 | | Report (issue) | | early-stage veins contain bornite, digenite, and chalcocite wherein digenite occurs as exsolution lamellae...in the bornite and chalcocite rims the bornite-digenite grains. Crosscutting veins contain chalcopyrite...chalcopyrite ± pyrite replaced some early-stage bornite + digenite ± chalcocite. Cubanite has been reported from...suggests that such occurrences, for example the digenite at Batu Hijau, are due to exsolution from an originally...neotocite, cuprite, chalcocite, covellite, djurleite, digenite, anilite, and idaite.������������������������ |  | | Journal (article/letter/editorial) | | Earth. In 2017, the Central Andes accounted for the mine production of around 39% of the world’s copper,...former two occur from Central Chile to southern Peru, whereas the youngest and easternmost extend from...central Chile/Argentina to Bolivia and to northern Peru and beyond. Table 1 summarizes the characteristics...(Chile is the world’s leading copper producer, with Peru second). 1 Department of Earth Sciences, University...A–B vein Panoramic view of the Cerro de Pasco (Peru) Miocene Cordilleran polymetallic deposit looking |  | | Journal (article/letter/editorial) | | vanadiumminerals wf wolframite zo zoisite dck dickite dg .digenite dol 'dolomite Arg ArgiI I ic Phyl Phyllic Pot... ..,.[.o..•..a.•t..e....U..W.. ............. Toquepala late K(?) Rhy,And, daciteporphyry 59 nonerecognized...teds & metasediments Qmstock 65 NI= & NWfits Peru Dio irregularstock elongate N-S elongate irregular..... 30 , .................................. Toquepala oval, elongateNW original: brecciapipe 70 ...Arizona a Iteration zone Toquepala mi nor; <• 1000 tacti te tacti te mont Peru Typical Porphyry Copper |  | | Journal (article/letter/editorial) | | an evolvingsupergenesystem. rositiccappingat Toquepala,Peru. Multiple stagesof leachingandenrichmentha...chalcocite(Cu•.995-2.oooS), djurleite (Cul.934_1.965S), digenite(CUl.7O_•.74Feo.o$_o.o18), andanilite (Cu1.75 S)...Covellite 1:1 CuS + 20• --• Cu+• + SO•• Anilite (Digenite) 1.75:1 CuL75S q-2.3750• q- 1.5H+ --• 1.75Cu+•...pyrite oxidation, such as acid sulfate soilsand acid mine drainages(van Breemen, 1973; Nordstrom et al.,...dida (Minera Utah de Chile, unpub.data) indicates Digenite(-anilite)was distinguished from chalcothat the |  | | Journal (article/letter/editorial) | | to increases in the waste/metal production ratio. Mine wastes deposited on-land in so-called tailings dams...environmental issues that need to be addressed (e.g., acid mine drainage formation due to sulphide oxidation, geotechnical...is a suitable alternative for mine waste. Keywords: tailings; acid mine drainage; waste management; marine...mining, the formation of acid mine drainage (AMD). AMD occurs, when sulphidic mine waste is exposed to atmospheric...and mine tailings storage areas and in underground workings or on the walls of an open pit mine. Due |  | Braxton, D. P., Cooke, D. R., Ignacio, A. M., Rye, R. O., Waters, P. J. (2009) Ultra-Deep Oxidation and Exotic Copper Formation at the Late Pliocene Boyongan and Bayugo Porphyry Copper-Gold Deposits, Surigao, Philippines: Geology, Mineralogy, Paleoaltimetry, and their Implications for Geologic, Physiographic, and Tectonic Controls. Economic Geology, 104 (3) 333-349 doi:10.2113/gsecongeo.104.3.333 | Journal (article/letter/editorial) | | Salvador (Cl) Chuquicamata (Cl) Inspiration (Az) Toquepala (Pe) Cerro Colorado (Cl) Ok Tedi (PNG) El Abra...Chile, Co = Colombia, NM = New Mexico (USA), Pe = Peru, Ph = Philippines, PNG = Papua New Guinea. Minorco-Anglo...-00 $6.00 336 Peru Cerro Verde-Santa Rosa 150 Cuajone 120 Quellaveco 80 Toquepala 150–350 La Granja...cryptomaline, cov = covellite, cup = cuprite, dg = digenite, dj =djurleite, hol = hollandite, id = idaite...sooty chalcocite and subordinate covellite and digenite. These sulfides have replaced hypogene pyrite |  | | Report (issue) | | ........................................... P20 Mine Waste Characteristics........................................................................ P25 Mine Closure...................................................... P11 Pie chart showing world rhenium mine production in 2012, by country and percent of world...substitute for molybdenum in molybdenite. Annual world mine production of rhenium is about 50 metric tons. Nearly...Chile account for about 55 percent of the world’s mine production of rhenium; rhenium is also recovered |  | | Book | | Universidad Nacional de lngenieria, and Newmont Peru Limited Gerente de Exploraciones Av. Jose Galvez...Galvez Barrenechea 218, Urb. Corpac Lima-San Isidro, Peru Prof. Dr. ESTEBAN CEDILW Facultad de Minas, Metalurgia...place in September 1986 in Cusco, Peru, sponsored by Multiciencias (Peru) and UNESCO. During this seminar...Latorre, Director of the Multiciencias courses in Peru strongly supported the whole organization of the...Occurrences in the Paleozoic of the Yauli Dome, Central Peru H. W. Kobe . . . . . . . . . . . . . . . . . . |  | Chen, H., Clark, A. H., Kyser, T. K., Ullrich, T. D., Baxter, R., Chen, Y., Moody, T. C. (2010) Evolution of the Giant Marcona-Mina Justa Iron Oxide-Copper-Gold District, South-Central Peru. Economic Geology, 105 (1) 155-185 doi:10.2113/gsecongeo.105.1.155 | Journal (article/letter/editorial) | | Justa Iron Oxide-Copper-Gold District, South-Central Peru HUAYONG CHEN,1,†,* ALAN H. CLARK,1 T. KURTIS KYSER...Finally, at 95 to 99 Ma, chalcopyrite-bornite-digenite-chalcocite mineralization, with abundant calcite...Costa of northern Chile and central and southern Peru, are now recognized as hosting major IOCG mineralization...ne Ca Rosa Maria s Marcona Pampa de Pongo 12 Peru B N o Tocopilla Guanillo s Gatico Ocean Ocean...iron deposits, and manto-type Cu-Ag deposits in Peru and Chile (from Clark et al., 1990; Hawkes et al |  | | Journal (article/letter/editorial) | | GEOLOGY AND MAJOR ORE DEPOSITS OF CENTRAL ULRICH PERU PETERSEN CONTENTS PAGE Abstract ..............recentinitiation of productionfrom Marcona and Toquepala,the main sourceof metalswas Central Peril. Mineral...complexenterprise,includingthe Goyllarisquizga coal mine, concentrating, smelting,and refiningfacilitiesand...observations and ideas. MAJOR ORE DEPOSITS OF CENTRAL PERU 409 General summariesare presentedby McLaughlin...ßO0•A BASILIA YAURIOOCHA LOCATION CENTRAL 50 MAP PERU 0 50 •ILOM[T[RS ß Fro. 1. Locationmap. GASTROVlRREYNA |  | | Book | | Associated with Volcanogenic Massive Sulfides, Fukazawa Mine, Hokuroku District, Japan St.1. KALOGEROPOULOS and...evidence they find in the barite zone at the Fukazawa mine as indicating the mixing of a circulating barium-rich...1982), in the southern part of the Southern Cross Province (Porter and McKay 1981), and in the Circum-Superior...Chimimba LR (1984) Geology and mineralogy at Trojan Mine, Zimbabwe. In: Buchanan DL, Jones MJ (eds) Sulphide...Kambalda Dome (Fig. 2). Extensive diamond drilling, mine development and geological research in this area |  | | Book (volume) | | Universidad Nacional Mayor de San Marcos, UNMSM, Lima (Peru), a master for many generations of mineralogists...(COREM, Quebec) and Thomas Aiglsperger (Luleå), Ing. Jorge Acosta, MSc (INGEMMET, Lima), among others. ix ...