 | | Journal (article/letter/editorial) | | the Kalamazooportionof the San Manuel-Kalamazoo district,Pinal County,Arizona, has presentedan unparalleledopportunityfor...drilling(Lowell,1968) of the Kalamazoo portionof the district and in exploitationof the San Manuel portion....roughlyconalteration-mineralization zoning in these large de- centric zonal patterns. The deposit is generally...cp-gal,sl Au-Ag' VEINS VEINS PERIPHERAL cp-gel-el Au-Ag VEINLETS DISSEMII• ED DISS '4- MICRO VLTS...agesinto which South American porphyry depositsfor which de- the igneoushost rocksof the respective deposits |  | | Journal (article/letter/editorial) | | Zonation at the Surface over the El Salvador Porphyry Copper Deposit, Chile YASUSHI WATANABE†Institute for...alteration minerals exposed at the surface of the El Salvador porphyry copper deposit. A total of 276 samples...minerals from surface alteration assemblages at El Salvador that can be applied to generate clear exploration...assemblages at the surface over the El Salvador porphyry copper orebody, Chile (Fig. 1). Our goal is to better...distribution of supergene glassy limonite, goethite, hematite and jarosite assemblages reflects the underlying |  | | Book | | .....• ••~.. lnstituto Tecnol6gico i ~ GeoMinero de Espana Special Publication No. 8 f_o_r_G~e~o-lo_g_y_...CARDOZO Universidad Nacional de lngenieria, and Newmont Peru Limited Gerente de Exploraciones Av. Jose Galvez...CEDILW Facultad de Minas, Metalurgia y Geologia, Universidad de Guanajuato Ex-Hacienda de San Matias s/n...Prof. Dr. Lwfs FONTBOTE Departement de Mineralogie, Universite de Geneve 12, rue des Maraichers CH-1211...Programa de Geologia Econ6mica Aplicada, Universidad de Concepci6n Casilla 4107 Concepci6n, Chile ISBN |  | | Book | | label: Aerial view of the Bingham Canyon copper mine, Kennecott Utah Copper, September 2003. Photo courtesy...and CopperGold Deposits at Los Pelambres, Central Chile JosĂ© PerellĂł, Richard H. Sillitoe, Constantino...History of the RĂo Blanco-Los Bronces District, Central Chile: Development of World’s Greatest Known...Chuquicamata District, Northern Chile Geologic Overview of the Escondida Porphyry Copper District, Northern...Northern Chile Geology of the Bingham Canyon Porphyry Cu-Mo-Au Deposit, Utah Geology and Exploration Progress |  | | Book | | org/details/geologyofchile0000unse The Geology of Chile • The Geologica l Society of London Books Editorial...T. & GIBBO, s, W . (eds) 2007 . The Geology of Chile. The Geological Society, London. CHARRIER, R., PINTO...the Andean Orogeo in Chile. Jn: MORENO, T. & GrnsoNs, W. (eds) The Geology of Chile. The Geological Society...of Chile EDITED BY TERESA MORENO Earth Sciences Institute 'J aume Almera', Consejo Superior de I11vestigaciones...Grosjean 13. Field excursion from central Chile to the Atacama De<,crt. W. Gibbons & -1. Moreno 329 Refere |  | | Journal (article/letter/editorial) | | In studiesof porphyry copper depositsat E1 Salvador,Chile (Field and Gustafson, 1976), Mines GaspS, Quebec...havebeenappliedto identify Lithologicsetting In the Wallapai district, the Cerbat complex the sulfurisotopesignatureof...alteration,rhyoliticandintermediate the centerof the district,Precambrianfelsicandmafic dikes,and possibly,polymetallicquartz...are intrusive contact with the 1,740-Ma batholith. De- shownin Table 1. Note that severalvein stageswhich...1986, and Lang and Eastoe, 1988) Stage1 Early AM QM AC QP The pressurewasabout250 barsasearly, boiling |  | | Journal (article/letter/editorial) | | proposedilmenite-sphenebuffer at •800øC to the hematite-magnetitebuffer at •500øC. The highlyoxidizedconditionsare...gacityduringcrystallizationand subsolidus cooling Mesozoicmarine province (Speed, 1978) (Fig. 1). of the batholith.The emphasis...Precambrian teristics of the Ann-Masonporphyry copper de- cratonmarkedby the 0.7060 initial strontiumisoposit...and rassicpluton that hoststhree porphyry copper de- Dilles (1984) andJ. M. Proffettet al. (in prep.)