 | | 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, pyrite...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) | | Stillwater mine (platinum, palladium, gold, rhodium, copper, and nickel), the Mineral Hill mine (gold and...the discovery and development of the Stillwater mine and the discovery of gold-copper-silver deposits...deposits in Archean rocks. J45< 111' Travertine mine Y»llowston» National Park Red Lodgechromite district...(gold-arsenic-tungsten-bearing veins). The Mineral Hill mine exploits an Archean lode gold deposit. In the northern...in the platinum-group elements). The Stillwater mine is developed on part of a Merensky Reef PGE deposit |  | | Report (issue) | | Information on the locations were obtained from the county reports and other literature. Even though the individual...references, and is organized alphabetically by county and district name. The locations of the districts...CHURCHILL COUNTY Alpine (Clan Alpine) Bernlce 18 N. 37 E. 19 N. 37 E. 22 N. 37 E. Au, Ag Vein/Shear...Vein/Shear zone Ag, Hg, Sb, Au Rhyodadte, Quartz Latite 90, 179 Slltstone, Shale, Sandstone, 3, 88... Fracture filling Felslte Dike Ag, Pb, Mo, V, Au, Zn, W Dolomite, Limestone 170, 179 Limestone |  | | Journal (article/letter/editorial) | | gold-calcrete anomalies in the western Gawler Craton, South Australia M.J. Lintern a,⁎, M.J. Sheard b , A.R...Survey Branch, Primary Industries and Resources (South Australia), Adelaide 5001, Australia GeoQuEST Research...Environmental Sciences, University of Wollongong, New South Wales 2522, Australia Received 28 September 2005;...August 2006 Editor: D. Rickard Abstract Elevated Au concentrations above bedrock mineralization are commonly...studies. Calcrete from Au deposits and prospects, and elsewhere in the Gawler Craton (South Australia) were |  | | Report (issue) | | from general usage. In some cases more than one mine or prospect are grouped under the same map number...alternate and generally less valid names for the mine or prospect preceding the parentheses. MAP COORDINATES...terminology. The terms mine, prospect, claim, and occurrence are used as follows: M--Mine: a mineral deposit...mineral deposits generally are geologically complex, a mine or prospect may contain more than one form of deposit;... ABBREVIATIONS USED Standard chemical symbols: for example, Au, gold; Cu, copper; Fe, iron; U, uranium; etc. RA: |  | | Report (issue) | | OPERATOR(S); E. Johnson and A. Johnson (1938) METALS; Au. CONTAINED METAL; GRADE(S); SIZE; N/A. N/A. N/A...in the upper Colorado Creek basin. FINENESS; Unknown. OTHER GEOLOGY; Gold fine; concentrates include...N. RNG; COMPANY OR PLACER OPERATOR(S); METALS: Au. AREA OR BASIN NUMBER; B LONG; 151 0 50'52 M W...(1980's). CONTAINED METAL: GRADE(S): SIZE: 3,800 g Au, 160 g Ag. N/A. N/A. PLACER TYPE(S): Stream....(Dillon, 1982); Ag production estimated using median Au content of samples (Hosier and Lewis, 1986) REFERENCES: |  | | Journal (article/letter/editorial) | | cite Silicifica- minerals Probablyabsent ppm Au Au Pyrite, magnetite,hema- Calcite Not recognized...7 ppm Lindquist(1980), Wright (1983) Unknown 19 Mr, 2.6% Au, 0.05% WOa Cu; 44 Mt, At leastpartly...Generally absent Australia Kidston, Queensland, Gneiss,granodiorite Middle Carboniferous 1/1 1,300...si- Ferberite, pyrite Quartz Nearby fault Unknown W lieifiea- Ishihara et al. (1980) tion K-feldspar-... Not recognized Rhyolitedikes 39 Mt, 1.76 ppm Au Bain et al. (1978), Placer Exploration Ltd. (1981) |  | | Report (issue) | | and