 | Quang, C. X., Clark, A. H., Lee, J. K. W., Guillen B., J. (2003) 40Ar-39Ar AGES OF HYPOGENE AND SUPERGENE MINERALIZATION IN THE CERRO VERDE-SANTA ROSA PORPHYRY Cu-Mo CLUSTER, AREQUIPA, PERU. Economic Geology, 98 (8) 1683-1696 doi:10.2113/gsecongeo.98.8.1683 | Journal (article/letter/editorial) | | MINERALIZATION IN THE CERRO VERDE-SANTA ROSA PORPHYRY Cu-Mo CLUSTER, AREQUIPA, PERU CHAN X. QUANG,† ALAN...GUILLÉN B. Sociedad Minera Cerro Verde S.A., Asiento Minero Cerro Verde-Uchumayo, Avenida Alfonso Ugarte...Ugarte 304, Casilla 299, Arequipa, Peru Abstract The contiguous Cerro Verde and Santa Rosa porphyry copper...for Cerro Verde, and 62.2 ± 2.9 Ma for Santa Rosa, representing the terminal event in the Arequipa segment...multiple analyses of a sample from Cerro Verde comprising alunite partially replaced by natroalunite |  | Quang, C. X., Clark, A. H., W. Lee, J. K., Hawkes, N. (2005) Response of Supergene Processes to Episodic Cenozoic Uplift, PedimentErosion, and Ignimbrite Eruption in the Porphyry Copper Province of Southern Peru. Economic Geology, 100 (1) 87-114 doi:10.2113/100.1.0087 | Journal (article/letter/editorial) | | and Ignimbrite Eruption in the Porphyry Copper Province of Southern Perú CHAN X. QUANG, ALAN H. CLARK...northwestward through field mapping to the Cerro Verde-Santa Rosa district (ca. 16° 30' S). The 40Ar-39Ar incremental-heating...incremental-heating dates of supergene alunite group minerals from the Angostura (38.1 and 38.8 Ma) and...and Posco (38.8 Ma) prospects and the Cerro Verde deposit (36.1–38.8 Ma) demonstrate that supergene processes...probably active in the Cuajone-Quellaveco-Toquepala district. Slow erosion and the accumulation of clastic |  | | Journal (article/letter/editorial) | | Massachusetts 02138 Abstract The centralAndeanCordilleraof Peru,Bolivia,northwestern Argentina,andnorthernChile...northernandcentralChile; subprovince Ib, in central Peru north of 13ø S; and subprovinceIc, in southernPeru...that dominates the geologyof the high Andesof Peru. Province III: The Eastern Cordillera of southeasternPeru...northernArgentina,and subprovince IIIb in southeastern Peru. Theseprovincesare borderedby noncordilleranunitsof...noncordilleranunitsof the Brazil and GuyanaShields, the Arequipa massif,and the metamorphicterranesof southernChile and |  | | Journal (article/letter/editorial) | | 2018 Abstract Radiometric ages for supergene alunite and jarosite effectively date the oxidation of...mineralization formed, and Pleistocene, K-Ar ages for alunite and jarosite from two widely separated and unusually...the supergene profile, along with any contained alunite and jarosite. Note the difference in arbitrary...formation of the isostructural sulfate minerals, alunite [KAl 3 (SO 4 ) 2 (OH) 6 ] and jarosite [KFe3(SO4)...and Harrison 1999; Vasconcelos 1999). Because alunite and jarosite are stable only under acidic conditions |  | | 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 """ |  | 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) | | intrusion-centered gold-rich deposits in the Surigao district of northeast Mindanao, Philippines. Exhumation...Niño (Ph) Atlas (Ph) Aya Aya (Ph) Salatan (Ph) Cerro Verde-Santa Rosa (Pe) Kingking (Ph) Rio Blanco (Pe)...Chuquicamata (Cl) Inspiration (Az) Toquepala (Pe) Cerro Colorado (Cl) Ok Tedi (PNG) El Abra (Cl) Mocoa (Co)...Chile, Co = Colombia, NM = New Mexico (USA), Pe = Peru, Ph = Philippines, PNG = Papua New Guinea. Minorco-Anglo... Thickness (m) 0361-0128/98/000/000-00 $6.00 336 Peru Cerro Verde-Santa Rosa 150 Cuajone 120 Quellaveco 80 Toquepala |  | Sapiains, Pía, Figueroa, Valentina, Hayashida, Frances, Salazar, Diego, Menzies, Andrew, González, Cristián, Loyola, Rodrigo, Murphy, Beau, González, Juan, Parcero-Oubiña, César, Troncoso, Andrés (2021) Supergene Copper and the Ancient Mining Landscapes of the Atacama Desert: Refining the Protocol for the Study of Archaeological Copper Minerals through the Case Study of Pukara de Turi. Minerals, 11 (12) 1402 doi:10.3390/min11121402 | Journal (article/letter/editorial) | | the same mineral association found in the Cerro Verde district, which is probably the source of these samples...Fe Oxides/Hydroxides Gypsum/Anhydrite/Bassanite Alunite Quartz Feldspars (Orthoclase, Plagioclase) Kaolinite...(located close to Chuquicamata-Radomiro Tomic mining district). Figure 10. QEMSCAN modal mineralogy: grouped...(located close to Chuquicamata-Radomiro Tomic mining district). CDG960Q02: CDG960Q02: Chu-4 (located close to...to Chuquicamata-Radomiro Tomic mining district). CDG960Q03: RPCmining (Pukara de Turi). from the following |  | | 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...DE POSIT x NILLSOOROuG. WS( MAJOR HILL ..SRAOSnaw MINE x "AND miTCHELLS 1-1 X SNOW CAMP MIME / STALEY |  | | Journal (article/letter/editorial) | | Porphyry copper deposits account for 60% of the world's mine production of copper and constitute 80% of ore reserves...Sutherland Sutherland Sutherland Sutherland Panama 7. Cerro Colarado X Kesleretal. (1977), Linn et al. (1981)...26. 27. 28. 29. 30. 31. X X Pima Mission Palo Verde Safford-Kennecott Butte Copper Canyon 32. Bingham... SI SAI SAI SP 35. La Verde 36. Cananea SA Colombia 37. Mocoa X Peru 38. La Granja SA 39. 40...40. Rosa 41. 42. Antamina Cerro Verde-Santa References Langlois (1978) 4 Titley (1982) Titley (1982) |  | Nelson, M., Kyser, K., Clark, A., Oates, C. (2007) Carbon Isotope Evidence for Microbial Involvement in Exotic Copper Silicate Mineralization, Huinquintipa and Mina Sur, Northern Chile. Economic Geology, 102 (7) 1311-1320 doi:10.2113/gsecongeo.102.7.1311 | Journal (article/letter/editorial) | | anthropogenic environments, including those of acid mine drainage (Johnson and Hallberg, 2003). Sillitoe...Cordillera Occidental in northern Chile and southern Peru is now hyperarid (PPT/PET ≤ 0.05) below 3,000 m...negligible. However, 40Ar/39Ar dates for supergene alunite group minerals demonstrate that economically significant...Mortimer et al. (1977) and Fam Quebrada Parca 20OS Cerro Colorado Sagasca Iquique N Huinquintipa Rosario...major Collahuasi district (Fig. 2A). No detailed descriptions of Huinquintipa mine geology are available |  | | Journal (article/letter/editorial) | | 40Ar/39Ar geochronology; hydrothermal alunite; supergene alunite; Ar diffusion. 1 ABSTRACT Argon release...hypogene alunite [KAl3(SO4)2(OH)6] from Marysvale, Utah, and microcrystalline supergene alunite aggregates...South Australia. Prior to diffusivity studies, all alunite samples, sorted in the 500-200, 200-100, 100-50...0 to 27.8 ± 3.2 ln(s-1) for hypogene alunite; supergene alunite yield Ea ranging between 233.3 ± 5.4...