 | Markowski, AgnĂšs, Vallance, Jean, Chiaradia, Massimo, FontbotĂ©, LluĂŹs (2006) Mineral zoning and gold occurrence in the Fortuna skarn mine, Nambija district, Ecuador. Mineralium Deposita, 41 (4) 301-321 doi:10.1007/s00126-006-0062-x | Journal (article/letter/editorial) | | zoning and gold occurrence in the Fortuna skarn mine, Nambija district, Ecuador Received: 24 February 2005...May 2006 # Springer-Verlag 2006 Abstract The Fortuna oxidized gold skarn deposit is located in the northern...northern part of the Nambija gold district, southern Ecuador. It has been subdivided into four mineralized...which are named from north to south: Cuerpo 3, Mine 1, Mine 2, and Southern Sector. Massive skarn bodies...intrusion which crops out below the skarn bodies in Mine 2 and the Southern Sector. Endoskarn alteration |  | | Report (issue) | | deposit. Table 4, part B, gives an alphabetic list of mine and properties followed by the deposit name. CHARACTERISTICS...fissure fillings, i.e., deposits in the Sierra Nevada, California (Clark, 1970); Klamath Mountains, California-Oregon...California-Oregon (Hotz, 1971); and Bridge River Camp, British Columbia, Canada (Barr, 1980). They may...likely to be present include pyrite, galena, sphalerite, and arsenopyrite (Berger, 1986). These minerals...ore is associated with some veins in the Sierra Nevada and was locally worked with the vein deposits (Clark |  | | Report (issue) | | MINERALS OF NEVADA MINERALS OF NEVADA Peer Hen By CASTOR oan eGORY.C.oFER DOCK NEVADA AND BUREAU... UNIVERSITY Reno & Las Vegas OF NEVADA PRESS GEOLOGY Nevada Bureau of Mines and Geology Special...University of Nevada Press, Reno, Nevada 89557 USA Copyright © 2004 by University of Nevada Press Photographs...otherwise noted Map of Mining Districts and significant mineral occurrences of Nevada by Nevada Bureau of Mines...Cataloging-in-Publication Data Castor, Stephen B, Minerals of Nevada / Stephen B. Castor and Gregory C. Ferdock.â Ist | | | Report (issue) | | MINERALS OF NEVADA MINERALS OF NEVADA STEPHEN B. CASTOR and G R EGOR Y C . F E R D OC K l NEVADA BUREAU...association with the UNIVERSITY OF NEVADA PRESS Reno & Las Vegas Nevada Bureau of Mines and Geology Special...University of Nevada Press, Reno, Nevada 89557 USA Copyright© 2004 by Uni versity of Nevada Press Photographs...Districts and si gnificant minernl occurrences of Nevada by Nevada Bureau of Mines and Geology All rights reserved...-Publ ication Dat,i Castor, Stephen B. Minerals of Nevada/ Stephen B. Castor and Gregory C. Ferdock.- rst |  | | Report (issue) | | Scalemodelecaltydomessery Clay, GRISEMSMS wate Gn GOaNe MininG Districts vce oh with RApIAL ae TE ee PRE...cerstsieecisGA oes Me a rSISTeave ayers Siea TOE Goldiielde Nevada sre wae oe ier leer LONG INUDEN ee Wey Nop Noy...Detwieccnmpasinsmancialip hits mamryt cetera MINING DISTRICTS, ASSOCIATED WITH CA NTICEINES eerie... cri c-cateis se Siotarea alten eC Antelope; Nevada ive scssien nae cvattetie a avese ontrodece: ectoe...Oe Ue PASSO lalsuckorecoer els ES Jarbridgey âNevada ssc.cd ce seis sere eats Oh oie Sole tak rN Ocampo: |  | | Report (issue) | | description of the geology, mining history, and production of the major gold-mining districts in 21 States...relations ---------------------------History of gold mining and trends in production_ J\labama -----------...--------------Cleburne County ----------~----------------- Tallapoosa County --------------------------Alaska...Inlet-Susitna region --------------------Copper River region -------------------------Kuskokwim region...------------------Cochise County -----------------------------Gila County --------------------------------Greenlee |  | | Report (issue) | | ARIZONA LODE GOLD MINES AND GOLD MINING by Eldred D. Wilson, J. B. Cunningham, and G. M. Butler Bulletin...Arizona Tucson ARIZONA LODE GOLD MINES AND GOLD MINING by Eldred D. Wilson, J. B. Cunningham, and G. M...Mines Bulletin No. 137, ARIZONA LODE GOLD MINES AND MINING, was originally issued in 1934 in response to the...and, in view of the restrictions placed on gold mining during the war, it was not considered necessary...which deals with the laws and regulations governing mining, however, have been deleted, inasmuch as many of |  | | Journal (article/letter/editorial) | | 1âą88, pp. 