 | | Journal (article/letter/editorial) | | Occurrence in Carroll County, Georgia" (November/December 1988). Banks County 184 ROCKS & MINERALS...Bentley provided many of the photographs. Baldwin County Milledgeville district—between the State Sanitarium...pit—east of S.R. 243 near the Baldwin-Wilkerson County line: kaolinite (Martin and Stafford, 1972). Cheatham...property—Route 3, Commerce, 4.8 km from the Jackson County line, 8 km east of Commerce on S.R. 59, and...Calgary] at 09:55 07 August 2017 Barrow County Arnold mine—1.6 km northeast of Statham, near the head |  | | Report (issue) | | MICA, GRAPHITE, ETC. MICA DEPOSITS OF WESTERN NORTH CAROLINA/ By DOUGLAS B. STERKETT. INTRODUCTION. Though...relative rank, are given by G. CK Smith 6 as North Carolina, Colorado, New Hampshire, Georgia, South Dakota...the total production, amounting to $201,155, North Carolina is credited with over two-fifths. During some...domestic production. The mica deposits of western North Carolina have been examined by several.investigators-in...work by the writer, under the direction of the North Carolina Geological Survey, chiefly during the field |  | | Report (issue) | | PLANT OF THE S'I'ANDARD PYRITES COMPANY, CHEROKEE COUNTY. GEOLOGICAL SURVEY OF GEORGIA S. W. McCALLIE.....•.............•...• 7-8 GENERAL GEOLOGY OF NORTH GEORGIA • . . • . . . . . • . . . . . . . . . ............................................... . Carolina gneiss .........................................replacements ........................................ . Pyrrhotite veins ............................................................................. . Carroll County belt ......................................... |  | Borg, G., Karner, K., Buxton, M., Armstrong, R., Merwe, S. W. v. d. (2003) Geology of the Skorpion Supergene Zinc Deposit, Southern Namibia. Economic Geology, 98 (4) 749-771 doi:10.2113/gsecongeo.98.4.749 | Journal (article/letter/editorial) | | within the siliciclastic host rocks on the west and north. The nonsulfide ore minerals comprise predominantly...The primary sulfide minerals comprise pyrite, pyrrhotite, sphalerite, minor chalcopyrite, and galena as...approximately 40 km north of the Orange River and some 15 km north-northwest of the Rosh Pinah mine in the southernmost...de Villiers (1947), McMillan (1968), Davies and Coward (1982), von Veh (1993), Frimmel et al. (1996a,...Nolloth zone (after McMillan, 1968; Davies and Coward, 1982; von Veh, 1993; Frimmel et al., 1996a, b) |  | | 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 |  | | Journal (article/letter/editorial) | | that includes the Dominion Group (Fig. 1B and C; Jackson, 1992; Johnson et al., 2006). It is overlain by...the stratigraphy are available in SACS (1980), Coward et al. (1995), Phillips and Law (2000), Frimmel...each goldfield (Fig. 2A and B; Myers et al., 1990; Coward et al., 1995). Regional greenschist facies metamorphism... 1989; Berlenbach, 1995; Coetzee et al., 1995; Coward et al., 1995; Jolley et al., 2004). However, despite...and Evander goldfields, to chlorite–kyanite– pyrrhotite in the West Rand goldfield (Phillips, 1987a; |  | | Journal (article/letter/editorial) | | concordantsill-like body within gneissiccountry essentially of pyrrhotite,pen.tTHE Pikwe orebody is the largest of three...which dies out rapidly downplunge. Dips, Selebi North depositshave .beenwritten by Gordon li.mb,in(1973);...rocks the oreOver the major part of 3 shaftdrive north and the body forms a sill of massiveor, more rarely...orizons 6. Ore horizon Hostamphibolitewith pyrrhotite,chalcopyrite, pentlandire, and magnetite 5....biotite and pyrrhotitecan be tion of 4 shaftdrive north (Fig. 5a) wherethey regardedas beingvery ,closeto |  | Basson, I.J., McCall, M.