 | Higueras, Pablo, Oyarzun, Roberto, Oyarzún, Jorge, Maturana, Hugo, Lillo, Javier, Morata, Diego (2004) Environmental assessment of copper–gold–mercury mining in the Andacollo and Punitaqui districts, northern Chile. Applied Geochemistry, 19 (11) 1855-1864 doi:10.1016/j.apgeochem.2004.04.001 | Journal (article/letter/editorial) | | copper–gold–mercury mining in the Andacollo and Punitaqui districts, northern Chile Pablo Higuerasa,*,...Universidad de La Serena, Casilla 554, La Serena, Chile d Departamento de Minas, Facultad de Ingenierıa...Universidad de La Serena, Casilla 554, La Serena, Chile e Escuela Superior de Ciencias Experimentales y...y Matematicas, Universidad de Chile, Casilla 13518 Correo 21, Chile Received 8 December 2003; accepted...one of the richest producers of Cu, Au and Hg in Chile, and some of the deposits have been mined almost |  | | Book | | Universidad de Concepci6n Casilla 4107 Concepci6n, Chile ISBN 978-3-642-88284-5 DOI 10.1007/978-3-642-88282-1.... . . . 37 The Metalliferous Ore Deposits of Chile and Argentina, and Their Geologic Framework J. Oyarzun... . . . . . . . . 147 X Contents El Aguilar Mine: An Ordovician Sediment-Hosted Stratiform Lead-Zinc...Sulfides in the Greenstone Belt of South-Central Chile - An Overview G. Alfaro and S. Callao . . . . ....Formation and Massive Sulfide Orebodies, South-Central Chile: Geologic and Isotopic Aspects S. Callao, G. Alfaro |  | | Journal (article/letter/editorial) | | National University] at 06:43 31 December 2014 mine in Colorado, and they found virtually the entire...among others, chalcopyrite, galena, sphalerite, pyrite, acanthite, bornite, calcite, dolomite, siderite...are examples of chalcopyrite, cuprite, covellite, pyrite, bournonite, and sphalerite after tetrahedrite...though small 2.4-cm tetrahedrite and pyrite specimen from the Anchor mine, Park City, Utah. The specimen was...examples at the present time are from the Sweet Home mine, near Alma, Park County, Colorado, where it occurs |  | | Journal (article/letter/editorial) | | JANUARY-FEBRUARY, i9i 9 No. I THE VEINS OF CHAi{IARCILLO, CHILE.• W. L. W•IT•-a•-.•D. CONTENTS. PATE. Introduction......................... i The Region of North Chile ........................................... The...SupergeneProcesses..................... The Future of Mining in the District .................................. Bibliography...WHITEHEAD. gold, were disappointed in the regionof Atacama;but, upon findinggold in the rich veinsof Malga-Malgaat...exploitation, from about •86o to x88o, Chile enjoyeda period of mining prosperitylong to be remembered. Of |  | | Journal (article/letter/editorial) | | Precious Metal Low Sulfidation Deposit in Mendoza Province, Argentina Ana Cecilia Mugas Lobos and María Florencia...Argentina Abstract The Don Sixto mining area in Mendoza province, central-western Argentina, contains...studies were performed in quartz, fluorite, and pyrite samples from the vein systems. The microthermometric...isotopic fractionation was analyzed in quartz and pyrite. The calculated isotopic fractionation for oxygen...stable isotopes. 1. Introduction The Don Sixto mining area is one of the few epithermal precious metal |  | Haeberlin, Y., Moritz, R., Fontbote, L., Cosca, M. (2004) Carboniferous Orogenic Gold Deposits at Pataz, Eastern AndeanCordillera, Peru: Geological and Structural Framework, Paragenesis, Alteration,and 40Ar/39Ar Geochronology. Economic Geology, 99 (1) 73-112 doi:10.2113/gsecongeo.99.1.73 | Journal (article/letter/editorial) | | 1015 Lausanne, Switzerland Abstract The Pataz province forms the central part of a ≥160-km-long orogenic...of the 330 to 327 Ma Pataz batholith; (2) at the mine scale, strong lithological controls of the vein...sequence, with a first stage composed of milky quartz, pyrite, arsenopyrite, and ankerite and a second stage...alteration with minor chlorite, carbonate minerals, and pyrite associated with strong bleaching in plutonic rocks...synchronous sets of mineralized fractures