1583-1596 Ore Deposits at the Fresnillo Mine, Zacatecas,Mexico DELFINO C. RUVALCABA-RUIZ PasajeE...Chimneyand mantobodiescontainpyrite, pyrrhotite,sphalerite,chalcopyrite,galena, tetrahedrite,marcasite,arsenopyrite...proustitc,miargyrite,polybasite, tetrahedrite,galena,sphalerite,and chalcopyrite.Individualveinsexhibitincreasingsilver...values,with galenadepletedin 34Swith respectto sphalerite. Galenab34S valuesfromall deposittypesat Fresnillovarybetween-4...surface)level. Introduction hills, Loma de la Fortuna, Cerro Proafio, and Cerro Populo, with reliefs |  | | Journal (article/letter/editorial) | | LONG-LIVED HYDROTHERMAL SYSTEM IN THE FRESNILLO SILVER DISTRICT, MEXICO: CONSTRAINTS FROM 40Ar/39Ar GEOCHRONOLOGY...Environmental Sciences Department, New Mexico Institute of Mining and Technology, Socorro, New Mexico 87801 2New...and Mineral Resources, New Mexico Institute of Mining and Technology, 801 Leroy Place, Socorro, New Mexico...and dikes are the youngest igneous rocks in the district. Spatial association of Tertiary volcanic rocks...sulfate alteration, and epithermal veins makes the district ideal for evaluating the temporal relations between |  | Vallance, Jean, FontbotĂ©, LluĂs, Chiaradia, Massimo, Markowski, AgnĂšs, Schmidt, Susanne, Vennemann, Torsten (2009) Magmatic-dominated fluid evolution in the Jurassic Nambija gold skarn deposits (southeastern Ecuador) Mineralium Deposita, 44 (4) 389-413 doi:10.1007/s00126-009-0238-2 | Journal (article/letter/editorial) | | Aslund 1998). The Nambija oxidized gold skarn district is one of the main gold producers of Ecuador (see...40 km west of the Peruvian border (Fig. 1). The district includes several mines detailed in Fig. 1 and...The results of previous studies on the Nambija district (Vallance et al. 2003; FontbotĂ© et al. 2004; Markowski...mineralogical zonation has been observed at the mine scale, except at Fortuna. The main ore mineral associated with...endoskarn titanite from porphyritic intrusions at Fortuna and Campanillas as well as ReâOs ages of post-gold |  | Ossandon C., G., Freraut C., R., Gustafson, L. B., Lindsay, D. D., Zentilli, M. (2001) Geology of the Chuquicamata Mine: A Progress Report. Economic Geology, 96 (2) 249-270 doi:10.2113/gsecongeo.96.2.249 | Journal (article/letter/editorial) | | 2001, pp. 249â270 Geology of the Chuquicamata Mine: A Progress Report GUILLERMO OSSANDĂN C., CODELCO-Chile...LEWIS B. GUSTAFSON,â 5320 Cross Creek Lane, Reno, Nevada DARRYL D. LINDSAY, SRK Consultores, Santiago,...digenite, covellite, pyrite, and minor coarse sphalerite, along with sericite, and locally alunite but...distinguish from supergene covellite. Rims of sphalerite on primary sulfides, almost invariably with inner...0361-0128/01/3133/249-22 $6.00 249 250 OSSANDĂN ET AL. The sphalerite rims are interpreted by most as supergene, but |  | | Report (issue) | | 1987 INTRODUCTION A significant proportion of mining industry's interest in the last few years has been...Battle Mountain Gold Company's Fortitude deposit, Nevada and Experanza Exploration's Red Dome deposit, Queensland...Columbia; Salsigne, France; Pamlico, Nevada; Red Cloud, Nevada; Island Copper, British Columbia; Ban...Bi-bearing skarns (Stormant) are known in the Moina Mining District, Tasmania, Australia, which is largely known...Gold Company; and Edward I. Bloomstein of Santa Fe Mining. GEOLOGIC DESCRIPTION Deposit type: Other Names: |  | | Report (issue) | | . . . . . . . . . . . . . . . . . 1 Chapter I. Mining Districts of Counties and the State of Utah. .... . . . . . . . . . . . . . . . . . . . . . . 1 County Listings. . . . . . . . . . . . . . . . . . . ... . . . . . . . . . . . . . . . . 1 Chapter II. Mining Districts of Utah . . . . . . . . . . . . . . .... . . . . . . . 4 Mineral Localities Listed by County . . . . . . . . . . . . . . . . . . . . . . . .... . . . . . . . . . . . . . . . . . . 7 Beaver County . . . . . . . . . . . . . . . . . . . . . . . |  | | Report (volume) | | ....................................... 102 District of Columbia ............................................................................ 