°C and 246 ± 19 °C for hypogene and supergene alunite, respectively, assuming a cooling rate 100 °C·Ma-1 |  | | 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 . . . . . . . . . . . . . . . . . . |  | | Journal (article/letter/editorial) | | and vanadocrete (vanadate). Panczner 1987 Tajo Mine, Hidalgo del Parral, Chihuahua, Mexico Panczner...svanbergite svanbergitewoodhouseite s.s.s alunite P-bearing alunite goyazite florencite florencitegoyazite...svanbergite alunogen aluminite alunite brochantite chalcantite gypsum alunite sulfate (plus APS minerals)...assemblage / ore type Primary mineralization Cerro de Pasco Peru Pb-Cu-Zn-Ag- tenorite Bi replacement/ skarn...Baumgarten et al. 2008 Dill et al. 1997a Cajamarca Province Peru Palache et al. 1951 Malpelo Island, Colombia |  | | Journal (article/letter/editorial) | | Fax: +33-3-83684701 mineral assemblage comprises alunite, kaolinite, dickite, pyrophyllite, diaspore, a...zunyite, minamyite, pyrite, and enargite (luzonite). Alunite forms well-developed crystals. Veins with enargite...(1) vuggy quartz; (2) quartz + alunite; (3) quartz + kaolinite ± alunite and, in the deeper part of the...illite-smectite mixed-layer minerals ± kaolinite ± alunite, and e) chlorite + albite + epidote. Propylitic...Mountains, Romania (Fig. 1). It is located in the Alba district, approximately 8 km southeast of the town of Abrud |  | | Journal (article/letter/editorial) | | Metallogenic Significance of the Supergene Orebody of the Cerro Colorado Porphyry Copper Deposit, I Región, Northern... Ontario K7L 3N6, Canada Abstract The 51.8 Ma Cerro Colorado porphyry Cu(-Mo) deposit is situated at...Andean Cordillera Occidental. Supergene processes at Cerro Colorado generated a complex weathering profile...5-percent-Cu hypogene protore. Dating of supergene alunite-group mineral separates from various ore facies...least 20 m.y. Fifteen multistep age spectra for alunite, natroalunite, and jarosite yielded acceptable |  | | Report (issue) | | quartz-adularia type 82 Epithermal gold, quartz-alunite type 90 Nickel laterite-oxide type 95 Country...Name Country Ace of Spades Adobe Canyon Gp. Alice Mine Allan (Johnson) Alta Hill Althouse Alyce and Blue...Chrome, etc. Buttercup Chrome Camden Mine Camptonvilie area Castro Mine Cattle Springs Cavyell Horse C (continued...Cleopatra Clover Leaf Codd Prospect Coggins Col lard Mine Commander Coon Mt. Nos. 1-3 Copper Creek (Low Divide)...Fourth of July French Hill Friday Gallagher Gardner Mine Gas Canyon Geach Bibsonville Glory Ho Griffin Chromite |  | | Journal (article/letter/editorial) | | contained depth,the geothermalactivity is reflectedin district- undergonesomedeformationwhich has destroyed ...lation.Of the three, one lite-diaspore,quartz-alunite,and clay assemblages)(3486)is from float in Kumul...noted:(I) inclusions rite, native sulfur, and alunite. unsaturatedin NaCI at room temperature;(II) gasWithin...Salvador(exceptperipheral) Gasp• (porphyrytype) Cerro Verde-SantaRosa -1.6-+1.5 -3.5, +0.1 -2.9--0.1 -3...cases are to be considered. In the At Cerro Verde-SantaRosa (Peru), Johanand Le Bel (1980)plotteda pair |  | | Book (volume) | | After moving to Australia in 】 979, Ross, as a District Manager with CRA Exploration, led the team that...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; |  | Masterman, G. J., Cooke, D. R., Berry, R. F., Clark, A. H., Archibald, D. A., Mathur, R., Walshe, J. L., Duran, M. (2004) 40Ar/39Ar and Re-Os Geochronology of Porphyry Copper-Molybdenum Deposits and Related Copper-Silver Veins in the Collahuasi District, Northern Chile. Economic Geology, 99 (4) 673-690 doi:10.2113/gsecongeo.99.4.673 | Journal (article/letter/editorial) | | Related Copper-Silver Veins in the Collahuasi District, Northern Chile GLENTON J. MASTERMAN,†,* DAVID...sulfide veins are associated with pyrophyllite-alunite-quartz altered rocks. The Rosario massive sulfide...Ujina deposits. The 40Ar/39Ar biotite, illite, and alunite dates (at 2σ error), and a Re-Os molybdenite date...mineralization at the Rosario deposit. Illite and hypogene alunite from separate overprinting alteration