occurrences in Sonora, North Baja California, South Baja California and the northern part of Chihuahua...located: Sonora, North Baja California (NBAJA), South Baja California (SBAJA), or Chihuahua. LATITUDE/LONGITUDE...commodities are listed by their chemical symbol (AU = gold, Pb = lead, etc.). Non-metallic commodities...used are as follows: L = Large Y = Yes (amount unknown) M = Medium N = No S = Small U = Uncertain EXP...Skarn Pb-Zn Skarn Fe Skarn Volcanic-Hosted Magnetite Au-Ag-Te Vein Comstock Epithermal Vein Creede Epithermal |  | | Report (issue) | | Tertiary time, but their prernetamorphie age is unknown. Intrusive rocks. About half of the outcrop area...southern Prince of Wales Island, and consist of Aq-, Au-, Cu-, and Zn-bearinq stratiform massive sulfide...Ordovician-Silurian rocks on Prince of Wales Island also host Ag-Au-Cu-Fe skarn deposits. The deposits are near Kasaan...rocks is in the Glacier Bay area, where stratiform Aq-Au-Cu-Zn deposits occur in Permian(?) andesite flows...stratiform massive sulfide deposits containinq Ag, Au, barite, Cu, Pb, and Zn occur in Upper Triassic |  | Santos, João Orestes Schneider, Groves, David Ian, Hartmann, Léo Afraneo, Moura, Márcia Abrahão, McNaughton, Neal Jesse (2001) Gold deposits of the Tapajós and Alta Floresta Domains, Tapajós–Parima orogenic belt, Amazon Craton, Brazil. Mineralium Deposita, 36 (3) 278-299 doi:10.1007/s001260100172 | Journal (article/letter/editorial) | | explored the region, always surrounding a known mine site. In some areas, exploration has reached the...setting The TapajoÂs gold province is located in the south-central part of the Amazon Craton (Fig. 1). Numerous...Amazon Craton adapted from Santos et al. (2000). South America insert indicates location of craton (black...north±north-west trend with a steep dip to the south±south-west. The primary bedding is subparallel to the...during metamorphism. Santos (1997) reported a north±south, vertical transcurrent sinistral system that cuts |  | | Report (volume) | | National Forest, South Dakota and Wyoming U.S. GEOLOGICAL SURVEY BULLETIN 1580 SOUTH DAKOTA WYOMING ...and Geology of the Black Hills National Forest, South Dakota and Wyoming We st from. Washington SHOWING...and Geology of the Black Hills National Forest, South Dakota and Wyoming By ED DEWITT, J. A. REDDEN, ANNA...114 Miscellaneous commodities 115 Utilization of mine tailings 115 Aluminum 115 Bentonite 115 Mineral...area of lands having high, moderate, low, and unknown mineral resource potential in and adjacent to the |  | Molnár, Ferenc, O’Brien, Hugh, Lahaye, Yann, Käpyaho, Asko, Sorjonen-Ward, Peter, Hyodo, Hironobu, Sakellaris, Grigorios (2016) Signatures of Multiple Mineralization Processes in the Archean Orogenic Gold Deposit of the Pampalo Mine, Hattu Schist Belt, Eastern Finland. Economic Geology, 111 (7) 1659-1703 doi:10.2113/econgeo.111.7.1659 | Journal (article/letter/editorial) | | the Archean Orogenic Gold Deposit of the Pampalo Mine, Hattu Schist Belt, Eastern Finland* Ferenc Molnár... SIGNATURES OF MULTIPLE MINERALIZATION PROCESSES, PAMPALO MINE, HATTU SCHIST BELT, FINLAND The Hattu schist belt...including the most significant one at the Pampalo mine, are located in the vicinity of granitoid plutons...galena and trace lead in native gold from the Pampalo mine. However, the effects of the Svecofennian overprint...of the major aims of our studies in the Pampalo mine was to evaluate the role of the felsic intrusions |
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