 | | Report (edition) | | Information Circular GOLD RESOURCES OF NORTH CAROLINA by P. A. Carpenter, D oc ms C% M:*L Raleigh...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 26711. Jeffrey C. Reid Chief Geologist Cover...3 Mining Methods and Recovery 3 Gold in North Carolina 5 History of Mining 5 Production 7 General...Deposits of North Carolina 12 Eastern Carolina Belt 12 Portis Mine 14 Other Mines 14 Carolina Slate |  | | 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: |  | | Report (issue) | | IN NORTH CAROLINA INFORMATION CIRCULAR 29 DEPARTMENT OF ENVIRONMENT, HEALTH AND NATURAL RESOURCES ...agencies for the general welfare of the dtizens of North Carolina. The Section conducts basic and applied research...Resources, at Post Office Box 27687, Raleigh, North Carolina 27611-7687, or call (919) 733-2423. Jeffrey...Chief Geologist GOLD NORTH CAROLINA IN . by P. Albert Carpenter III NORTH CAROLINA GEOLOGICAL SURVEY INFORMATION...INFORMATION CIRCULAR 29 STATE OF NORTH CAROLINA James B. Hunt, Jr., Governor DEPARTMENT OF ENVIRONMENT |  | Dekov, Vesselin M., Rouxel, Olivier, Asael, Dan, Hålenius, Ulf, Munnik, Frans (2013) Native Cu from the oceanic crust: Isotopic insights into native metal origin. Chemical Geology, 359. 136-149 doi:10.1016/j.chemgeo.2013.10.001 | Journal (article/letter/editorial) | | Oceanographic Institution, Woods Hole, MA 02543, USA Department of Mineralogy, Swedish Museum of Natural...with Particle Induced X-ray Emission (PIXE) and Rutherford Backscattering Spectroscopy (RBS) using 3 MeV...continental rise hills, North Atlantic Ocean North of Cape Verde Islands, North Atlantic Ocean Crest of...with spectra of native Cu (QDF3) from the Botallack mine, Cornwall, UK (Criddle and Stanley, 1993) measured...basalts, the primary (magmatic) Cu-mineral is chalcopyrite (Gitlin, 1985). In addition, hydrothermal fluid |  | | Journal (article/letter/editorial) | | concentrations in solution to ppb levels (Watson and Ellwood, 1994; Watson et al., 1995). If bacterial FeS is...of adsorbed metals in bacterial FeS (Watson and Ellwood, 1994) are considerably greater than the concentrations...setting of the Lubin Copper Mining district is north of the ForeSudetic Block, in the Fore-Sudetic Monocline... come from five vertical traverses in the Rudna Mine (Fig. 1). The traverses cover the stratigraphic...FIG. l. A map indicating the location of the Rudna Mine in the Lubin Copper Mining district of southern |  | | Report (issue) | | study of the geology and hydrothermal alteration north of the Creede mining district, Minera], Hinsdale...study of tbe geology and hydrothermal alteration north of the Creede mining district, Mineral, Hinsdale...1984, Wallrock alteration at the Bulldog Mountain mine, Creede mining district, Colorado. Vergo, 1985,... Wallrock alteration at the Bulldog Mountain Mine, Creede mining district, Colorado [abs.]. Vergo, 1987...1987, Wallrock alteration at the Bulldog Mountain Mine, Creede, Colorado [abs.]. BIBLIOGRAPHIES American |  | | Book (volume) | | vertebrate remains. The breaks of the White River north of Crawford in Dawes Co. and the rather extensive...chalcedony, jasper and gem petrified wood. BUFFALO COUNTY KEARNEY, area gravel bars and pits along the Platte...townagate, chalcedony, jasper, petrified wood. CASS COUNTY WEEPING WATER, SE, on rd. to Nehawka, in the Snyderville...chalcedony, jasper, fossils. CHERRY COUNTY VALENTINE, in the Sandhills county along the Niobrara R. and Minnechaduza...CHEYENNE, DEUEL, GARDEN & KEITH COUNTIES AREA, between North and South Platte rivers and in all tributary branches |  | | Report (issue) | | Each article was read, annotated, and indexed by county, subject, and geological age where applicable....geographic area of the subject was. greater than a county, subdivisions of the state, based upon physiographic...a , Emory G e o r fl I a iii University, NORTH\_jFLOYD Figure 1. Subdivisions of Georgia used...Published by the North Carolina Academy of Science from Chapel Hill, North Carolina. FLORIDA GEOL. SURVEY...Tallahassee. FRAGMENT A MINERAL. PALEONTOL. Fr agmenta mine ralogica et paleontologica. Published by the Hungarian |  | | Book (volume) | | grading to 600 to 800 feet thick in the north. ALEXANDER COUNTY FAYVILLE, area stream gravels⎯agate, jasper...