER P. OF L. SAUNDERS, MINERAL...RESOURCES GEOLOGIST Circular 16 LOCALITIES NORTH OF CAROLINA BY JAMES F. CONLEY Doc NC DENR LIBRARY...... ACKNOWLEDGEMENTS MINERAL COLLECTING IN NORTH CAROLINA , . . . . # . WHERE TO COLLECT f ... f ......THE MINERAL LOCALITIES OF NORTH CAROLINA BY COUNTIES . . ALAMANCE COUNTY 5 5 Pyrophyllite ......... f .......... 5 ALEXANDER COUNTY ................. 7 Emerald, Hiddenite and Associated Minerals |  | | Report (volume) | | Knoxville 1 °X2° Quadrangle, Tennessee, North Carolina, and South Carolina U.S. GEOLOGICAL SURVEY BULLETIN...Knoxville 1°X2° Quadrangle, Tennessee, North Carolina, and South Carolina By G.R. ROBINSON, Jr., F.G. LESURE...Knoxville 1°X2° quadrangle Tennessee, North Carolina, and South Carolina I by G.R. Robinson, Jr. ... [et al...Geology- Tennessee. 2. Geology-North Carolina. 3. Geology-South Carolina. 4. Mines and mineral resources-...and mineral resources-North Carolina. 6. Mines and mineral resourcesSouth Carolina. I. Robinson, G.R. II |  | Robinson, Gilpin R., Lesure, Frank G., Marlowe, J. I., Foley, Nora K., Clark, S.H. (2004) Bedrock geology and mineral resources of the Knoxville 1° x 2° quadrangle, Tennessee, North Carolina, and South Carolina. Open-File Report 2004-1075. US Geological Survey doi:10.3133/ofr20041075 | Report (issue) | | Knoxville 1°x2° Quadrangle, Tennessee, North Carolina, and South Carolina By G.R. ROBINSON, Jr., F.G. LESURE...Knoxville 1°x2° quadrangle Tennessee, North Carolina, and South Carolina / by G.R. Robinson, Jr. ... [etaf...Geology—Tennessee. 2. Geology—North Carolina. 3. Geology—South Carolina. 4. Mines and mineral resources—Tennessee...and mineral resources—North Carolina. 6. Mines and mineral resourcesSouth Carolina. I. Robinson, G.R. II...Knoxville l°x2° quadrangle, Tennessee, North Carolina, and South Carolina 2. Paleozoic metamorphic facies map |  | | Report (issue) | | .'.' .., Mineral Collecting Sites in North Carolina By W. F. Wilson and B. J. McKenzie RUTILE GUMMITE...Information Circular 24 Mineral Collecting Sites in North Carolina By W. F. Wilson and B. J. McKenzie Raleigh...copies of this publication may be obtained from: North CarOlina Department of Natural Resources and Community...for the general welfare of the citizens of North Carolina. The Section conducts a number of basic and...Geological Survey Section, P. O. Box 27687, Raleigh, North Carolina 27611. Eldon P. Allen, Chief Geologist FRONT | | | Report (issue) | | Information Circular 24 Mineral Collecting Sites in North Carolina By W. F. Wilson and B. J. McKenzie Raleigh...copies of this publication may be obtained from: North Carolina Department of Natural Resources and Community...Geological Survey Section, P. O. Box 27687, Raleigh, North Carolina 27611. Eldon P. Allen, Chief Geologist i ...FRONT COVER PHOTO Twinned emerald crystal from North Carolina, photo from Smithsonian Institution (slide...viable mineral collecting sites through out North Carolina. Some sites are commercially operated during |  | | Journal (article/letter/editorial) | | 2009; Lima et al., 2009). Bingham Canyon near Salt Lake City (Utah, United States) is a giant porphyry Cu-Mo-Au...relationships shown in the preceding article (Redmond and Einaudi, 2010), this paper presents the three-dimensional...Precambrian to Mesozoic tectonism Sedimentary rocks in the mine area consist of quartzite and lesser limestone,...1970; Swensen, 1975). Carbonate rocks of the Bingham Mine Formation host Cu-Au skarns and a halo of Pb-Zn-Ag...such as the Lark mine east of the Bingham Canyon intrusions (Fig. 1B). About 8 km north of the Bingham |  | Steinberger, I., Hinks, D., Driesner, T., Heinrich, C. A. (2013) Source Plutons Driving Porphyry Copper Ore Formation: Combining Geomagnetic Data, Thermal Constraints, and Chemical Mass Balance to Quantify the Magma Chamber Beneath the Bingham Canyon Deposit. Economic Geology, 108 (4) 605-624 doi:10.2113/econgeo.108.4.605 | Journal (article/letter/editorial) | | Switzerland Tinto Exploration, Salt Lake City, Utah 84116, USA 3 Mathematisch-naturwissenschaftliche...demagnetization by hydrothermal alteration on the mine scale, restrict the range of possible solutions...3.5 km below the bottom of the present open-pit mine, and the average thickness of the laccolith is constrained...Ohmoto, 1980; Gustafson and Jorge Quiroga, 1995; Redmond et al., 2004). During their ascent, the fluids...extracted from the magma (Landtwing et al., 2010; Redmond and Einaudi, 2010). In rare examples, such as the |  | | Journal (article/letter/editorial) | | Vein Formation, and Sulfide Deposition PATRICK B. REDMOND†,* AND MARCO T. EINAUDI Department of Geological...Stanford University, Stanford, California 94305 USA Abstract The Bingham Canyon porphyry copper-gold-molybdenum...high-grade copper-gold ore (>1.0% Cu, >1.0 ppm Au). The north-northeast–trending, high-grade zone had pre-mining...sequence: (1) QMP, (2) latite porphyry (LP), (3) biotite porphyry (BP), (4) quartz latite porphyry breccia...dominant orientations; north-northeast– and northweststriking. Dikes have a north-northeast strike but |  | | Report (issue) | | beryl production from the Harding pegmatite, Taos County. Current drilling in the Apache Warm Springs deposit...were discovered in the Victorio Mountains, Luna County in the early 1900s. Gulf Minerals Resources, Inc...porphyry Mo and W-Mo-Be skarn deposits northwest of Mine Hill and south of Middle Hills. At a cut-off grade...Mountain, Otero County and in the molybdenum porphyry deposit at Questa, Taos County, although not in...prospects in the Victorio mining district, Luna County. ........... 38 FIGURE 17. Simplified geologic |  | Nahnybida, Taras, Gleeson, Sarah A., Rusk, Brian G., Wassenaar, Len I. (2009) Cl/Br ratios and stable chlorine isotope analysis of magmatic–hydrothermal fluid inclusions from Butte, Montana and Bingham Canyon, Utah. Mineralium Deposita, 44 (8) 837-848 doi:10.1007/s00126-009-0248-0 | Journal (article/letter/editorial) | | porphyry Cu deposits in Butte, Montana, USA and Bingham Canyon, Utah, USA. The leachates mostly represent low-salinity...within a single host crystal (Rusk and Reed 2002; Redmond et al. 2004; Landtwing et al. 2005). Inclusions...unknown composition by some workers. Butte, Montana, USA and Bingham Canyon, Utah are two deposits where such...fluid unmixing into brine and vapor occurred (Redmond et al. 2004; Rusk et al. 2004, 2008). The analysis...of the deposits at Butte, Montana, USA and Bingham Canyon, Utah, USA. We have targeted some samples that |  | | Report (issue) | | Church (Salt Lake City) built with Nugget Sandstone Utelite expanded shale plant, Summit County, Utah Holnam’s...Holnam’s Devil’s Slide plant, Morgan County, Utah !7IB5F7-jbgfej! Utah Geological Survey MP 01-2 ISBN...- THE INTERMOUNTAIN WEST FORUM 1999 Salt Lake City County Building constructed of Kyune Sandstone Proceedings... Krukowski Meeting held: May 2-7, 1999 in Salt Lake City, Utah Miscellaneous Publication 01-2 Utah...T. Krukowski Meeting held May 2-7, 1999 in Salt Lake City, UT ISBN 1-55791-654-3 MISCELLANEOUS PUBLICATION |  | Landtwing, M. R., Furrer, C., Redmond, P. B., Pettke, T., Guillong, M., Heinrich, C. A. (2010) The Bingham Canyon Porphyry Cu-Mo-Au Deposit. III. Zoned Copper-Gold Ore Deposition by Magmatic Vapor Expansion. Economic Geology, 105 (1) 91-118 doi:10.2113/gsecongeo.105.1.91 | Journal (article/letter/editorial) | | LANDTWING,1,* CAROLINE FURRER,1,** PATRICK