-J., Andrew, J., Daweti, E. (2018) Structural controls on mineralisation at the Namib Lead and Zinc Mine, Damara Belt, Namibia. Ore Geology Reviews, 95. 931-944 doi:10.1016/j.oregeorev.2018.03.028 | Journal (article/letter/editorial) | | Controls on Mineralisation at the Namib Lead and Zinc Mine, Damara Belt, Namibia I.J. Basson, M.-J. McCall...Controls on Mineralisation at the Namib Lead and Zinc Mine, Damara Belt, Namibia, Ore Geology Reviews (2018)...Controls on Mineralisation at the Namib Lead and Zinc Mine, Damara Belt, Namibia I.J. Bassona,c,*, M.-J. McCalla...Gardner Williams Ave, Somerset West, South Africa b North River Resources, 84 Dr Frans Indongo Street, Windhoek...Africa Abstract The Namib Lead and Zinc (Pb-Zn) Mine is hosted within the Karibib Formation of the Swakop |  | | Journal (article/letter/editorial) | | Louisiana State University, Baton Rouge, LA 70803, USA Camborne School of Mines, The University of Exeter...Ocean between the Indo-Pakistan and Asian plates (Coward et al., 1986; Tahirkheli et al., 1979; Zaman and...rocks (Bard et al., 1980; Coward et al., 1986; Jan, 1988). From south to north, the KAS consists of the...igneous ultramafic rocks can be seen. The Gujar Kili mine area, where serpentinites are lacking and only carbonate-rich...are i) in the Gujar Kili village, and ii) just north of Mingora (Figs. 2, 3 and 4). The deposit at Gujar |  | | Book (volume) | | .......................................346 North Carolina ........................................................................................356 North Dakota ...............................................................................427 South Carolina ...............................................................548 Table of Maps Page Alabama County Map ...................................................................................4 Alaska County and Stream Map ............................... |  | Guy, B. M., Ono, S., Gutzmer, J., Lin, Y., Beukes, N. J. (2014) Sulfur sources of sedimentary “buckshot” pyrite in the Auriferous Conglomerates of the Mesoarchean Witwatersrand and Ventersdorp Supergroups, Kaapvaal Craton, South Africa. Mineralium Deposita, 49 (6) 751-775 doi:10.1007/s00126-014-0518-3 | Journal (article/letter/editorial) | | Technology, 77 Massachusetts Avenue, Cambridge, MA 02139, USA S. Ono e-mail: sono@mit.edu Y. Lin e-mail: yinglin@ustc...Hospital Hill and Government subgroups (Beukes 1995; Coward et al. 1995; Schmitz et al. 2004). Alternatively...older sediments (Myers et al. 1990; McCarthy 1992; Coward et al. 1995). Marine incursions are recorded at...collected from fresh drill-core and underground mine workings from the East Rand, Central Rand, West...gold fields (Fig. 1b). Sampled reefs include the North, Carbon Leader, Main Reef Leader, Main, Middelvlei |  | | Report (issue) | | COVER PHOTO : Gold nugget from Dukes Creek, White County, weight 5 oz., 12 dwt., approx. 2x. BACK COVER...approx. 1.5x. Lower left - Goethite from Pulaski County, approx. lx. Right - Magnetite crystal face showing.................................... ·. . . . . Pyrrhotite . . . . . . . . . . . . . . . . . . . . . . ............................................. 170 County Index ...........................................from Washington and Bleck ley counties to Irwin county. Some minerals described herein have never been |  | | Report (volume) | | Counties, Georgia, and ·· Clay and Macon Counties, North Carolina U. S. GEOLOGICAL SURVEY B Geology, Geochemistry...Counties, Georgia, and Clay and Macon Counties, North Carolina By john D. Peper, Frank G. Lesure, Leslile...Counties, Georgia, and Clay and Macon Counties, North Carolina I by John D. Peper ... [et al.]