187 Nevada..................................................to refer to Geological Survey Bulletin 507, "The mining districts of the western United States," and to...abundant it may have been completely exhausted by mining or quarrying. Deposits of minerals that are widely...because they occur in sufficient quantity to warrant mining for their usual products, but because they furnish |  | | Report (volume) | | it helpful to refer to Survey Bulletin 507, "The mining districts of the western United States," and to...abundant, it may have been completely exhausted by mining or quarrying. Deposits of minerals of wide distribution...because they occur in sufficient quantity to warrant mining for their usual products but because they furnish...E. H. Barbour, University of Nebraska, Lincoln. Nevada...........Dr. W. S. Tangier Smith, Berkeley, Cal...See Bauxite and Hallpysite. Asbestos. Tallapoosa County, with corundum deposits near Dudleyville; not found |  | Skirrow, R.G, Camacho, A, Lyons, P, Pieters, P.E, Sims, J.P, Stuart-Smith, P.G, MirĂł, R (2000) Metallogeny of the southern Sierras Pampeanas, Argentina: geological, 40Arâ39Ar dating and stable isotope evidence for Devonian Au, AgâPbâZn and W ore formation. Ore Geology Reviews, 17 (1) 39-81 doi:10.1016/s0169-1368(00)00004-4 | Journal (article/letter/editorial) | | AgâPbâZn sulfideâquartz veining in the El Guaico district Ćœ386 " 4 Ma, sericite., and W-bearing quartz vein...the geology of principal deposits in all major mining districts of the project areas, and were supported...which to reassess the metallogeny of this historic mining region. 2. Geological setting and tectono-magmatic...Duraznito WâAu; Ćœ5. Las Aguilas NiâCu; Ćœ6. La Carolina district AuâAg; Ćœ7. San Francisco del Monte de Oro. 44...of La Rioja ĆœFig. 3., and in the Santo Domingo district in the Province of San Luis ĆœFig. 1.. 4.1. Rıo |  | | Journal (article/letter/editorial) | | Mineralization in the Getchell and Twin Creeks Deposits, Nevada John A. Groff PII: DOI: Reference: S0169-1368(18)30361-5...Mineralization in the Getchell and Twin Creeks Deposits, Nevada, Ore Geology Reviews (2018), doi: https://doi.org/10...Mineralization in the Getchell and Twin Creeks Deposits, Nevada John A. Groff Department of Earth and Environmental...Environmental Sciences, New Mexico Institute of Mining and Technology, 801 Leroy Place, Socorro, New Mexico 87801...mineralization in the Getchell and Twin Creeks deposits, Nevada was undertaken to determine the origin(s) of Late-stage |  | Valencia-Moreno, MartĂn, CamprubĂ, Antoni, Ochoa-LandĂn, Lucas, Calmus, Thierry, MendĂvil-Quijada, HĂ©ctor (2017) Latest Cretaceous-early Paleogene âboomâ of porphyry Cu mineralization associated with the Laramide magmatic arc of Mexico. Ore Geology Reviews, 81. 1113-1124 doi:10.1016/j.oregeorev.2016.05.005 | Journal (article/letter/editorial) | | trending copper belt that extends from southwestern USA to southern Mexico. The copper mineralization is...Sonora, which are the El Pilar, Los Humos, and Fortuna del Cobre. The El Pilar deposit is located ~44...2014). The westernmost and older deposit is the Fortuna de Cobre, which is located ~180 km northwest of...and Valencia, 2014). ED The Buenavista del Cobre mine is the core of one of the larger porphyry copper...world (Bushnell, 1988), referred to as the Cananea district. It includes PT Milpillas, Lucy, Mariquita, |  | Izaguirre, Aldo, Iriondo, Alexander, Kunk, Michael J., McAleer, Ryan J., Atkinson, William W., MartĂnez-Torres, Luis M. (2017) Tectonic Framework for Late Cretaceous to Eocene Quartz-Gold Vein Mineralization from the Caborca Orogenic Gold Belt in Northwestern Mexico*. Economic Geology, 112 (6) 1509-1529 doi:10.5382/econgeo.2017.4519 | Journal (article/letter/editorial) | | 20192, USA of Geological Sciences, University of Colorado at Boulder, Boulder 80309, Colorado, USA of Geology...Colorado School of Mines, Golden 80401, Colorado, USA 6 Departamento de GeodinĂĄmica, Universidad del...Juneau, and Port Wells) and Canada (e.g., Bridge River). After a process of crustal shortening/thickening...copper-molybdenum porphyry belt (CMPB US-MEX). Colorado River Fairbanks/ Tintina Klondike Age 104â61 Ma Park...provinces or belts ages (Ma) La Pinta Bridge River Noche Buena Tajitos 30° ja Age ~68â64 Ma Hillsboro |  | Castor, S. B., Boden, D. R., Henry, C. D., Cline, J. S., Hofstra, A. H., McIntosh, W. C., Tosdal, R. M., Wooden, J. P. (2003) The Tuscarora Au-Ag