(with inclusions of tetrahedrite, both gray). CR283, Peru 251102_1 (osp). c, d (dsp and d + p, resp.). Zoned...and minor copper sulfides (colored). Rub606, Geevor Mine, Cornwall, UK (dsp). c Dissemination of fine-grained...and gangue (black). CR-295, La Rinconada, Puno, Peru (osp) 20 1 Intergrowths and Textures (a) (b) |  | | Journal (article/letter/editorial) | | batholith in Nevada, and associated with the Yerington mine and the AnnMason deposit, provide a basis of comparison...Laramide, mid-Mesozoic) Limit of Basin and Range Province copper deposits post-Laramide cover Laramide...America, showing the limit of the Basin and Range province, the schematic representation of domains that... 1984; Dilles et al., 2000). Both the Yerington mine and Ann-Mason deposits are exposed continuously...inferred to be the source of both the Yerington mine system (Fig. 2A) and the Ann-Mason system (Fig. |  | Mathur, Ryan, Ruiz, Joaquin, Titley, Spencer, Liermann, Laura, Buss, Heather, Brantley, Susan (2005) Cu isotopic fractionation in the supergene environment with and without bacteria. Geochimica et Cosmochimica Acta, 69 (22) 5233-5246 doi:10.1016/j.gca.2005.06.022 | Journal (article/letter/editorial) | | is lost, chalcocite is replaced sequentially by digenite (Cu1.96S), anilite (Cu1.75S), geerite (Cu1.6S)...chalcopyrite from the El Teniente porphyry copper mine (e.g., Skewes and Stern, 1994; Maksaev et al., 2004)...1320 2200 2240 3620 3730 1870 21.4 35.7 36.4 digenite ⫹ quartz covellite ⫹ quartz covellite ⫹ quartz...1320 3310 3490 2820 92 1100 21.5 53.8 56.7 digenite ⫹ quartz covellite ⫹ quartz covellite ⫹ quartz...Collahuasi Coya-2, Collahuasi M-1, Mocha T-1, Toquepala Ers-1, Ertsberg Gras-1, Grasberg Pan-1, Panguna |  | | Journal (article/letter/editorial) | | Guinaoang (Mankayan dist.) Reko Diq Cotabambas Toquepala & Cuajone Los Pelambres Los BroncesRío Blanco...(Sillitoe, 2005, and references therein). 72° 68° PERU 18° ARICA BOLIVIA Collahuasi Chuquicamata El...northern Chile-southern Peru, southwestern North America) or Au (northern Peru; Sillitoe, 2008). Notwithstanding...the latest Cretaceous to Paleocene (Laramide) province of southwestern North America, middle Eocene to...m.y. at Cerro de Pasco and Colquijirca, central Peru (Bendezú et al., 2008; Baumgartner et al., 2009) |  | | Journal (article/letter/editorial) | | bottom and labels at bottom show bends in section, mine coordinates, and location of the 480 H cross section...(commonly >400ºC) as chalcopyrite ± (bornite + digenite) ± magnetite synchronous with potassic 63 64...high temperatures as chalcopyrite ± (bornite + digenite) ± magnetite synchronous with potassic alteration...moderately high temperatures. This case may apply to Toquepala. C. Cu deposited primarily in sericitic-type assemblages...documented at 0361-0128/98/000/000-00 $6.00 Toquepala, where the highest Cu and Mo grades are in Transitional |  | Amstutz, G. C., Goresy, A. El, Frenzel, G., Kluth, C., Moh, G., Wauschkuhn, A., Zimmermann, R.A. - Eds. (1982) Ore Genesis. Springer Berlin, Heidelberg. doi:10.1007/978-3-642-68344-2 | Book | | block I experienced recently when visiting a gold mine in virtually unmetamorphosed ground. A fault cuts..."common sense" observations described from the gold mine with the chert and the organic matter. Another potent...Alterations of Conglomeratic Uranium Ores, Pronto Mine, Ontario, Canada E.Wm. Heinrich (With 1 Figure)...Observations on Ore Rhythmites of the Trzebionka Mine, Upper Silesian-Cracow Region, Poland L. Fontbote...the Cobaltite-Gersdorffite Series from the Raipas Mine, Finnmark, Norway F.M. Vokes and G.S. Strand (With |  | | Journal (article/letter/editorial) | | at La Escondida,Chile tectonic phasedocumentedin Peru, central Chile, La Escondidais a large, relatively...inclusions(lessthan 5 #) of chalcopyriteand bornite plus digenite in pyrite grainswhich have effectively shieldedthese...constant and we have postulatedthat this ratio has Toquepala,Peru (Richard and Courtright, 1958; Anderson,1982)...supergeneenrichment at La Escondida,Antofagasta province,Chile labs.l:Geol. Soc. AmericaAbstractswith Programs...andCourtright,J. H., 1958, Geologyof Toquepala, thesis, Univ. Arizona, 112 p. Peru: Mining Eng., Feb. 1958, p. |  | | Book (volume) | | existence o f a new unconformity-vein style uranium province in the Proterozoic of the Great Sandy Desert....the largest deposits in any established porphyry province. For a discussion of the accepted terminology...