 | Bendezú, Ronner, Page, Laurence, Spikings, Richard, Pecskay, Zoltan, Fontboté, Lluís (2008) New 40Ar/39Ar alunite ages from the Colquijirca district, Peru: evidence of a long period of magmatic SO2 degassing during formation of epithermal Au–Ag and Cordilleran polymetallic ores. Mineralium Deposita, 43 (7) 777-789 doi:10.1007/s00126-008-0195-1 | Journal (article/letter/editorial) | | 1 ARTICLE New 40Ar/39Ar alunite ages from the Colquijirca district, Peru: evidence of a long period...step-heating of alunite crystals from the large Miocene Colquijirca district in central Peru. Combined with...and base metal, Cordilleran ores took place at Colquijirca. The new data indicate that incursion of magmatic...magmatic SO2bearing vapor into the Colquijirca epithermal system began at least as early as ∼11.9 Ma and...and lasted until ∼10.6 Ma. Four alunite samples associated with high-sulfidation epithermal Au–(Ag) ore |  | | Journal (article/letter/editorial) | | epithermal mineralization in the Colquijirca mining district, central Peru Received: 28 August 2002 / Accepted:...2003 Springer-Verlag 2003 Abstract At Colquijirca, central Peru, a predominantly dacitic Miocene diatreme-dome...are zoned outward from pyrite–enargite–quartz–alunite to pyrite– chalcopyrite–dickite–kaolinite to p...pyrite–sphalerite–galena–kaolinite–siderite. Alunite samples related to the Au–(Ag) epithermal ores have...ores in the northern part of the district (Smelter and Colquijirca) at 10.6–10.8 Ma. The significant time |  | Baumgartner, R., Fontbote, L., Spikings, R., Ovtcharova, M., Schaltegger, U., Schneider, J., Page, L., Gutjahr, M. (2009) Bracketing the Age of Magmatic-Hydrothermal Activity at the Cerro de Pasco Epithermal Polymetallic Deposit, Central Peru: A U-Pb and 40Ar/39Ar Study. Economic Geology, 104 (4) 479-504 doi:10.2113/gsecongeo.104.4.479 | Journal (article/letter/editorial) | | Activity at the Cerro de Pasco Epithermal Polymetallic Deposit, Central Peru: A U-Pb and 40Ar/39Ar Study*...Abstract The Cerro de Pasco epithermal Cordilleran base metal deposit in central Peru consists of two mineralization...of the magmatic-hydrothermal system at Cerro de Pasco, U-Pb age determinations and Hf isotope determinations...Biotite from intrusive rocks, and sericite and alunite related to the first and second mineralization...40Ar/39Ar ages have been determined on sericite and alunite. The latter formed during the second mineralization |  | | Journal (article/letter/editorial) | | Cu-Zn-Pb-(Au-Ag) Mineralization in the Colquijirca District, Central Peru: Deposit-Scale Mineralogical Patterns...AND LLUÍS FONTBOTÉ2 1Bilbao 2Sciences 295, Lima, Peru de la Terre et de l’environnement, Université de...CH-1205, Genève, Switzerland Abstract At Colquijirca, central Peru, a Miocene diatreme-dome complex is associated...deposits, Smelter and Colquijirca, located in the northern sector of the district, are part of a continuously...peripheral ZnPb-(Ag) ores (Colquijirca deposit). The Smelter-Colquijirca corridor has undergone minor |  | | Journal (article/letter/editorial) | | Cu-Zn-Pb-(Au-Ag) Mineralization in the Colquijirca District, Central Peru: Deposit-Scale Mineralogical Patterns...AND LLUÍS FONTBOTÉ2 1Bilbao 2Sciences 295, Lima, Peru de la Terre et de l’environnement, Université de...CH-1205, Genève, Switzerland Abstract At Colquijirca, central Peru, a Miocene diatreme-dome complex is associated...deposits, Smelter and Colquijirca, located in the northern sector of the district, are part of a continuously...peripheral ZnPb-(Ag) ores (Colquijirca deposit). The Smelter-Colquijirca corridor has undergone minor |  | | Journal (article/letter/editorial) | | Polymetallic Zn-Pb-Ag-Cu-Bi Mineralization at Cerro de Pasco, Peru* REGINA BAUMGARTNER†,** LLUÍS FONTBOTÉ, Department...Abstract The large Cerro de Pasco Cordilleran base metal deposit in central Peru is located on the eastern...mineral zoning, from a core of enargite-pyrite ± alunite with traces of Au, through an