⎯agate, jasper; d RR siding of Clay⎯agate. CALHOUN COUNTY AREA, shores of the Mississippi R., in the Warsaw...crystals). CRAWFORD COUNTY PALESTINE, area deposits⎯Siderite. EDWARDS COUNTY AREA, T. 1 S, R. 10 E...deposits⎯Siderite. FULTON COUNTY FARMINGTON, W 6 mi. on Rte. 116 to the Rapatee No. 5 strip mine⎯pyritized gastropods...gastropods (Pennsylvanian age). GRUNDY COUNTY AREA: c Regional rd. and RR cuts and banks of Mason Cr.⎯fossils; |  | | Book (volume) | | grading to 600 to 800 feet thick in the north. ALEXANDER COUNTY FAYVILLE, area stream gravels⎯agate, jasper...⎯agate, jasper; d RR siding of Clay⎯agate. CALHOUN COUNTY AREA, shores of the Mississippi R., in the Warsaw...crystals). CRAWFORD COUNTY PALESTINE, area deposits⎯Siderite. EDWARDS COUNTY AREA, T. 1 S, R. 10 E...deposits⎯Siderite. FULTON COUNTY FARMINGTON, W 6 mi. on Rte. 116 to the Rapatee No. 5 strip mine⎯pyritized gastropods...gastropods (Pennsylvanian age). GRUNDY COUNTY AREA: c Regional rd. and RR cuts and banks of Mason Cr.⎯fossils; |  | | Report (issue) | | ........................................... I15 Mine Waste Characteristics........................................................................ I19 Mine Closure...........................................Abbreviations and Symbols °C degree Celsius AMD acid mine drainage CIGS copper-indium-gallium-diselenide...can be expected to be relatively mobile in acid mine drainage where oxidative dissolution of sulfide...2015). The four primary deposits of the Red Dog Mine have reserves and resources totaling 141 million |  | Hu, Si-Yu, Evans, Katy, Fisher, Louise, Rempel, Kirsten, Craw, Dave, Evans, Noreen J., Cumberland, Susan, Robert, Aileen, Grice, Kliti (2016) Associations between sulfides, carbonaceous material, gold and other trace elements in polyframboids: Implications for the source of orogenic gold deposits, Otago Schist, New Zealand. Geochimica et Cosmochimica Acta, 180. 197-213 doi:10.1016/j.gca.2016.02.021 | Journal (article/letter/editorial) | | framboidal pyrite, carbonaceous material (CM), 29 chalcopyrite, sphalerite and cobaltite form polyframboids... The Macraes deposit (Fig. 1) is the 139 only mine currently in operation in the area, and this world-class...study were collected from 154 Fiddlers Flat, north-central Otago (Fig. 1). This area has a well-exposed...sulfide minerals, including 248 sphalerite, chalcopyrite and cobaltite, are intergrown with the pyrite...inferred to be 253 associated with the CM. Chalcopyrite and cobaltite are, in places, intergrown with |  | | Journal (article/letter/editorial) | | Donghong, Paul Enos, Marcello Minzoni, Brooks B. Ellwood, Michael J. Orchard, Zhang Jiyan, Wei Jiayong,...Jin and Craig M. Bethke Northward extension of Carolina slate belt stratigraphy and structure, south-central...arsenite oxyhydroxysulfate mineral relevant to acid mine drainage —Guillaume Morin, Gwenaelle Rousse, and...1, 2007 The cycling of Ni, Zn, Cu in the system “mine tailings–ground water–plants”: A case study—Nikolay...permeable reactive barrier for the treatment of mine drainage—R.L. Williams, K.U. Mayer, R.T. Amos, D |  | | Report (issue) | | 1B01YJ JH1lrL~ 11HHJ J\J-rAJii W1.sr B JY1111.Il • CAROLINA GEOLOGICAL SOCIETY Field Trip Guidebook 1981 ... October 24-25, 1981 Gaffney, South Carolina - CAROLINA GEOLOGICAL SOCIETY 1981 OFFICERS +', . I...Schaeffer Duke'Power P.O •. Box 33189 Charlotte, North Carolina 28242 0 Secretary-Treasurer: • S. Duncan...Department of Geology, Duke University Durham, North Carolina 27706 Chairman of the Membership Committee:...Department of Geology Catawba College Salisbury, No~th Carolina 28144 Field Trip Leaders: J. Wright Horton, |  | | Journal (article/letter/editorial) | | generated during leaching experiments with pyrite-, chalcopyrite-, and sphalerite-rich rocks and with a sphalerite...