 | | Journal (article/letter/editorial) | | of Miocene porphyry systems in the Cajamarca district, northern Peru Received: 29 September 2004 / Accepted:...deposits located in the auriferous Cajamarca district of northern Peru. The El Galeno deposit (486 Mt at...Galeno-Michiquillay) and Au-rich (Minas Conga) deposits in the Cajamarca region are of similar age (early–middle...Keywords Northern Peru Æ Copper Æ Gold Æ Miocene Æ Porphyry Introduction The Cajamarca mining region, located...located in northern Peru, has one of the largest gold inventories in South America with the high-sulphidation |  | | Journal (article/letter/editorial) | | Mining District, Cajamarca, Peru LEWIS TEAL1,† AND ALBERTO BENAVIDES2 1Newmont 2Minas Peru Ltd., Calle 41...Isidro, Lima, Peru Buenaventura S.A.A., Ave. Carlos Villaran 790, Urb. Santa Catalina, Lima, Peru Abstract...Newmont Mining Corporation with partners Compañia de Minas Buenaventura and CEDIMIN (BRGM). Open-pit mining...before COLOMBIA 0° ECUADOR General Geology of Peru 4° Intrusive Rocks (Various ages) Yanacocha BRAZIL...1. Schematic map showing the geology of western Peru and general location of the Yanacocha mining district |  | | Journal (article/letter/editorial) | | Greenschist-facies metavolcanosedimentary rocks Sericite (Cr mica)carbonate Metamorphic and/or deepseated...case in point is the Pataz-Parcoy belt in northern Peru (Fig. 2), which is assigned herein to the oxidized...Zamora belt, Ecuador Pataz-Parcoy belt, Peru CajamarcaHuaraz belt, Peru El IndioMaricunga belt, Chile Farallón...Farallón Negro district, Argentina Patagonian province, Argentina-Chile Au content (Moz)2 16 Preeminent...High-sulfidation epithermal gold deposits The Cajamarca-Huaraz belt in northern Peru and El Indio-Maricunga belt in |  | | Journal (article/letter/editorial) | | 210 nm, in rocks with Cu mineralization, whereas sericite in andesitic wall rocks covers a wider spectral...devices include the one at the Yanacocha Mine, Cajamarca, Peru (age unknown), and the other from CODES, purchased...one belonged to the Geological Survey of Anhui Province, Hefei, China, but was loaned to the Hefei University...to the Perol porphyry deposits in the Minas Conga district in Peru (the PR- samples in Table 1), the Mankayan |  | | Journal (article/letter/editorial) | | deposits and the giant Yanacocha Au deposit, northern Peru R. C. I. Davies and P. J. Williams DOI 10.1179/037174503225002171...patrick.williams@jcu.edu.au) The Cajamarca region of northern Peru hosts a number of significant Tertiary...Au deposit and the Early-Mid Miocene Au-rich Minas Conga and Cerro Corona porphyry deposits. Based on...phyllic alteration. High-sulphidation deposits near Cajamarca, including the giant Yanacocha mine and possibly...porphyry copper deposits of northern Chile and southern Peru. Note the wide range of ages Applied Earth Science |  | Milési, J. P., Marcoux, E., Sitorus, T., Simandjuntak, M., Leroy, J., Bailly, L. (1999) Pongkor (west Java, Indonesia): a Pliocene supergene-enriched epithermal Au-Ag-(Mn) deposit. Mineralium Deposita, 34 (2) 131-149 doi:10.1007/s001260050191 | Journal (article/letter/editorial) | | (Table 1). They appear to belong to the adularia-sericite epithermal (or low-sul®dation) type as de®ned...Cikotok-Cirotan gold district where the adularia-sericite veins are now worked out after more than 50 years...(Bromley and Braithwaite 1991), and Yanacocha in Peru (Llosa et al. 1996). Thus the primary deposit was...Pongkor The Pongkor deposit is of the adularia-sericite (or lowsul®dation) type and shows many similarities...submitted MD Llosa F, Lescuyer JL, MileÂsi JP (1996) Minas Conga: Descubrimiento, exploracion y marco geologico |  | Volkov, A. V., Savva, N. E., Sidorov, A. A., Egorov, V. N., Shapovalov, V. S., Prokof’ev, V. Yu., Kolova, E. E. (2006) Spatial distribution and formation conditions of Au-bearing porphyry Cu-Mo deposits in the Northeast of Russia. Geology of Ore Deposits, 48 (6) 448-472 doi:10.1134/s107570150606002x | Journal (article/letter/editorial) | | Lepanto Far Cerro Casale Panguna Batu Hijau Minas Conga Ok Tedi El Teniente Escondida Bajo de Alumberta...States Philippines Chile Papua New Guinea Indonesia Peru Papua New Guinea Chile ″ Argentina Papua New Guinea...important for the economic development of Chile, Peru, Uzbekistan, Kazakhstan, Mongolia, Armenia, Serbia...Porphyry Cu–Mo metallogenic belts in the marginal-sea province of northeastern Asia. (1) Areas of volcanic rocks;... 458 VOLKOV et al. Calcite Biotite Epidote Sericite Anhydrite -? Chlorite Rhodochrosite Adularia |  | | Report (issue) | | 2007). Phyllically altered rocks typically contain sericite, which is composed of muscovite that has a strong...minerals are quartz, K-feldspar, biotite, muscovite (sericite), magnetite, chlorite, anhydrite, and epidote...alteration minerals are K-feldspar, biotite, muscovite (sericite), albite, anhydrite, chlorite, calcite, epidote...in the assemblage K-feldsparbiotite-muscovite (sericite)-chlorite-quartz. Phyllic alteration includes...more minerals in the assemblage quartz-muscovite (sericite)-pyrite-chlorite. Argillic alteration includes |  | | Book | | Agua Rica Porphyry Cu-Mo-Au Deposit，Catamarca Province, Northwestern Argentina. Part 1 : Exploration...and in northern Chile and neighbouring southern Peru. With the exception o f Bingham Canyon, none were...the US ”South-west” and northern Chile to southern Peru, and were Cu-Mo orebodies (Gilmour, et. al. 1995)...exploration was filling the gaps between the US and Peru, w ith major discoveries in Mexico and elsewhere...f southern Russia. Further east a metallogenic province embracing early to mid Mesozoic deposits runs |  | | Journal (article/letter/editorial) | | especially in the Florida-Georgia ACCEPTED MANUSCRIPT province and in Morocco, collectively store more than 10...(1966) has 15% Fe; this is not an ore, but the Minas Gerais “itabirite”, with 40% Fe, will soon be mined...hydrothermal Pb-Zn giants in the Central Mexico and Central Peru mineral belts (Santa Eulalia, Cerro de Pasco) where...demonstrated that rocks in the great W-Sb-(Sn, Bi, Mo) province of East-Central China (especially in the Nanling...hectorite-Li smectite. The Tibetian hot springs province, China, rivals (or even ACCEPTED MANUSCRIPT |  | | Book | | The figure shows tailings from the Antamina Mine (Peru). A copper–zinc skarn formed in connection with...example are tailings from the Ticapampa copper mine (Peru) that consist of 1.6 million tonnes of material...volcanic complex using ASTER imagery in Southern Peru to detect alteration zones and volcanic structures—A...of niobium comes from the Araxa carbonatite in Minas Gerais (Brazil), the remainder is currently largely...in Brazil and Canada. Fig. 2.14 Tantalite from Minas Gerais (Brazil) (photo F. Neukirchen/Mineralogical |
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