...Dilles and sociatedwith severalcopper-ironskarns.These de- Wright (in press).The oldestrocksexposedin the posits |  | | Report (issue) | | Figure 5.--Hydrothermal alteration at the Brewer mine, 21 Chesterfield County, South Carolina Figure 6...from drill hole 8, 13.4 — 19.5 meters depth, Brewer mine area, South Carolina Table 2a.--Seimquantitative...analyses from U.S. Bureau of Mines drill holes, Brewer mine area, South Carolina Table 3.--Analyses of hard...hard rock with fresh pyrite from the Brewer mine area, South Carolina Table 4.--Analyses of 12 soil samples...JoEs. x 80*i. NeS RHirE,DE POSIT x NILLSOOROuG. WS( MAJOR HILL ..SRAOSnaw MINE x "AND miTCHELLS 1-1 |  | | Report (volume) | | -------5. Hydrothermal alteration at the Brewer mine, Chesterfield County, South Carolina ----------...from drill hole 8, 13.4-19.5 meters depth, Brewer mine area, South Carolina --------------------------... of hard rock with fresh pyrite from the Brewer mine area, South Carolina --------------------------...samples from U.S. Bureau of Mines drill holes, Brewer mine area, South Carolina --------------------------...~-------.r-' TENNESSEE NORTH CAROLINA Bradshaw mine and Mitchells Mt t \ rn ,:,EXPLANATION """ |  | | Report (issue) | | W. T. Schaller, Afwillite NMNH 95237 Dutoitspan Mine, Kimber¬ ley, South Africa Dutoitspan Ammonioborite...Sulphate Deposits of Northern from Soda Anorthite Chile. American Mineralogist, 23:669-760. NMNH Mediter¬...(M. Vonsen, 1920) NMNH 106112 from the Hillside Mine, Yavapai County, Ari¬ L. G. Berry, 1947. Composition...Aluminocopiapite NMNH 93834 Island Mountain, Mountain, from Mine, Yavapai County, Arizona (L. J. Cabri, 1976) Island...the Jarosite American Mineralogist, 12:424-426. Mine, Cobalt, Ontario, Canada Copiapite Tus¬ See reference |  | | Journal (article/letter/editorial) | | combinations of indigenousiron oxide mineralsthat include hematite,goethite, and jarosite. The distributionof thesemineralswas...kilometers east of La Caridad to form the Arroyo Cruz de southeast of the town of Nacozari. Cafiada, which...Importantmineralproductionin.the districtcomand Range province. The topographyof the area is rugged,with elevations...PORPHYRY COPPER DEPOSIT 1061 the Pilares copper mine by the Phelps Dodge triangulargrid andthe centr...announcedin in streamsediments of the Arroyo Cruz de Cafiada early 1970 by the Mexican Government,total |  | Oyarzun, R., Ortega, L., Sierra, J., Lunar, R., Oyarzun, J. (1998) Cu, Mn, and Ag mineralization in the Quebrada Marquesa Quadrangle, Chile: the Talcuna and Arqueros districts. Mineralium Deposita, 33 (6) 547-559 doi:10.1007/s001260050171 | Journal (article/letter/editorial) | | mineralization in the Quebrada Marquesa Quadrangle, Chile: the Talcuna and Arqueros districts Received: 18...1998 Abstract The Quebrada Marquesa Quadrangle in Chile exhibits a series of mineralizations comprising...of both manganese and copper in the Talcuna mining district. Extensional faulting during Tertiary time...(veinrelated), chalcocite, sphalerite, pyrite, hematite, digenite and covellite. Alteration processes... Oyarzun (&) Departamento de Cristalografõ a y Mineralogõ a, Facultad de C.C. GeoloĂ‚gicas, Universidad |  | deMelo, Gustavo H. C., Monteiro, Lena V. S., Xavier, Roberto P, Moreto, Carolina P. N., Santiago, Erika S. B., Dufrane, S. Andrew, Aires, Benevides, Santos, Antonio F. F. (2017) Temporal evolution of the giant Salobo IOCG deposit, Carajás Province (Brazil): constraints from paragenesis of hydrothermal alteration and U-Pb geochronology. Mineralium Deposita, 52 (5) 709-732 doi:10.1007/s00126-016-0693-5 | Journal (article/letter/editorial) | | evolution of the giant Salobo IOCG deposit, Carajás Province (Brazil): constraints from paragenesis of hydrothermal...copper-gold deposit is located in the Carajás Province, Amazon Craton. Detailed drill core description...assemblages have been overprinted by post-ore hematite-bearing potassic and propylitic alteration, which...Barra Keywords Salobo . IOCG deposits . Carajás Province . U-Pb geochronology Electronic supplementary...Edmonton, AB T6G 2E3, Canada 4 Departamento de Operações de Cobre Atlântico Sul – DIOC, Serra dos Carajás |  | | Book (edition) | | Ercit (Canada). Alexander Falster (USA). Jeffrey de Fourestier (Canada). Robert Gault (Canada), Joel...ACGAEC Acra del XV Co11greso Geologico Argentino, El Ca/afate ACSc Acta Clremica Sca11di11a1•ica AE...