in the Pataz district. The predominant north- to northwest-striking |  | | Journal (issue) | | which is hosted by the New Mexico Institute of Mining and Technology and organized by the New Mexico...San Pedro Mine in Santa Fe County, and along with his son Phillip is actively exploring the mine for minerals...minerals. The San Pedro Mine is perhaps best known for producing beautiful specimens of finely crystalline...Phillip have also developed a surface exposure at the mine to produce some very nice, single, sceptered quartz...resorbed in a regular pattern, leaving a n elongate " Mercedes star," s uggesting maj or growth sectors in the |  | 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...tetrahedrite (veinrelated), chalcocite, sphalerite, pyrite, hematite, digenite and covellite. Alteration processes...Universidad de La Serena, Casilla 554, La Serena, Chile Cretaceous manto-type episode (LK alteration: |  | | Journal (issue) | | crystal group, 7 cm, from the Huanzala mine, Dos de Mayo Province, Peru. Marty Zinn collection; Jeff Scovil...Gustavo Adolfo 250-J Estacion Central Santiago, Chile jZonfenls * * . I n t r o d u c t i o n ..................................... History of Peru Mining in Peru The Mineral Specimen Business C o l l e....................... Quiruvilca district, Santiago de Chuco province, department of La Libertad PASTO.......................... Pasto Bueno district, Pallasca province, department of Ancash R a u r a -H u |  | | Journal (article/letter/editorial) | | 1301-1316 The AndacolloStrata-BoundGold Deposit, Chile, and Its Position in a Porphyry Copper-GoldSystem...MANUEL REYES JosdZapiola 7666-Q, La Reina,Santiago,Chile Abstract The Andacollominingdistrictis in the CoastalCordilleraof...central Chile, IV Region,Coquimbo Province,400 km north-northeastof Santiago(Fig. 1). The district lies...northfromSantiago(Fig. 1). History and productionof the district Two typesof mineralization arepresentin the ...1607, Andacollowasdescribedby localminersasthe "district with riversof gold." It becameandremainedChile's |  | | Journal (article/letter/editorial) | | MINERALOGIST The sulfides and selenides of the Musonoï mine, Kolwezi, Katanga, Democratic Republic of Congo—Cassian...Pirard and Frédéric Hatert 219 Gold-bearing as-rich pyrite and arsenopyrite from the El Valle gold deposit...Asturias, northwestern Spain—Antonia Cepedal, Mercedes Fuertes-Fuente, Agustín Martin-Izard, Santiago...González-Nistal, and Mónica Barrero 233 Copper-bearing pyrite from the Čoka Marin polymetallic deposit, Serbia:...Ngunala Intrusion of the Giles Complex, Musgrave Province, South Australia— A. Schwarz and S. Constable |  | | Report (issue) | | PROSPECTS OF THE I, H, IE, IV, AND V REGIONS, NORTHERN CHILE compiled by William C. Williams Open-File Report...complement to my dissertation work in northern Chile under the auspices of Dr. John Guilbert at the University...prospects in the I, n, IE, IV, and V Regions of Chile (Figure 1). Over 3000 sites were compiled from published...well as descriptions of the major mines throughout Chile with insights as to their genesis. Finally, Frutos...accessed through MRDS computer database). District Name District to which site belongs. Lati tude / Long |  | | Journal (article/letter/editorial) | | Cu-Zn-Pb-(Au-Ag) Mineralization in the Colquijirca District, Central Peru: Deposit-Scale Mineralogical Patterns...Colquijirca, located in the northern sector of the district, are part of a continuously mineralized northsouth...diatreme-dome complex were replaced by quartz and pyrite. This was followed by the main ore stage, which...which was largely superimposed on the quartz-pyrite replacements and produced zonation of ore minerals and...associations and assemblages: (1) enargite ± (luzonite, pyrite, colusite, tennantite, goldfieldite, ferberite |  | | Journal (article/letter/editorial) | | Cu-Zn-Pb-(Au-Ag) Mineralization in the Colquijirca District, Central Peru: Deposit-Scale Mineralogical Patterns...Colquijirca, located