 | | Journal (article/letter/editorial) | | AucusT, 1975 The PorphyryCopperDepositat E1 Salvador,Chile LEWIS B. GUSTAFSON AND JOHN P. HUNT Abstract...copper deposit at E1 Salvador culminated volcanic activity in the Indio Muerto district. Host rocks for the...porphyry series. However, rhyolitic volcanismin the district was clearly more felsic than younger granodioritic...rutile857 No. 5 The PorphyryCopperDepositat E1 Salvador,Chile Fig. 1. Aerial view of Cerro Indio Muerto... Volcanic peaks of the high Cordillera,the Salar de Pedernales,and low hills underlain by folded Mesozoicsedimentsand |  | | 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...HEDENQUIST 70 W 68 W Quebrada Blanca (35) Rosario (33) El Abra (37) Radomiro Tomic (34-32) Chuquicamata (33 |  | Gustafson, L. B., Orquera, W., McWilliams, M., Castro, M., Olivares, O., Rojas, G., Maluenda, J., Mendez, M. (2001) Multiple Centers of Mineralization in the Indio Muerto District, El Salvador, Chile. Economic Geology, 96 (2) 325-350 doi:10.2113/gsecongeo.96.2.325 | Journal (article/letter/editorial) | | of Mineralization in the Indio Muerto District, El Salvador, Chile LEWIS B. GUSTAFSON,† 5320 Cross Creek...89511 WALTER ORQUERA, CODELCO-Chile, Division Salvador, El Salvador, Chile MICHAEL MCWILLIAMS, Department...AND MARCELLO MENDEZ CODELCO-Chile, Division Salvador, El Salvador, Chile Abstract The porphyries that...that formed copper deposits in the Indio Muerto district include both 44 Ma rhyolitic subvolcanic intrusions...intruding host andesite at the northeast end of the district. Very weak Cu but much stronger Mo mineralization |  | | Report (issue) | | Copper Mountain (British Columbia, Canada) and El Teniente (Chile) porphyry copper deposits..................porphyry copper deposits include El Teniente and El Salvador in Chile, Bajo de la Alumbrera in Argentina, Grasberg...which will vary with the price of copper and local mining costs. At Dos Pobres, Arizona, from the top of...regional faults such as near deposits in northern Chile (Behn and others, 2001; Gow and Walshe, 2005), central...the date of a study, considering the extent of mining at that date. At Batu Hijau, Indonesia, Arif and |  | | Journal (article/letter/editorial) | | below the Porphyry Copper Orebodyat E1Salvador,Chile LEWIS B. GUSTAFSON 5320 Cross Creek Lane, Reno,...89511 ANDJORGE QUIROGAG.* Codelco-Chile,DivisionE1Teniente,Rancagua,Chile Abstract Three diamonddrill holes...holes,angledbelow the lowesthaulagelevel at E1 Salvador,have doubledthe verticalexposureof the depositand...the mine were proposedto the management DURINGthe developmentandoperationof the E1Salvador mine by the...The drilling * Presentaddress:TVX Minerals Chile, Avenida 11 de Septiembre waspostponedandnevercarriedout |  | | 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 """ |  | | Journal (article/letter/editorial) | | Stuttgart, February 2014 Article Hydrothermal corundum, topaz, diaspore and alunite supergroup minerals...the intrusive rocks. Deep level, corundum-sericite-feldspar-, corundum-quartz-, and quartz-diaspore-topaz-APS...undersaturation and the formation of corundum-sericite at Koryfes Hill. The corundum-quartz assemblage at St Demetrios...Episodic magmatic-hydrothermal activity in the district is characterized by several stages of advanced...high-sulfidation mineralization. Key words: Hydrothermal corundum, topaz, diaspore, aluminum-phosphate-sulfate minerals |  | | Journal (article/letter/editorial) | | in magmatic arc settings. At the regional and district scales, the occurrence of many deposits in belts...central Chile; A.J. Wilson, writ. commun., 2009) and Mo (2.5 Mt: El Teniente, central Chile; Camus, 2003)...Los BroncesRío Blanco El Teniente Mamut Grasberg-Ertsberg Ok Tedi Cerro de Pasco & Colquijirca Choquelimpie...Cerro Colorado Collahuasi dist. Bau Batu Hijau El Abra Cabang Kiri Chuquicamata dist. Koloula Frieda...Wafi-Golpu Gaby El Salvador Potrerillos Marte & Caspiche Taca Taca Bajo Bajo de la Alumbrera (Farallón |  | | Journal (article/letter/editorial) | | north-northeast–trending, high-grade zone had pre-mining dimensions of 1,500 m strike, >300 m