. p. em. - (U...Ga., was established as a wilderness by the North Carolina Wilderness Act of 1984 (Public Law 98-324,...1984) . The Southern Nantahala Roadless Area, Rabun County, Ga., and Buzzard Knob Roadless Area, Rabun and |  | | Report (issue) | | the 4,500 tonnes of gold estimated by Teal and Jackson (1997), Muntean (2006), and Driesner and Coyner...Leonardson and Rahn, 1996; Streiff, 2000; Teal and Jackson, 1997; Ye and others, 2003). In such cases, previously...‘Accurate’ is a verified location based on a surface mine, tailings, or surface disturbance supported with...Silurian-Devonian age rocks, found mostly in the north Carlin Trend in northeastern Nevada. Less prominent...and others, 2003; Chakurian and others, 2003; Jackson and others, 2002; Liu and others, 2000; Mao and |  | | Book | | ----------------------Pyroxenes ----------------------Pyrrhotite _______________________ Quartz ----------------------...but with your cupped band sweep some of the gas coward your nose. Notice that the sulfur dioxide bas a...co magnetic uincral;. Il1o ,e the magnet dowly coward a piece of n:agnecicc or p:e~c of icon. b d:,ing... the magnet arm nearest the mineral will swing coward it. Strongly magnetic minerals will pull the magnet...good deposits in Arkansas. The most famous diamond mine is the Kimberley, but this once richest of all diamond |  | | Journal (article/letter/editorial) | | adapted from Brock (1961), François (1993) and Jackson et al. (2003). Basement subdivision in Kafue basement...and Cailteux, 1999; Porada and Berhorst, 2000; Jackson et al., 2003; Selley et al., 2005). Variable deformation...parallel to the structural grain (Cosi et al., 1992; Jackson et al., 2003; Eglinger et al., 2016; Turlin et...Swardt and Drysdall, 1964; Daly et al., 1984; Jackson et al., 2003; Selley et al., 2005). In the Eastern...Eastern Middle Lufilian zone, both around and farther north of the Kafue basement inlier, deformation in the |  | Robb, L. J., Charlesworth, E. G., Drennan, G. R., Gibson, R. L., Tongu, E. L. (1997) Tectono‐metamorphic setting and paragenetic sequence of Au‐U mineralisation in the Archaean Witwatersrand Basin, South Africa. Australian Journal of Earth Sciences, 44 (3) 353-371 doi:10.1080/08120099708728317 | Journal (article/letter/editorial) | | intrusions at 2740-2690 Ma (Meyer et al. 1994). To the north and west of the Witwatersrand Basin evolution of...associated with a bend in a large strike-slip shear (Coward et al. 1995). The uplifted core of the structure...association of the Dominion Group (Marsh et al. 1989; Jackson 1992) suggest that the succession was deposited...rift basin (the Dominion Basin) associated with north-northeasttrending faults. Significantly, the lavas...intersected by east-westtrending left-lateral, and north-south-trending right-lateral, oblique-slip faults |  | | Journal (article/letter/editorial) | | Mesozoic/ Cainozoic Atlantic continental margin of the USA (Preiss, 1983b). Cambrian sedimentation: Phase 3...: ., ~ ~ c ,. k .... .- - Glen Os"nond Mine .k:,~r~. /4.-..-~-. s Hil,~. PENINSULA ~,~'-...~'- <~ % T l,..-/~" t ~BIIlII t1%~':: t'~~ Mine~lt "~X ~ /o-~" " . . . . ' / ,/--'~i De Ic...i prom,qe-I ~m.c m.::,4",et tn "] ~ ar'omc y ';. Mine i" / t l ' ~ ~ "~" T~"./Coornondook \1 ~maP "'...regional model and emphasize dramatic changes from north to south across the island, and between Kangaroo |  | | Journal (article/letter/editorial) | | mesoscale observations and may be derived from mine plans and sections. Evidence substantiating the...Wales. His current position is Senior Geologist, North-Eastern Region, in the Geological Survey, and is...Singhbhum copper belt (India). From the Mesaboni Mine, they recorded elongate pyrite grains defining a...resulting in linear fabrics (Maiden, 1983 ). Pyrrhotite Pyrrhotite typically displays evidence for ductile...its common presence in massive sulphide ores, pyrrhotite grain-shape may be used