in the northern sector of the district, are part of a continuously mineralized northsouth...diatreme-dome complex were replaced by quartz and pyrite. This was followed by the main ore stage, which...which was largely superimposed on the quartz-pyrite replacements and produced zonation of ore minerals and...associations and assemblages: (1) enargite ± (luzonite, pyrite, colusite, tennantite, goldfieldite, ferberite |  | | Journal (article/letter/editorial) | | control unusual enrichment of gold in VMS. At the district scale, the gold-rich deposits occupy a stratigraphic...that commonly differs from other deposits of the district possibly due to a step change in the geodynamic...recovery, particularly for gold, is never complete. A mining operation may be optimized for base metal production...(Sangster 1977, 1980; Franklin et al. 1981). The mining method also can have a major impact on reported...tonnages, as an open pit operation will typically mine large tonnages at lower grades, illustrating the |  | Bussell, M. Andrew, Alpers, Charles N., Petersen, Ulrich, Shepherd, Thomas J., Bermudez, Carlos, Baxter, Alistair N. (1990) The Ag-Mn-Pb-Zn vein, replacement, and skarn deposits of Uchucchacua, Peru; studies of structure, mineralogy, metal zoning, Sr isotopes, and fluid inclusions. Economic Geology, 85 (7) 1348-1383 doi:10.2113/gsecongeo.85.7.1348 | Journal (article/letter/editorial) | | stageII andstageIII, togetherwith the appearance of pyrite,indicate an increasein sulfurfugacityand/ordecreasein...areprobablycompatiblewith oldersedimentary rocksof the mine district.Salinitylevelsand NaCI/CaC12ratiosare similarto... The mine plant is at an altitudeof 4,500 m, but peaksin the districtreachabove5,100 m. Mining levelsrangefrom4...significant productionof leadandzinc geologyof the mine district,the geometryandstruc- (Benavides,1984). By 1985...(Soldi, 1989). Exploration and Mining History RegionalGeologicSetting Mining activityat Uchucchacua datesfrom |  | | Report (volume) | | application of mineral deposit models to classic mining areas in Bolivia. The data that result from these...United States. Bolivia has a long and important mining history, and mineral resources will probably continue...development of future exploration and investment of the mining industry in nontraditional areas of the Andean...being the best example. After hundreds of years of mining, these deposits are still productive and the Cordillera...effort to promote the development of the Bolivian mining sector, TDP provided a grant of $2 million to the |  | Crespo, Jorge, Holley, Elizabeth, Pfaff, Katharina, Guillen, Madeleine, Huamani, Roberto (2020) Ore Mineralogy, Trace Element Geochemistry and Geochronological Constraints at the Mollehuaca and San Juan de Chorunga Au-Ag Vein Deposits in the Nazca-Ocoña Metallogenic Belt, Arequipa, Peru. Minerals, 10 (12) 1112 doi:10.3390/min10121112 | Journal (article/letter/editorial) | | and Roberto Huamani 4 1 2 3 4 * Department of Mining Engineering, Colorado School of Mines, Golden,...kpfaff@mines.edu Department of Geology, Geophysics and Mining, Universidad Nacional de San Agustín, Av. Independencia...Keywords: gold; silver; Perú; gold veins; small-scale mining; geochemistry 1. Introduction The Nazca-Ocoña...the host rocks. Artisanal and small-scale gold mining is widespread in Peru where more than 200,000 people...on this activity [1]. In Arequipa, small-scale mining activities occur in several areas, where miners |  | | Journal (article/letter/editorial) | | . XXX THE SILVER GEOLOGY JUNE--JULY,. 