“South-west”， and in northern Chile and southern Peru，and were Cu-Mo orebodies (Gilmour, et. a i , 1995)...in this publication) and in Chile, Argentina and Peru in South America (see Camus; Stem and Skewes; Brown;...E.J., 1982 ■ The segmented coastal batholith of Peru: its relatio n sh ip to volcanicity and metallogenesis: |  | | Journal (article/letter/editorial) | | Srednogorian Zone, East Pontical Province, Small Caucasus, Northern Iranidical Province and the Eastern Afghanistan)...l'ouest, Srednagora, Province Pontique de rouest, le petit Caucase, la Province Nord-lranidique et l'Afghanistan...Kupferkies dutch die sp~iter gebildeten Buntkupfer, Digenite, Kupferglanz, Enargite, Fahlerze und Bleiglanze...Khan-Grube (SW-Afrika), Tsumeb-Otavi- und Henderson-Mine (SW-Afrika), Butte (Montana) and vieler anderer...(wie z. E. der Morenei-Metcalf-District, Christmas-Mine, der Pima-Mission-District, Bisbee, Santa Rita u |  | | Book | | label: Aerial view of the Bingham Canyon copper mine, Kennecott Utah Copper, September 2003. Photo courtesy...Concentration of Copper Juan Carlos Toro, Javier Ortúzar, Jorge Zamorano, Paticio Cuadra, Juan Hermosilla, and Cristian...N. Moreto, André Luiz Silva Pestilho, Mineral Province, Brazil Gustavo Henrique Coelho de Melo, Marco...The Southwestern North America Porphyry Copper Province Tectonomagmatic Settings, Architecture, and Metallogeny...Metallogeny of the Central Asian Copper Province An Overview of the European Kupferschiefer Deposits |  | | Book | | Natarajan Sakthivel 18. Microbial Remediation of Acid Mine Drainage................................... 453...aspects of environmental processing, such as acid mine drainage and biosorption and bioremediation. A major...secondary resources/wastes such as e-wastes and urban mine wastes is also presented with respect to their types...organic and inorganic contaminants as well as acid mine drainage are also presented in a few designated...had already been oxidised. We are now forced to mine deeper regions of clay deposits where the as-yet |  | Hodges, C.A., Cox, D.P., Singer, D.A., Case, J.E., Berger, B.R., Albers, J.P. (1984) U.S. Geological Survey-INGEOMINAS mineral resource assessment of Colombia. Open-File Report Vol. 1984 (84-345) US Geological Survey doi:10.3133/ofr84345 | Report (issue) | | prospecting for chromite deposits in CamagUey Province, Cuba: Geophysics, v. 22, no. 4, p. 848-869. ____...gravity surveys to chromite exploration in Camaguey Province, Cuba, in Geological Survey Research in 1960:...chromite deposits in the Camaguey district, Camaguey Province, Cuba, 1954-1956: U.S. Geological Survey Open-File...is continental or transitional Skarn Cu (2.6) Mine Vlejs Los Guayabas (Tollma) Cranates (Hulla) Also...Cty, CA Santa Helena, Antioquia, Colombia Co to Mine, Luzan, P.I. References Wells, F. G. et al 1946 |  | | Report (volume) | | based on considerations that extend far beyond the mine itself, in some instances relating to the overall...subject, as in a scale model of the workings of a mine, to a unifying concept that explains or describes...government believed might someday be economic ta mine. Stratiform deposits of large areal extent, such...EXAMPLES High Plateau, Del Norte Cty, USCA Coto Mine, Luzon, PLPN (Wells and others, 1946) (LeBlanc...DEPOSITS Name Ace of Spades Adobe Canyon Gp. Ajax Alice Mine Allan (Johnson) Alta Hill Althouse Alyce and Blue |  | | 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...developing an annual ton of new copper capacity from mine through the refinery without intrastructure costs...fold in three years. As an example, the " Surface Mine Control and Reclamation Act,' ' which was initially...resources in the future.'' In 1977, a surface coal mine regulation that greatly restricts the areas of strip |
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