vertical,...sericite, K-feldspar, biotite, andalusite, and local corundum containing disseminated bornite-chalcopyrite-gold...Nash, 1976; Eastoe, 1978; Bodnar, 1995; Heinrich el al., 1999; Ulrich et al., 1999, 2002; Audetat et...between grades of copper and gold relative to district structure, vein types, and alteration in the context...in grade across intrusive contacts, we augmented mine blast hole and diamond drill hole assays with assays |  | | Report (issue) | | need for a compilation of Spanish geological and mining terminology that goes beyond the few Spanish-English...terms, which have grown out of five centuries of mining tradition in Latin America, and frequently draw...California Bolivia Brazil California Central America Chile chemistry Colombia crystallography Cuba Ecuador...Bolivia Brasil California (EE.UU.) America Central Chile quimica Colombia cristalografia Cuba Ecuador frances...estadistica Santo Domingo levantamiento suroueste de las EE. UU. Uruguay Estados Unidos variedad verbo |  | Khashgerel, B.-E., Rye, R. O., Kavalieris, I., Hayashi, K.-i. (2009) The Sericitic to Advanced Argillic Transition: Stable Isotope and Mineralogical Characteristics from the Hugo Dummett Porphyry Cu-Au Deposit, Oyu Tolgoi District, Mongolia. Economic Geology, 104 (8) 1087-1110 doi:10.2113/gsecongeo.104.8.1087 | Journal (article/letter/editorial) | | Hugo Dummett Porphyry Cu-Au Deposit, Oyu Tolgoi District, Mongolia BAT-ERDENE KHASHGEREL,1,† ROBERT O....porphyry Cu-Au deposits within the Oyu Tolgoi mineral district, Mongolia, occur in a northnortheast–trending...characterized by minerals that include andalusite, corundum, diaspore, residual quartz, alunite plus alum...deposits (Lowell and Guilbert, 1970), notably at El Salvador, Chile (Gustafson and Hunt, 1975), concluded that...studies—Lepanto-Far Southeast, Philippines; El Salvador and El Teniente, Chile; Panguna, PNG; Endeavour 26, Australia; |  | | Journal (issue) | | y Price Avthority Published b y Engineering and Mining Journal Since 1930 VoL. 35, No. 52 Secor,d clon...upgrading other stockpile 1netals and ores. Mining companies and mining state Congressmen can be counted on to...Goldsfields of Australia, Utah Construction and Mining, and Cyprus Mines - \vhich will s upply 16.5-million...This opens the door for Hanna Mining- through its St. John d'el Rey Mining - to start immediate development...Bethlehem Steel is also cnvolvcd through the Antunes Mining group. Hanna has already presented plans to develop |  | | Journal (article/letter/editorial) | | University, Bellingham, Washington 98225 Abstract Mine exposures and deep drilling reveal that the Butte...largely overthrown by O and H isotope data from El Salvador (Watanabe and Hedenquist, 2001), Far Southeast...2004), Alumbrera (Harris et al., 2005), Refugio district (Muntean and Einaudi, 2001), the Endeavor 26 North...1) on the 2,000-, 3,400-, 4,200-, and 4,600-foot mine levels (Fig. 2). Details of spatial distribution...been intersected in the geometric center of the district (Fig. 3), but is also intersected beneath the |  | | Journal (article/letter/editorial) | | al. 1998), Maricunga, Chile (MUNTEAN & EINAUDI 2001), Nevados de Famatina, Chile (PUDACK et al. 2009)...described in several porphyry systems, e.g. El Salvador, Chile (WATANABE & HEDENQUIST 2001), Hugo Dummett...2009), Resolution, USA (WINANT 2010), Yerington district, USA (LIPSKE & DILLES 2000), Rosia Poieni, Romania... andalusite, pyrophyllite, kaolinite-dickite, corundum, diaspore, alunite, topaz, tourmaline, dumortierite...Summitville, USA, La Granja, Peru, La Escondida, Chile (STOFFREGEN & ALPERS 1987), Valence Mountains and |  | | Journal (article/letter/editorial) | | porphyry copper deposits, such as those at El Salvador, Chile (Gustafson and Hunt, 1975), and Butte, Montana...at depth in the porphyry copper deposit of El Salvador, Chile. They pointed out that potassic alteration...