B. REDMOND,2,‡ THOMAS PETTKE,1,‡‡ MARCEL GUILLONG,1,§ AND...incluAcronyms Used in this Paper sions in porphyry copBP = biotite prophyry per deposits recognized EDM = early dark...on an intrusive stock (see Gruen et al., 2010; Redmond and Einaudi, 2010). The ore shell has the shape...inverted cup and is well exposed in the large open-pit mine and by deep diamond drill holes that have reached...Kendrick et al., 2001a, b; Vanko et al., 2001; Redmond et al., 2004, Landtwing et al., 2005; Guillong |  | Alford, Lee, Gysi, Alexander P., Hurtig, Nicole C., Monecke, Thomas, Pfaff, Katharina (2020) Porphyry-related polymetallic Au-Ag vein deposit in the Central City district, Colorado: Mineral paragenesis and pyrite trace element chemistry. Ore Geology Reviews, 119. 103295 doi:10.1016/j.oregeorev.2019.103295 | Journal (article/letter/editorial) | | district is located in the Front Range of Colorado, USA, and has been one of the most productive Au deposits...the Front Range, ~60 km west of Denver, in Gilpin County, Colorado (Fig. 1a). Central City and other historic...interlayered quartz-feldspar gneiss, amphibolite and biotite schist (Lovering and Goddard, 1950; Moench, 1963;...medium-grained feldspar-rich gneiss and sillimanite-biotite gneiss (Fig. 2). Most of the supracrustal rocks...granodiorite dated at ~57–57.6 Ma based on K-Ar in biotite (Rice et al., 1982), and a widespread porphyritic |  | Maughan, Daniel, Keith, Jeffrey, Christiansen, Eric, Pulsipher, Tamalyn, Hattori, Keiko, Evans, Noreen (2002) Contributions from mafic alkaline magmas to the Bingham porphyry Cu-Au-Mo deposit, Utah, USA. Mineralium Deposita, 37 (1) 14-37 doi:10.1007/s00126-001-0228-5 | Journal (article/letter/editorial) | | to the Bingham porphyry Cu–Au–Mo deposit, Utah, USA Received: 2 May 2001 / Accepted: 18 July 2001 / Published...include the hybrid quartz monzonite porphyry, biotite porphyry, and minette dikes. Even some of the more...Geology, Brigham Young University, Provo, Utah 84602, USA E-mail: jeff_keith@byu.edu Tel.: +1-801-3782189 Fax:...Processes Group, CSIRO Exploration and Mining, North Ryde, NSW 1670, Australia correlated with the intrusions...limestone, located about 30 km southwest of Salt Lake City, Utah (Fig. 1). A sequence of volcanic rocks |  | | Report (issue) | | ...................................... Sumpter County.......................................................................................... Walker Lake Deposits........................................................................................ North Dakota................................................................................... South Carolina.................................................Clay Spur Bentonite Bed of the Mowry Shale, Crook County, Wyo.......................................... |  | | Book (edition) | | Resource Reviews Series editor John Slack, Reston, VA, USA More information about this series at http://www...Australia, Brazil, China, Greece, Iran, Mongolia, North America, Russia, and Turkey, including new maps...in Santiago; North Limited in Parkes; Kanowna Belle Gold Mines in Kalgoorlie; PT North Mining Indonesia... 6.4.2 Bingham Copper-Molybdenum Deposit, Utah, USA. . . . . . . . . . . . . . . . . . . . . . . 6.4.... . 6.4.4 Cripple Creek Gold Deposit, Colorado, USA. . . . . . . . . . . . . . . . . . . . 