District: Eocene Volcanic-Hosted EpithermalDeposits in the Carlin Gold Region, Nevada. Economic Geology, 98 (2) 339-366 doi:10.2113/gsecongeo.98.2.339 | Journal (article/letter/editorial) | | Tuscarora Au-Ag District: Eocene Volcanic-Hosted Epithermal Deposits in the Carlin Gold Region, Nevada STEPHEN...B. CASTOR,â Nevada Bureau of Mines and Geology, University of Nevada, Reno, Reno, Nevada 89557 DAVID...Reno, Nevada 89511 CHRISTOPHER D. HENRY, Nevada Bureau of Mines and Geology, University of Nevada, Reno...Reno, Nevada 89557 JEAN S. CLINE, Geoscience Department, University of Nevada, Las Vegas, Nevada 89154-4010...Mexico Bureau of Geology, New Mexico Institute of Mining and Technology, Socorro, New Mexico 87801 RICHARD |  | | Report (issue) | | Metallurgist MARK EHLE, Mining Engineer J. B. TENNEY, Geologist G. R. FANSETT, Mining Engineer R. E. S. HEINEMAN..."The Geology and Mineral Deposits of Southern Yuma County" is the most pretentious bulletin of the kind that...in many parts of the county, it has not been easy to prospect southern Yuma County at all thoroughly, but...__________ . __ .____ _____ ______ __. General mining history_______________________ __________ ._______________...46 46 46 47 47 48 PART H.-MOUNTAIN RANGES AND MINING DISTRICTS .............. CHAPTER L-TRIGO MOUNTAINS |  | O'Neil, J. R., Silberman, M. L., Fabbi, B. P., Chesterman, C. W. (1973) Stable isotope and chemical relations during mineralization in the Bodie mining district, Mono County, California. Economic Geology, 68 (6) 765-784 doi:10.2113/gsecongeo.68.6.765 | Journal (article/letter/editorial) | | 1-0.2 for silicates,0.1 for O TM The Bodie mining district, which produced$30 and 0 3 of calcitesand waters...ranges 8 m.y.ago (Silbermanet al., 1972). The district is underlainby a sequenceof porinvestigated. Precisionof...Geologic mapandcross sections of theBodie mining district, modified fromSilberman et al.,1972.Location...ses of a larger intrusive southernpart of the district,the veins containmore of sulfidesand massat depth... of an irregular,faulted, dump of the Red Cloud mine contained galena, north-trendinganticlineintrudedby |  | Staude, S., Mordhorst, T., Neumann, R., Prebeck, W., Markl, G. (2010) Compositional variation of the tennantiteâtetrahedrite solid-solution series in the Schwarzwald ore district (SW Germany): The role of mineralization processes and fluid source. Mineralogical Magazine, 74 (2) 309-339 doi:10.1180/minmag.2010.074.2.309 | Journal (article/letter/editorial) | | tetrahedrite solidsolution series in the Schwarzwald ore district (SW Germany): The role of mineralization processes...(âfahloreâ) from 78 locations in the Schwarzwald ore district of SW Germany. Electron microprobe analysis is...fahlore, tennantite, tetrahedrite, Schwarzwald ore district, Black Forest, hydrothermal mineralization. Introduction...for Pb and Ag (Goldenberg and Steuer, 2004), and mining activities continued in medieval and modern times...2004). Geological setting The Schwarzwald ore district (SW Germany) is part of the European Variscan |  | | Journal (article/letter/editorial) | | Carlin-Type Gold Deposit, North-Central Nevada JEAN S. CLINEâ University of Nevada, Las Vegas, 4505 Maryland Parkway...Parkway, Box 454010, Las Vegas, Nevada 89154-4010 Abstract Pregold mineralization at the Getchell Carlin-type...trace chalcopyrite, arsenopyrite, galena, and sphalerite. The pyrite is moderately coarse and, in thin...Getchell and adularia at the nearby Twin Creeks mine, respectively, most closely approximate the timing...gold production is supplied by the state of Nevada (Nevada Bureau of Mines and Geology, 1999), and most |  | | Report (volume) | | ----------------Introduction History of placer mining in Arizona ----------~-------'----------------Purpose...- -------- - --- ----------------------Cochise County ____ __ ___ l. Dos Cabezas and Tevis1ton districts...Courtland-Gleeson district (Turquoise district) --------------------3. Bisbee-Warren district (Gold Gulch placer)...-----------------------4. Huachuca placers (Hereford or Hartford district) -----------------Other d~tricb -------------...5. California district ---------------------------------------------6. Pearce district ------------- |
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