 | | 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 |  | | Journal (article/letter/editorial) | | Georgia (Cook 1982), Tennessee (Paris 2011), North Carolina (Kenny Gay, pers. comm., 2012; Wilson and ...Bassett Stone Company quarry at Monticello, Wayne County, Kentucky, ca. 1962. Shown are the older underground...from the Bassett Stone quarry at Monticello, Wayne County, Kentucky. Terry Huizing specimen and photo. Figure...Catnip Hill facility near Nicholasville, Jessamine County, Kentucky. Harris Precht specimen, Terry Huizing...Catnip Hill facility, Nicholasville, Jessamine County, Kentucky. Harris Precht specimen, Terry Huizing |  | | 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 |  | | Journal (article/letter/editorial) | | Vein Formation, and Sulfide Deposition PATRICK B. REDMONDâ ,* 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-northeastâtrending, high-grade zone had pre-mining...dominant orientations; north-northeastâ and northweststriking. Dikes have a north-northeast strike but...local corundum containing disseminated bornite-chalcopyrite-gold. EDM halos are cut by multiple generations |  | | 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...Amphibolite _________ - ___ --- __ -- __ -Origin of the Carolina gneiss ___________ -Plutonic rocks ___________________...deposits ___________________________________ _ Redmond lead-zinc mine ________________________ _ History ___ |  | | 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: |  | 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,âĄâĄ MARCEL GUILLONG,1,§ AND...transported to the base of the orebody. Bornite, chalcopyrite, and native gold were precipitated in a narrow...metal concentrations, based on observations of chalcopyrite daughter crystals (e.g., Roedder, 1971; Nash...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 |  | Torremans, Koen, Kyne, Roisin, Doyle, Robert, GĂŒven, John F., Walsh, John J. (2018) Controls on Metal Distributions at the Lisheen and Silvermines Deposits: Insights into Fluid Flow Pathways in Irish-Type Zn-Pb Deposits. Economic Geology, 113 (7) 1455-1477 doi:10.5382/econgeo.2018.4598 | Journal (article/letter/editorial) | | tennantite, boulangerite, guitermanite, and chalcopyrite in the near hanging wall or along faults (Taylor...Dark Limestones (âCalpâ) Fingal Group Suprareef NORTH MIDLANDS PROVINCE (NAVAN) Tober Colleen Muddy...Limerick province (Silvermines and Lisheen) and the North Midlands province (e.g., Navan). These lithostratigraphic...drill core logs, assays (Pb, Zn, and sparse Ag), mine plans with geology and structures, and geologic...intervals along development drives of the entire mine, and surface geologic maps. This study has built |  | 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...subdivided into four subtypes, comprising sphalerite-chalcopyrite veins, tetrahedrite veins, enargite-pyrite-quartz...veins consist of varying amounts of pyrite, chalcopyrite, sphalerite, galena, tennantite, gold, and enargite...the Front Range, ~60 km west of Denver, in Gilpin County, Colorado (Fig. 1a). Central City and other historic...was reported to consist of varying amounts of chalcopyrite, sphalerite, galena, sulfosalts (tennantite |  | Nahnybida, Taras, Gleeson, Sarah A., Rusk, Brian G., Wassenaar, Len I. (2009) Cl/Br ratios and stable chlorine isotope analysis of magmaticâhydrothermal 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 |  | | Journal (article/letter/editorial) | | frequent stops to buy or collect specimens, tour a mine, or see a particular geological wonder. Rock Shops...of sphalerite, galena, calcite, dolomite, and chalcopyrite from the TriVolume 78, March/April2003 101...lead-zinc district, several hundred miles to the north; drusy quartz and barite from the Potosi area of...Route 270. Jim Colemanâs shop (fig. 4), 14 miles north of Hot Springs on State Highway 7, has changed with...fifty-cent collecting fee to the mine was waived. Ron Coleman has that mine today. A prominent sign at Blue |  | Liu, Chang, Xue, Chunji, Chi, Guoxiang, Zhao, Xiaobo, Li, Ye (2018) Geology, geochronology and geochemistry of the Dabate CuâMo deposit, northern Chinese Tien Shan: Implications for spatial separation of copper and molybdenum mineralization. Ore Geology Reviews, 92. 542-557 doi:10.1016/j.oregeorev.2017.12.002 | Journal (article/letter/editorial) | | 1975; Landtwing et al., 2010; Sillitoe, 2010; Redmond and Einaudi, 2010). On the other hand, Cu and Mo...Shan is located between the Junggar Terrane to the north and the Central Tien Shan Terrane to the south....separated from the Alataw Continental Basin to the north by the Bortala River Fault (Li and Qin, 1989), and...the Borohoro Island-arc Belt to the south by the North Borohoro Mountain Fault (Gu et al., 2014). It contains...and carbonate rocks which outcrop in the Sayram LakeâWenquan area. The Upper Paleozoic strata consist |  | | Journal (article/letter/editorial) | | quartzâpyriteâarsenopyrite (Stage 1), quartzâpyriteâchalcopyrite (Stage 2), and late quartzâpyriteâgalenaâsphalerite...China at the boundary between the Siberian and North China cratons. Northeast China forms the eastern...There are three types of orebody in the Jinchang mine (Figure 2): breccia-hosted ore (No. J-0, J-1, 2... (Figure 3A). The hypogene minerals are pyrite, chalcopyrite, galena, sphalerite, and