(1980) argued that the sericitic alteration at El Salvador developed in the retrograde period of the system’s...acidic volatiles. The zoning of alteration at El Salvador may be due to different fluids, with the deep...formed by a low-salinity fluid. Corundum is found at depth in the El Salvador deposit, usually associated |  | | Journal (article/letter/editorial) | | products and framboidal pyrite oxidation in acid mine drainage prediction techniques—P.A. Weber, W.A....M. Reddy 497 549 563 591 BULLETIN DE LA SOCIÉTÉ GÉOLOGIQUE DE FRANCE Vol. 175, No. 5, 2004 Subduction-related...data, Muskoka and Shawanaga domains, Grenville province, Ontario—Trond Slagstad, Michael A. Hamilton,...Sudbury impact structure at the Thayer Lindsley mine, Ontario—J. Bailey, B. Lafrance, A.M. McDonald,...141 157 175 La mine médiévale d’argent du Pontet, une fente alpine contemporaine de la surrection des |  | | Journal (article/letter/editorial) | | of Diamonds is an abandoned diamond mine (the only diamond mine in the U. S.) that has been opened up...following the installation. The restrictions are de- item, on some minerals of Middlesex signed to conserve...Mrose, of the uncommon to the United States. The de- U.S. Geological Survey, recently con358 ROCKS AND...studies of the altered triplite from the local Swanson Mine showed that the little tabular crystals which I...come from a strip mine (coal) in Henry County, 111. "They are all from a strip mine, one of many that |  | | Report (chapter) | | (aq) + 3 H+(aq) (5) or the similar alunite-to-corundum reaction (Stoffregen and Cygan 1990). These reaction...0.5m (K,Na)2SO4 − 0.3m H2SO4 solutions to form corundum. When the initial H2SO4 concentration was 1.0...from thermodynamic data on alunite, hematite, and corundum using the method of Helgeson et al. (1978). These...Escondida, a porphyry copper deposit in northern Chile, is somewhat richer in phosphate and Sr than are...advanced argillic alteration assemblages at the Temora mine in New South Wales, Australia, contain alunite, |  | Field, C.W., Zhang, L., Dilles, J.H., Rye, R.O., Reed, M.H. (2005) Sulfur and oxygen isotopic record in sulfate and sulfide minerals of early, deep, pre-Main Stage porphyry Cu–Mo and late Main Stage base-metal mineral deposits, Butte district, Montana. Chemical Geology, 215 (1) 61-93 doi:10.1016/j.chemgeo.2004.06.049 | Journal (article/letter/editorial) | | Main Stage base-metal mineral deposits, Butte district, Montana C.W. Fielda,*, L. Zhanga, J.H. Dillesa...isotopes; Contamination 1. Introduction The Butte mining district in southwestern Montana is preeminent not only...Century. In addition, for 90 years or more, the district has been the location of numerous industry, government...Geological setting Mineral deposits of the Butte district are located near the southern end of the Late...1999) indicates that the present exposures in the district represent original depths of 7 to 8 km, which |  | | 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 José Perelló, Richard H. Sillitoe, Constantino...History of the Río 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 (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 |  | | Journal (issue) | | Trebisky and S. B. Keith The Minerals of the Zinc Hill Mine, Inyo County, California..........................c o rc l W \ Beryl. The Hiddenite and Emerald mine, near Stony Point, Alexander County, North Carolina...PERI LITHON BOOKS Box 9996, 5372 Van Nuys Ct. San Diego, CA 92109 P.O. BOX 487-MF, YUCAIPA, CALIF. 92399...made his mark in a tourmaline find at the B.B. #7 mine in north Norway, Maine, and came to fame as the...Maine, and proceeded to learn Maine’s pegmatites by mining them. He has, over the years, mined commercial-grade |  | | 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 |  | | Journal (article/letter/editorial) | | Dudleyville, Tallapoosa Co., Ala., is found a deposit of corundum that is mostly loose in the soil. ARIZONA—"Under...for the Riverside Cement Company as the Assistant Mine Superintendent. W e are operating in two areas at...well picked over. The Chino limestone which we are mining near Commercial has few of the interesting minerals...The marl had been dug out of a dredged >_anal. DISTRICT OF COLUMBIA—John O. Griesbach, 12217 Centerhill...sends in some ROCKS AND MINERALS notes on the District. In his letter, dated Dec. 26, 1954, he writes: |
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