\lim•ra/ogica ASG ASJS,\' Arc:hil-1.•s de Science G,•111.½·e Atti de/la Sod,•ta ltalicma di Scienze Natura/i...1·exactas,jisicos y natura/es. Unil'ersidad nacicmal de Cordoba Bulletin of the Geologica/ Society of Finland...Geo/ogical Sciences Bulletin de ,\lineralogie and its precursors Boletin de Minera/ogia (Sociadad Mexicana |  | 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) | | Vol. 98, 2003, pp. 339–366 The Tuscarora Au-Ag District: Eocene Volcanic-Hosted Epithermal Deposits in...Mexico Bureau of Geology, New Mexico Institute of Mining and Technology, Socorro, New Mexico 87801 RICHARD... California 94025 Abstract The Tuscarora mining district contains the oldest and the only productive...productive Eocene epithermal deposits in Nevada. The district is a particularly clear example of association of... and Carlin-type deposits may lie beneath the district. Introduction 120° Period Source Au (oz) |  | Runyon, Simone E., Seedorff, Eric, Barton, Mark D., Steele-MacInnis, Matthew, Lecumberri-Sanchez, Pilar, Mazdab, Frank K. (2019) Coarse muscovite veins and alteration in porphyry systems. Ore Geology Reviews, 113. 103045 doi:10.1016/j.oregeorev.2019.103045 | Journal (article/letter/editorial) | | Laramide arc in Arizona, as well as at the Yerington district in Nevada. This work describes coarse muscovite...(Kelvin-Riverside district), E- Sycamore Canyon, the New Cornelia mine (Ajo district), and two systems...systems in the Yerington district. Muscovite is the dominant mica in these coarse muscovite veins and associated...K-feldspar and albite (An00-06), common accessory hematite, rutile, pyrite, and apatite, and rare accessory...many deposits in the Basin and Range extensional province has exposed deep and distal portions of certain |  | | Book | | Mineralization 4.10. A Comprehensive Example: The Cree de District, Colorado, USA 4.11. Summary 4.12. Recommended...useful (e.g., red pigment in the form of earthy hematite) or valuable (e.g., native gold and gemstones)...disseminating the information, the mine geologists and mine managers who have made the mine visits a rewarding experience...concentration required to achieve the break-even point for a mine in terms of revenue and costs. Any detailed exploration...epochs. Following Tumeaure (1955), a metallogenic province may be defined as a mineralized area or region |  | | Journal (article/letter/editorial) | | variety of fluid-inclusiontypes is present in the district, reflecting chemicallyand physicallydiversefluids...105o22'$0" COLORADO ..' BUB/..INGTON .." 'as MINE ,' .. -... ../•..a..•, ...... Ăź Ăź oO ,- ...smallersodicgranitestockthat forms the center of the mining district (Fig. 1). The youngersetsof faultscut both...limits to the depth of intrusion and mineralization. QM /• QL Celeshte ore depositssuggesta possibleOligoceneage...Generalized paragenetic diagram for the Jamestown district. There are five distinct erostonal surfacesin |  | | Report (issue) | | Cordillera Porphyry Copper Deposits from Alaska to Chile THIS PAGE INTENTIONALLY BLANK Dear Field Trip...of the Arizona Geological society, society for Mining, Metallurgy and Exploration Inc., and the U. s...We also want to thank collectively, all of the mining companies and staff who graciously allowed us to...a near surface chalcocite blanket deposit, (2) a de~p level bulk sulfide deposit