arsenopyrite, as well...Breccia-hosted ore; (C) ore cross-cut by a quartzâpyriteâchalcopyrite vein; (D) veinlets and stockworkâvein mineralization; |  | Yu, , Li, , Wang, , Wang, (2019) Fluid Evolution and Ore Genesis of the Qibaoshan Polymetallic Ore Field, Shandong Province, China: Constraints from Fluid Inclusions and HâOâS Isotopic Compositions. Minerals, 9 (7) 394 doi:10.3390/min9070394 | Journal (article/letter/editorial) | | quartzâpyriteâspeculariteâgold (Stage 1), quartzâpyriteâchalcopyrite (Stage 2), and quartzâcalciteâpyrite (Stage...quartzâpyriteâspecularite (Stage 1), quartzâpyriteâchalcopyrite (Stage 2), and quartzâgalenaâsphalerite (Stage...belt. Subduction of the Yangtze Craton beneath the North China Craton was followed by collision between these...were generated following the collision between the North China Craton and the Yangtze Cratonfeatures [14...and generated followinghave the collision between North Craton and theofYangtze Craton The were Late Jurassic |  | 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) | | The Carbonate-Hosted Lisheen Zn-Pb-Ag Deposit, County Tipperary, Ireland M. W. HITZMAN,â Department of...School of Mines, Golden, Colorado 80401 P. B. REDMOND, Department of Earth and Environmental Sciences...Abstract The Lisheen Zn-Pb-Ag deposit, located in County Tipperary in southeast-central Ireland, consists...underground exposures that have become available since mine development began in 1997. To document the distribution...Derrykearn prospect where it is terminated by a north-trending fault zone. The map also shows the extent |  | | Journal (article/letter/editorial) | | (Moore 1975; Taylor 1984; Andrew 1986b; Hitzman, Redmond and Shearley personal communications 1991, 1992;... although evaporites are more extensive in the North West Basin. Dolomitic alteration is associated intimately...Laterally equivalent to the Waulsortian to the north, is the ``Reef Equivalent'', a micrite interbedded...in the clastic rocks are a series of quartz-chalcopyrite veinhosted deposits. These are in Variscan dextral...Where copper is present, it is generally as chalcopyrite, often associated with siliciÂźcation and dol- |  | | Report (issue) | | ________ ___ __ _______ __ _____ ____ __ ____ _ Salt Lake County_____________________________________________...district_ ____ ____ _____ __ __ __ _______ ___ North Tin tic district_______________________________________...__________ Redmond district __________________________________ _:________ Millard County _______________...__ ___ __ __ _________ ____________ ____ _ Beaver Lake district_______________________________________...Beaver County. 5. Map showing oxidized zinc deposits in the Park City district, Summit County. 6. Sketch |  | Brodbeck, M., McClenaghan, S. H., Kamber, B. S., Redmond, P. B. (2022) Metal(loid) Deportment in Sulfides from the High-Grade Core of the Bingham Canyon Porphyry Cu-Mo-Au Deposit, Utah. Economic Geology, 117 (7) Society of Economic Geologists, Inc. 1521-1542 doi:10.5382/econgeo.4954 | Journal (article/letter/editorial) | | contain elevated Bi, Ag, Te, and Se relative to chalcopyrite, whereas the latter contains elevated concentrations...more pronounced in digenite and bornite than in chalcopyrite. The related diminishing concentration per rock...hypogene Cu-(Fe) sulfides in porphyry ores, chalcopyrite (e.g., George et al., 2018), and bornite (e...examined the hypogene Cu minerals, comprising chalcopyrite, bornite, and digenite from the high-grade ore...the deposit, referred to as the QMP-LP zone by Redmond (2002). The Bingham Canyon deposit has been mined |  | | Journal (article/letter/editorial) | | crowded granodiorite porphyry. Cu-Fe sulfides (chalcopyrite > bornite) at Botija are largely disseminated...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 |  | Stefanova, E., Driesner, T., Zajacz, Z., Heinrich, C. A., Petrov, P., Vasilev, Z. (2014) Melt and Fluid Inclusions in Hydrothermal Veins: The Magmatic to Hydrothermal Evolution of the Elatsite Porphyry Cu-Au Deposit, Bulgaria. Economic Geology, 109 (5) 1359-1381 doi:10.2113/econgeo.109.5.1359 | Journal (article/letter/editorial) | | representing a hot hydrostatic regime. Bornite, chalcopyrite, and magnetite seem to be slightly later precipitated...460°C. The next, economically most important chalcopyrite-pyrite stage is largely devoid of quartz precipitation...Quiroga, 1995; Redmond et al., 2001; Proffett, 2003, 2009; Masterman et al., 2005; Redmond and Einaudi,...quartz with fluid inclusion petrography (e.g., Redmond et al., 2004; Rusk et al., 2004, 2008; Landtwing...formation of the main mass of vein quartz and sulfide (Redmond et al., 2004; Landtwing et al., 2005; Rusk et al |  | | Journal (article/letter/editorial) | | the predominant type of CuâFe sulfide, i.e., chalcopyrite or bornite. Primary magma source probably contributes...rock density of 2.5 g/cm3 (2.85 g/cm3 for Butte, USA: Rusk et al. 2008). Where no indication of uncertainty...Schaft Creek (Liard) Island Copper Bell (Babine Lake) Ely Bingham Recsk Tongchang (Dexing) Agua Rica...22 Roedder (1981), 23 Bauer et al. (1966), 24 Redmond et al. (2004), 25 Herrington et al. (2003), 26...observed in many deposits (e.g., for Bingham Canyon: Redmond et al. 2004) and expected in an overall cooling |
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