Δ56Fesolution-pyrite rock) and Cu (0.0 to + 2.0‰ Δ65Cusolution-chalcopyrite rock) isotopes and small variations in Zn isotopes...(2005) reported that oxidative dissolution of chalcopyrite (CuFeS2) and chalcocite (Cu2S) resulted in fluids...the heavier Cu isotope relative to dissolving chalcopyrite and enargite (Cu3AsS4). To date, we can find...generated from leaching experiments with pyrite-, chalcopyrite-, and sphalerite-rich rocks and with a sphalerite |  | Kimball, B.E., Mathur, R., Dohnalkova, A.C., Wall, A.J., Runkel, R.L., Brantley, S.L. (2009) Copper isotope fractionation in acid mine drainage. Geochimica et Cosmochimica Acta, 73 (5) 1247-1263 doi:10.1016/j.gca.2008.11.035 | Journal (article/letter/editorial) | | com/locate/gca Copper isotope fractionation in acid mine drainage B.E. Kimball a,*, R. Mathur b, A.C. Dohnalkova...Park, PA 16801, USA b Department of Geology, Juniata College, Huntingdon, PA 16652, USA c Pacific Northwest...Richland, WA 99354, USA d US Geological Survey, Denver Federal Center, Denver, CO 80225, USA Received 28 March...water affected by acid mine drainage in a mineralized watershed (Colorado, USA). The d65Cu values (based...of enargite (d65Cu = 0.01 ± 0.10&; 2r) and chalcopyrite (d65Cu = 0.16 ± 0.10&) are within the range |  | | Journal (article/letter/editorial) | | 240 ppm). Chalcopyrite, sphalerite, and galena also occur as isolated grains. Chalcopyrite and sphalerite...composite grains of pyrrhotite, sphalerite, chalcopyrite, galena and cobaltite. Pyrrhotite contains Co...In amphibolite-facies rocks, only pyrrhotite, chalcopyrite and trace amounts of galena and molybdenite...ppm). Chalcopyrite, sphalérite, et galène sont aussi présentes en grains isolés. La chalcopyrite et la...grains composites de pyrrhotite, sphalérite, chalcopyrite, galène et cobaltite. La pyrrhotite contient |  | Nasemann, Philipp, Gault-Ringold, Melanie, Stirling, Claudine H., Koschinsky, Andrea, Sander, Sylvia G. (2018) Processes affecting the isotopic composition of dissolved iron in hydrothermal plumes: A case study from the Vanuatu back-arc. Chemical Geology, 476. 70-84 doi:10.1016/j.chemgeo.2017.11.005 | Journal (article/letter/editorial) | | (Bennett et al., 2009; Conway and John, 2014; M Ellwood et al., 2014; Rouxel et al., 2016; Severmann et...chimneys exhibit a high modal percentage of chalcopyrite, accompanied by pyrite and anhydrite with minor...Agilent 7500cs instrument (Agilent Technologies, USA) to quantify the concentration of particulate Fe...multi-element solutions (High Purity Standard Inc., SC, USA) at concentrations spanning the concentration range...into acid cleaned 60 ml Teflon vials (Savillex, USA) for digestion. Digestion utilized aqua regia and |  | | Journal (article/letter/editorial) | | hydrothermal silver-lead-zinc vein, Lucky Friday mine, Coeur d’Alene mining district, U.S.A. Patrick Nadoll*...samples from the Gold Hunter vein of the Lucky Friday mine revealed the presence of the rare iron oxide wüstite...and sphalerite with associated minor pyrite, chalcopyrite, and a complex suite of pyrrhotite, arsenopyrite...with coexisting magnetite (e.g., Dubrawski 1991; Ellwood et al. 1986; Gallagher and Warne 1981; Seguin 1966)...the Gold Hunter siderite vein of the Lucky Friday mine represents the first reported occurrence of wüstite |  | Busigny, Vincent, Chen, JiuBin, Philippot, Pascal, Borensztajn, Stephan, Moynier, Frederic (2018) Insight into hydrothermal and subduction processes from copper and nitrogen isotopes in oceanic metagabbros. Earth and Planetary Science Letters, 498. 