6.4.5 Skouries |  | | Journal (issue) | | the broader aspects ot the geology of Umat111a County, Oregon. These stud1es may be summarized by stat1ng...the county. Later formations are represented by a veneer of sediments wh10h 1nclude Pliocene lake beds...the county. It has been known for a long time that pre-Miocene rocks existed in Umatilla County, but...1200 square m11es. Th1s inoludes all of Umatilla County south of an east.west line which runs through a...Relief is great) espeoially in the canyon of the North Fork of the John Day River and along the northern |  | | Journal (article/letter/editorial) | | and later Mo ore-forming stages at Bingham Canyon, USA, demonstrate a common metal source. Uranogenic Pb...magmatic-hydrothermal Cu–Mo– Au ore deposits in western North America, which together constitute the world's major...Butte, and Bingham Canyon) occur in the western USA within less than 1% of the Earth's land surface (Singer...Maughan et al., 2002; Redmond et al., 2004; Landtwing et al., 2005, 2010; Redmond and Einaudi, 2010). We...Mo deposits in the eastern Rocky Mountains of the USA are derived from anciently metasomatized subcontinental |  | | Report (issue) | | Gold, base-metal, and related deposits of North Carolina 1011 by Gwendolyn W. Luttrell 12 U.S. Geological... Gold, base-metal, and related deposits of North Carolina Abstract Gold, silver, copper, lead, zinc,...barite, and rare-earths have been mined in North Carolina. Gold, with by-product silver, occurs in veins...along the borders of a granite body in Halifax 18 County. 19 and Vanoe Counties. 20- Tungsten minerals...occur with sulfides in vein|j deposits in Cabarrus County. 21 22 23 24 25- U. S. GOVERNMENT PRINTING OFFICE: |  | | Journal (article/letter/editorial) | | mineralization in the North Range (Coleman Mine) and the South Range (Creighton Mine). The Sudbury Breccia...titanite. Titanite-chlorite assemblages in the North Range footwall of the SIC overprint metalliferous...Chieflakian orogeny. In the South Range at the Creighton Mine, the Sudbury Breccia hosting the Creighton Deep...mineralization was remobilized. At both locations, biotite exhibits an increase in Tl content that relates...modification. Chemical studies of minerals such as biotite, amphiboles, and titanite have improved understanding |  | | Journal (article/letter/editorial) | | et al., 2015). MPSA is currently constructing a mine and has slated production to begin at the Botija...Quiroga, 1995; Proffett, 2003; Harris et al., 2004; Redmond and Einaudi, 2010) have concluded that porphyry...tabular bodies that dip gently 20° to 40° to the north-northwest. Globally, other porphyry deposits that...Bingham Canyon and Haquira: Gruen et al., 2010; Redmond and Einaudi, 2010; Cernuschi, 2015). Unlike Bingham...0.8 Ma from the southern end of the batholith, north of the porphyry copper deposits. More recently, |  | | Journal (article/letter/editorial) | | the 1.85 Ga Sudbury Igneous Complex at the Garson mine, Sudbury, Ontario Joshua Mukwakwami ∗ , Bruno Lafrance...Earth Sciences, Laurentian University, 933 Ramsey Lake Road, Sudbury, Ontario P3E 2C6, Canada a r t i...Complex Deformed magmatic nickel deposit Garson mine Layer-parallel shear zones a b s t r a c t The...Orogeny. They formed as layer-parallel, north-dipping, north-over-south thrusts in response to flexural...the general transport direction was from south to north during the Mazatzal–Labradorian Orogeny, the D1 |  | | Journal (article/letter/editorial) | | quartz-sulfide vein sets at the Ordovician Endeavour 26 North (E26) deposit, central New South Wales, in order...al., 2005; Gruen et al., 2010). The Endeavour 26 North (E26) porphyry Cu-Au deposit is the largest of several...high-K calc-alkaline to shoshonitic K-feldspar-biotite (hornblende)-phyric quartz monzonite porphyritic...alkali feldspar phenocrysts with lesser magnetite, biotite, and hornblende in an aphanitic alkali feldspar...include more mafic intrusions (with additional biotite and augite). The quartz monzonites emanate from |
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