as an indication of ductile |  | | Report (chapter) | | hosted within units of the Bulawayan Group (Fig. 1). North of Kadoma, the Basaltic Unit of the Bullawayan is...be synthesized into a regional structural From COWARD,M. E & RIES, A. C. (eds), 1995, Early Precambrian...Patchway and Golden Valley deposits, a key area to the north of Kadoma close to the major Lily fault, which shows...to that of the Limpopo belt and Kaapvaal craton (Coward 1976). Strong compressional tectonics were active...craton were influenced by this. Studies such as Coward et al. (1976) and Key & Hutton (1976) recognized |  | Masurel, Quentin, Thébaud, Nicolas, Miller, John, Ulrich, Stanislav, Hein, Kim A.A., Cameron, Greg, Béziat, Didier, Bruguier, Olivier, Davis, James A. (2017) Sadiola Hill: A World-Class Carbonate-Hosted Gold Deposit in Mali, West Africa. Economic Geology, 112 (1) 23-47 doi:10.2113/econgeo.112.1.23 | Journal (article/letter/editorial) | | with Senegal to the west and Mali to the east and north. Abbreviations refer to plutons mentioned in the... with gold deposits located along higher order north-trending splays (e.g., Yalea Shear) and NNE-trending...2015). However, the development of the Sadiola Hill mine began in 1992 and was based on proven and probable...mapping was completed on all accessible ramps of the mine at the Sadiola Hill deposit. Detailed section logging...field. All structural readings are given in true north coordinates. Planar features were reported in strike/dip/ |  | | Journal (article/letter/editorial) | | occurred since the operation of the Radium Hill U mine (Fig. 1) between 1954 and 1961 (Forbes 1991). The...epigenetic, hydrothermal, volcanogenic or exhalative (Coward 1971; Dickson 1974; Pitt 1978; Stevens et al. 1990;...Sulphide-rich samples have thus been obtained from mine dumps and from thirty exploration drillcores taken...Services, Brisbane). XRD was carried out on 14 pyrrhotite samples in order to determine their crystal structure...Characteristics of sulphide mineralisation Pyrite, pyrrhotite, chalcopyrite, sphalerite, galena a n d ars e |  | | Thesis/Dissertation | | GEOCHEMISTRY OF THE KANSANSHI CU-(AU) DEPOSIT, NORTH-WESTERN PROVINCE, ZAMBIA by Timothy J. Mac Intyre...Engineering ii ABSTRACT The Kansanshi Cu-(Au) mine exploits a structurally controlled deposit hosted...southern Africa. It is currently the largest active Cu mine in Africa, with a total endowment of nearly 12 Mt...Domain is separated from the overlying Kansanshi Mine domain by the Evaporitic Sequence, a >300 m thick...of vanished evaporites. The base of the Kansanshi Mine domain is represented by the Dolomitic Sequence |  | | Report (issue) | | 5.1 cm high from Eagle's Nest mine in Placer County, Caifornia, USA Collection Marlin Zinn; photo Jeff...International, LLC P.O. Box 263, East Hampton, CT 06424, USA Phone 1.860.267.1512; fax 1.860.267.7225 www.lapisint...Lapis International, LLC East Hampton, Connecticut USA Collection 'Alan Table of Contents What Is Gold...Weiner Page 4 North America's First Gold Rush: Gold Fever in the Southeastern USA . . . . . . . .P...Dermot Henry and Bill Birch The Rush for Gold Turns North to Canada and Alaska . . . . . . . . . . . . . |  | | Journal (article/letter/editorial) | | the deepseated metagabbros of the Kohistan Arc, north Pakistan, were investigated to evaluate the distribution...1983; Coward et al. 1986). The Kohistan Arc is separated from the Karakoram block in the north by the...Belt) and garnet granulite (the Jijal Complex) from north to south (Fig. 1). The Chilas Complex occupies a...stratiform body that represents a sub-arc chamber (Coward et al. 1986). More than 85% of the Chilas Complex...section, with the shallower Chilas Complex in the north and the deeper Jijal Complex in the south (Yoshino |
|