intermediate zone...orebodies with a core of famatinite-pyrite and alunite, an intermediate zone with tetrahedrite-pyrite...areas, located 2.5 km northwest of the Cerro de Pasco open pit and in the southern part of the deposit |  | Catchpole, Honza, Kouzmanov, Kalin, Bendezú, Aldo, Ovtcharova, Maria, Spikings, Richard, Stein, Holly, Fontboté, Lluís (2015) Timing of porphyry (Cu-Mo) and base metal (Zn-Pb-Ag-Cu) mineralisation in a magmatic-hydrothermal system—Morococha district, Peru. Mineralium Deposita, 50 (8) 895-922 doi:10.1007/s00126-014-0564-x | Journal (article/letter/editorial) | | in a magmatic-hydrothermal system—Morococha district, Peru Honza Catchpole & Kalin Kouzmanov & Aldo Bendezú...Heidelberg 2015 Abstract The Morococha district in central Peru is characterised by economically important...history of magmatichydrothermal activity in the district. In the late Miocene, three individual magmatic-hydrothermal...the oldest magmatichydrothermal system in the district and consists of a composite porphyry stock associated...magmatic-hydrothermal centre in the west of the district has a maximum duration of 0.3 Ma, ranging from |  | | Journal (article/letter/editorial) | | in magmatic arc settings. At the regional and district scales, the occurrence of many deposits in belts...Mamut Grasberg-Ertsberg Ok Tedi Cerro de Pasco & Colquijirca Choquelimpie Esperanza Escondida & Chimborazo...the geology of porphyry Cu systems at regional, district, and deposit scales. The resultant geologic model...(Sillitoe, 2005, and references therein). 72° 68° PERU 18° ARICA BOLIVIA Collahuasi Chuquicamata El...El Abra 22° A AL C M E ALT O Regional- and District-Scale Characteristics 0361-0128/98/000/000-00 |  | Wang, Changming, Zhang, Da, Wu, Ganguo, Santosh, M., Zhang, Jing, Xu, Yigan, Zhang, Yaoyao (2014) Geological and isotopic evidence for magmatic-hydrothermal origin of the Ag–Pb–Zn deposits in the Lengshuikeng District, east-central China. Mineralium Deposita, 49 (6) 733-749 doi:10.1007/s00126-014-0521-8 | Journal (article/letter/editorial) | | origin of the Ag–Pb–Zn deposits in the Lengshuikeng District, east-central China Changming Wang & Da Zhang...Heidelberg 2014 Abstract The Lengshuikeng ore district in east-central China has an ore reserve of ∼43...characteristics, the mineralization in the Lengshuikeng ore district can be divided into porphyryhosted and stratabound...Introduction The Lengshuikeng ore district, located in the Jiangxi Province of east-central China (Fig. 1a)...Deposita Fig. 1 a Location map for the Lengshuikeng District. b Sketch map showing the Late Mesozoic volcanic-intrusive |  | Harrison, Rachel L., Maryono, Adi, Norris, Malcolm S., Rohrlach, Bruce D., Cooke, David R., Thompson, Jay M., Creaser, Robert A., Thiede, David S. (2018) Geochronology of the Tumpangpitu Porphyry Au-Cu-Mo and High-Sulfidation Epithermal Au-Ag-Cu Deposit: Evidence for Pre- and Postmineralization Diatremes in the Tujuh Bukit District, Southeast Java, Indonesia. Economic Geology, 113 (1) 163-192 doi:10.5382/econgeo.2018.4547 | Journal (article/letter/editorial) | | Postmineralization Diatremes in the Tujuh Bukit District, Southeast Java, Indonesia* Rachel L. Harrison...Box 1565, Milton, Queensland 4064, Australia the Mining Value Chain, An Australian Research Council Industrial...deposit is the largest deposit in the Tujuh Bukit district, southeast Java, Indonesia. The porphyry resource...magmatic-hydrothermal system (Tumpangpitu) in the same district. Magmatism, mineralization, and alteration at...Asian continental plate margin. The Tujuh Bukit district is floored by early to late Miocene sedimentary |  | Pan, Jun-Yi, Ni, Pei, Chi, Zhei, Wang, Wen-Bin, Zeng, Wen-Can, Xue, Kai (2019) Alunite 40Ar/39Ar and Zircon U-Pb Constraints on the Magmatic-Hydrothermal History of the Zijinshan High-Sulfidation Epithermal Cu-Au Deposit and the Adjacent Luoboling Porphyry Cu-Mo Deposit, South China: Implications for Their Genetic Association. Economic Geology, 