54-64 doi:10.1016/j.epsl.2018.06.030 | Journal (article/letter/editorial) | | dissolution of chalcopyrite under oxidative conditions. Nitrogen is not detected in chalcopyrite or in any...isotope fractionation of ∼1.4h was obtained for chalcopyrite leaching under abiotic oxidative conditions...Laboratory experiments of Cu partitioning between chalcopyrite and fluid at high temperature (250 and 300 ◦...standard BCR-2 (from the Columbia River Valley, Oregon, USA). The average δ 65 Cu value was 0.13 ± 0.05h (2σ...μm) of chalcopyrite (CuFeS2 ) while N was not identified in any minor phase (including chalcopyrite). Chalcopyrite |  | | Book | | commercial ores and secondary minerals by state, county, township, and geologic range. For easy identification...61 232 PART The Making 43 II 5 7 3 III Mine PART 267 IV Glossary 279 Bibliography 291...cities, and many of today’s prosperous western county seats began as mining-boom camps. trating sand...Whether you such as those listed alphabetically by county, township, and range in Part II of this book. Where...minerals which make lovely cabinet specimens. old mine western states, to kick up and oxidation, |  | | Journal (article/letter/editorial) | | Fluid-Assisted Ore Remobilization at the Balmat Zinc Mine, NY Peter Matt, Wayne Powell, Ryan Mathur, William...Fluid-Assisted Ore Remobilization at the Balmat Zinc Mine, NY, Ore Geology Reviews (2019), doi: https://doi...Fluid-Assisted Ore Remobilization at the Balmat Zinc Mine, NY Peter Matt (1), Wayne Powell (1,2), Ryan Mathur...Center at CUNY, 365 Fifth Ave., New York, NY 10016, USA; petermatt49@gmail.com 2) Department of Earth and...11210, USA 3) Department of Geology, Juniata College, 1700 Moore St., Huntingdon, PA 16652, USA 4) 1 Indian |  | | Journal (article/letter/editorial) | | mineralization in the midcontinent rift system, North America Edward M. Ripley, Shuofei Dong, Chusi Li...mineralization in the midcontinent rift system, North America, Chemical Geology (2015), doi: 10.1016/j...mineralization in the Midcontinent Rift System, North America TE D MA NU Edward M. Ripley*1, Shuofei...the ~ 1.1 Ga Midcontinent Rift System (Fig.1) in North America can be broadly divided into three types... Principal sulfide minerals are pyrrhotite, chalcopyrite, cubanite and pentlandite. Minor minerals include |  | Parkman, R. H., Charnock, J. M., Bryan, N. D., Livens, F. R., Vaughan, D. J. (1999) Reactions of copper and cadmium ions in aqueous solution with goethite, lepidocrocite, mackinawite, and pyrite. American Mineralogist, 84 (3) 407-419 doi:10.2138/am-1999-0326 | Journal (article/letter/editorial) | | the case of Cu interaction with mackinawite, a chalcopyrite phase appeared to form, whereas interaction...interesting redox chemistry. Cadmium also occurs in mine wastes and as a waste from various industrial activities;...Fe monosulfides (Watson et al. 1994; Watson and Ellwood 1994; Morse and Arakaki 1993). Only Morse and Arakaki...sulfides. tained for the ternary sulfide mineral chalcopyrite. At the lowest loading, the XANES for Cu on...Cu or Fe atoms at 3.74 Å, as expected for a chalcopyrite-type phase (Parkman et al. 1996). EXAFS analysis |  | | Journal (article/letter/editorial) | | of Oceanography, University of Hawaii, Honolulu, USA SC RI (1) (4) NU Laboratoire des sciences de...and deep waters sampled at station BATS in the North Atlantic Ocean. Disparities in δ65Cu reported here...South and anthropogenic aerosol deposition to the North was seen in the sample set (Dulaquais et al., 2017;...kg-1 (Bruland and Franks, 1983; Thompson D and Ellwood, 2014; Vance et al., 2008) and Cu has a nutrient-like...kg-1; Fig. 2) entering the Mediterranean Sea above North Atlantic Central Waters AC (NACW) (Gascard and |
|