and (3) a copper-molybdenum...changes to quartz-sericitechlorite-pyrite with minor hematite and kaolinite. With the exception of outlying |  | | Journal (article/letter/editorial) | | [2,6] and from anthropogenic sources such as acid mine drainages [17,18] can lead to drinking water contamination...ranging from Southern Bangladesh, India, Argentina, Chile, and Vietnam have groundwater sources with As concentrations... Minerals 2014, 4 211 the use of quantum mechanics (QM) techniques for studying the properties of As adsorption...experimental and other modeling methods, because QM results can be useful for interpreting experimental...data, which can be difficult to interpret, or with QM results [72,73]. 1.6. Studying As Adsorption with |  | | Book (edition) | | • t --•- """"" ' The Lornex copper-molybdenum mine and plant, Highland Valley, British Columbia. (By...measurements have been retained in specific cases such as mine levels when measured in feet, values of gold and...inhabited continent. Also, to those exploration and mining geologists, and the personnel of foreign geological...Cheney, F. W. Christiansen, W. J. Christiansen, G. de V. Klein, E. Erickson , M. P. Erickson, R. R. Shrock...L. Jensen Salt Lake City, Utah CONTENTS "The mining industry is infinitely worse off today than it |  | Boekhout, Flora, Spikings, Richard, Sempere, Thierry, Chiaradia, Massimo, Ulianov, Alexey, Schaltegger, Urs (2012) Mesozoic arc magmatism along the southern Peruvian margin during Gondwana breakup and dispersal. Lithos, 146. 48-64 doi:10.1016/j.lithos.2012.04.015 | Journal (article/letter/editorial) | | CH-1205 Geneva, Switzerland ISTerre, UniversitĂ© de Grenoble 1, IRD, CNRS, BP 53, F-38041 Grenoble cedex...plutonic belt that extends southwards to central Chile (28°S). Jurassic plutonic rocks of the Ilo Batholith...the coastal region of southern Peru and northern Chile. The highest levels of the Ilo Batholith intrude...max 162 Ma 09FB117: 167 Ma 07FB26: max 166 Ma Alto el Madero 09FB58: 167 Ma ha ru Pe 09FB56: 164 Ma ...09FB52 rn 09FB51 Ilo ith ol th Ba AMCG suite Chile 17°30 09FB104: 174 Ma 09FB102 09FB101: 152 Ma |  | | Journal (article/letter/editorial) | | 1298-1309 THE MANTO-TYPE GOLD DEPOSITS OF ANDACOLLO (CHILE) REVISITED: A MODEL BASED ON FLUID INCLUSION...ROSARIO LUNAR, Departamento de Cristalograffa y Mineralogfa, Facultad de C.C.Geol6gicas, Universidad...Universidad deLa Serena, Casilla554,La Serena, Chile Introduction modelbasedontheAndacollo intrusion...theporphyry butsome4 kmaway.Furthermore, fluidevoluof Chile at 30ø14'S to 71ø06'W, some 55 km southeastof La...conDunkerIcy,1991).At present,miningactivityin the district sists largelyofthevolcanic-volcaniclastic Quebrada |  | | Report (issue) | | _ Oso Canyon Formation _________________ _ Meeke Mine Formation ________________ _ Rock units of central...____________________ _ Horned Toad Formation ________________ El Paso Mountains area ________ -_----------Goler Formation...possible occurrences of borate minerals_ Discovery and mining of borate minerals___ _ __ Geology of known borate..._________________ 33 21, 22. Central and eastern El Paso Mountains __ 34-35, 36 23. Stoddard well ar..._________ _ _ _ _ __ __ 72, 73 46, 47. Kramer borate district-----------------~- 74,75 48. Muroc and Stone House |  | | Report (volume) | | ____________ ----- _______________ .._______ History of mining ____ --------- _________________________ -----__...Honduras-------------~----------------------------------- El Quetzal mine_______________________________________..._________ Siria mine ________________________ ------------- __ ----Los Hornitos mine ______ ;_______...mine____________________________________ La Uni6n mine ________________ -----------------------(}uatem...Tablas deposit_____________________________________ El Carrizal prospect ___ -------------------------- |
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