events yielded...older than the alunite. A weighted mean plateau age of 32.7 ± 1.6 Ma for hypogene alunite from the La Grande |  | | Report (volume) | | quartz-alunite Au, by Byron R. Berger 155 158 Grade and tonnage model of epithermal quartz-alunite Au...rock types 133 Cross section through the Kalavos district Cyprus showing relationship of massive sulfide...epithermal quartz-alunite vein deposits 160 Gold grades of epithermal quartz-alunite vein deposits 160...epithermal quartz-alunite vein deposits 161 Copper grades of epithermal quartz-alunite vein deposits 161...based on considerations that extend far beyond the mine itself, in some instances relating to the overall |  | | Journal (article/letter/editorial) | | Zaldívar, Rosario and Ujina in the Collahuasi mining district, Quebrada Blanca, Lomas Bayas, and (in the last...understanding of the geology of the Chuquicamata district. The Andean Porphyry Deposits A review of published...DILLES 69° 70° P ARICA 20° er 20° u CERRO VERDE SANTA ROSA (59-58) QUELLAVECO (55-53) CUAJONE...TOQUEPALA (58) ARICA COPIAPO via 30° 30° CERRO COLORADO (53) FIG.1 SANTIAGO QUEBRADA BLANCA...SALVADOR (43-41) MARTE - LOBO (14-13) CARMEN (66) CERRO CASALE (15-12) Explanation Metallogenic Belts |  | 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) | | complex mineralogy (such as the California-Vetas district) would be useful, not only for exploration in...the Eastern Cordillera at the California-Vetas District (Domain 23) (Sillitoe and others, 1982). Undiscovered...successful in exploration of the Viburnum Zn-Pb district of southeast Missouri, U.S.A. (Pratt, 1981). Electromagnetic...to nearby alkaline dikes that occur in the Muzo district. High salinity fluid inclusions suggest temperatures...preliminary ground magnetic survey at a known district should indicate feasibility of using the magnetic |  | | Journal (article/letter/editorial) | | tin porphyry systems of Llallagua, Chorolque, and Cerro Rico have a moderately fractionated rhyodacite to...porphyry deposits of Llallagua, Chorolque, and Cerro Rico form part of the central Andean tin belt in...from southern Peru to northern Argentina and is the easternmost metallogenic province of the central...Rice, 1997), which makes Llallagua the largest tin mine of the western world. The bulk geochemical tin enrichment...geochemical dispersion) is on the order of 2 Mt Sn. The Cerro Rico de Potosí is the historically most important |  | | Book | | and Potteriics, Chile . 4 ¢ Section Through Arequipa, Peru 5 ¢ Section Through Potrerillos, Chile ....Rego Chile : 7 ¢ Michiquillay Regional Geology (Peru) . 8 © Structure at Chuquicamata, Chile . 9 ¢ Surface...Morococha, Peru, including Toro Mocho Area . 13 © Structural Outline of Toquepala, Peru . ‘ 14 ¢...Plutonic Belt, ies 27 @ Geology of the Kobuk-Koyukuk Province (Alaska). 28 © Interior Belt (Alaska). 3 ; ,...Washington 1 ¢ Tourmaline Breccia at Toquepala, Peru 2 © Stockwork Outcrop gs 3 ¢ Stockwork Outcrop |  | | Book | | label: Aerial view of the Bingham Canyon copper mine, Kennecott Utah Copper, September 2003. Photo courtesy...Magmatic-Hydrothermal History of the Río Blanco-Los Bronces District, Central Chile: Development of World’s Greatest...Chuquicamata District, Northern Chile Geologic Overview of the Escondida Porphyry Copper District, Northern...± Molybdenum Deposits of the Ertsberg-Grasberg District, Papua, Indonesia Clyde A. Leys, Mark Cloos,...N. Moreto, André Luiz Silva Pestilho, Mineral Province, Brazil Gustavo Henrique Coelho de Melo, Marco |
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