1955 MINE WALDEMAR OF COLQUIJIRCA, No. 4 PERU. LINDGREN...which at timeshas been the most productivesilver mine of North and South America, is situated 8 kilometers...an elevationof about4,ooo meters. It is a small mine; the greatestdepth attained,as far as I know, is...For comparison, it may be recalledthat the Premier mine, British Columbia,produced27,ooo,oooouncesof silver...Standard Mine produced4,ooo,oooouncesin 1925. The whole silver productionof the Tintic district from 1869 |  | | Book | | .................... Dividend Record of Rosario Mine...................................................people of Honduras, the very great value of the mining properties and concessions acquired by him during...Columbia Umvers1ty and has had many years of actual mining experience in Mexico, Cuba, Spain, Nicaragua, Canada...financing, to ob tain the report of a highly regarded mining engineering com pany. A contract was made with...one man could accumulate such large and vaJuable mining properties and concessions. For this reason, I |  | Ward, Dwight Edward, Goldsmith, Richard, Cruz, Bruna B., Restrepo, Jaime, Hernan, A. (1970) Mineral resources of the southern half of Zone III Santander, Norte de Santander and Boyaca, Colombia. Open-File Report Vol. 1970 (70-359) US Geological Survey doi:10.3133/ofr70359 | Report (issue) | | ............... 23 California and Vetas mining district................. 23 Geography..............silver (continued) California and Vetas mining district (continued) Mine investigations...................................................... 51 Tembladal Mine........................................ 52 Cerro................................... 55 Tembladal Mine........................................ 55 Hacienda................................... 59 Machacuta Mine........................................ 61 El |  | Cazañas, X., Melgarejo, J. C., Luna, J. A., Barrabí, H. (1998) El depósito volcanogénico de Cu-Zn-Pb-Au El Cobre, Cuba Oriental: estructura y mineralogía [The Cu-Zn-Pb-Au volcano genic deposit El Cobre, Western Cuba: structure and mineralogy]. Acta Geologica Hispanica, 33. 277-333 | Journal (article/letter/editorial) | | deeper levels the mineralized zone becomes thinner. Pyrite and chalcopyirite are the most abundant sulphides...ABSTRACT INTRODUCTION The “El Cobre” mine is the only active mine in Sierra Maestra at present. The deposit...and mine shafts up to 300 m deep were excavated. From the 1970s to the present, open pit mining was undertaken...at depth. VEIN MINERALIZATIONS IN THE “EL COBRE” MINE They consist of stockwork at surficial sectors and...grades to subparallel veins with chalcopyrite and pyrite; in the transition zone, very thick, high grade |  | | Book | | The endsheet maps are reprinted from The Mexican Mining Industry 1890-1950 by Marvin D. Bernstein, by permission...is * CONTENTS Foreword Preface Important Mining Districts Discovery and Developments in México...introduction contains an interesting summary of the mining history and the development of mineralogy. It also...The author discusses eight of the more important mining districts in México, which produce fine mineral...geologists, mineralo- x / Foreword gists, and mining engineers, but also for mineral and gem collectors | | | Book | | The endsheet maps are reprinted from The Mexican Mining Industry 1890-1950 by Marvin D. Bernstein, by permission... CONTENTS • Foreword lX Preface Xl Important Mining Districts 1 Discovery and Developments in Mexico...introduction contains an interesting summary of the mining history and the development of mineralogy. It also...The author discusses eight of the more important mining districts in Mexico, which produce fine mineral...geologists, mineralo- LX x I Foreword gists, and mining engineers, but also for mineral and gem collectors |  | | Report (issue) | | literature. An example was with the Osamu Utsumi mine in Brazil. This deposit has been reported in the...includes the deposit or occurrence name, the mining district, the tectonic setting, the geological type...The given name for the occurrence or deposit. PROVINCE The major region political subdivision of the...producer. Mine A mine is a deposit from which ore is currently being recovered. Depleted Mine A depleted...depleted mine is, a mine-out or depleted ore deposit with insufficient Reasonably Assured Resources recoverable |
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