114 (4) 667-695 doi:10.5382/econgeo.4658 | Journal (article/letter/editorial) | | Economic Geology, v. 114, no. 4, pp. 667–695 Alunite 40Ar/39Ar and Zircon U-Pb Constraints on the M...Institute of Geological Survey, Fuzhou 350013, China Mining Group Co., Ltd., Shanghang 364200, China Abstract...deposit, constitutes a major porphyry-epithermal ore district in South China. Current debate centers on whether...question of importance for exploration in the district. In this contribution, the magmatichydrothermal...Zijinshan and Luoboling is reconstructed based on new alunite 40Ar/39Ar ages from Zijinshan and zircon U-Pb ages |  | Fornadel, Andrew P., Voudouris, Panagiotis Ch., Spry, Paul G., Melfos, Vasilios (2012) Mineralogical, stable isotope, and fluid inclusion studies of spatially related porphyry Cu and epithermal Au-Te mineralization, Fakos Peninsula, Limnos Island, Greece. Mineralogy and Petrology, 105 (1) 85-111 doi:10.1007/s00710-012-0196-8 | Journal (article/letter/editorial) | | porphyry mineralization by >1 Ma (e.g., Colquijirca district, Bendezu et al. 2003). Post-orogenic extension...exploration effort by Argosy Mining (http://www.thefreelibrary.com/Argosy +Mining+−+Precious+Metals+Program+Extended+into...4630 ppm As, 83 ppm Mo, and 18 ppm Se. The Argosy Mining study also noted As-Sb-Au soil and rock anomalies...Alpine-Balkan-CarpathianDinaride metallogenetic and geodynamic province (Heinrich and Neubauer 2002; Marchev et al. 2005)...pyrite, marcasite, minor alunite, ziron, anatase) Advanced argillic (alunite, quartz, kaolinite, pyrite) |  | Rajabpour, Shahrokh, Behzadi, Mehrdad, Jiang, Shao-Yong, Rasa, Iraj, Lehmann, Bernd, Ma, Ying (2017) Sulfide chemistry and sulfur isotope characteristics of the Cenozoic volcanic-hosted Kuh-Pang copper deposit, Saveh county, northwestern central Iran. Ore Geology Reviews, 86. 563-583 doi:10.1016/j.oregeorev.2017.03.001 | Journal (article/letter/editorial) | | sulfides and alteration minerals (e.g., kaolinite, alunite) in the cement of hydrothermal breccias, and 3)...this copper district and the Kuh-Pang Cu deposit which had intermittent small-scale mining in the past...researchers suggested that the Cu deposits in this district are of intermediate to high sulfidation vein style...deposit is located 38 km NE of Saveh County, Markazi Province, Central Iran and in the middle part of the UDMA...lack of consensus as to its classification. Recent mining exposures at the Kuh-Pang Cu deposit have made |  | Prendergast, K., Clarke, G. W., Pearson, N. J., Harris, K. (2005) Genesis of Pyrite-Au-As-Zn-Bi-Te Zones Associated with Cu-Au Skarns: Evidence from the Big Gossan and Wanagon Gold Deposits, Ertsberg District, Papua, Indonesia. Economic Geology, 100 (5) 1021-1050 doi:10.2113/gsecongeo.100.5.1021 | Journal (article/letter/editorial) | | Big Gossan and Wanagon Gold Deposits, Ertsberg District, Papua, Indonesia KYLIE PRENDERGAST,† GAVIN W...Tasmania 7001, Australia Abstract The Ertsberg district hosts multiple skarn and porphyry-related deposits..., meteoric) water. Introduction THE ERTSBERG DISTRICT is located in the mountainous Central Ranges of...and major deposits and prospects of the Ertsberg district (modified with permission from unpub. Freeport...locations and examines their genesis in the porphyry district. This study includes a structural-stratigraphic |  | | Journal (article/letter/editorial) | | Published observations and interpretations Kaolinite–alunite-type or high-sulphidation epithermal deposits were...rocks to quartz+kaolinite/dickite±pyrophyllite±alunite (Summitville, Colorado; see Stoffregen 1987). c...leaching of magmatic wall rocks to form vuggy quartz±alunite along pathways of strong fluid Evidence (d) Cu–As–Au...al. (1994a) Important publications Nansatsu district, Japan Goldfield, Nevada Summitville, Colorado...White Island, New Zealand Goldfield NV Deposit, district Table 1 Review of observations and interpreted |
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