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http://dx.doi.org/10.9719/EEG.2011.44.1.011

Characteristics on the Occurrence of Oxidized Copper at Suparaura, Peru: Preliminary Study  

Kim, Eui-Jun (Domestic/North Korea Mineral Resources Department, Mineral Resources Research Division, Korea Institute of Geoscience ami Mineral Resources(KIGAM))
Heo, Chul-Ho (Overseas Mineral Resources Department, Mineral Resources Research Division, Korea Institute of Geoscience and Mineral Resources(KIGAM))
Koh, Sang-Mo (Overseas Mineral Resources Department, Mineral Resources Research Division, Korea Institute of Geoscience and Mineral Resources(KIGAM))
Publication Information
Economic and Environmental Geology / v.44, no.1, 2011 , pp. 11-20 More about this Journal
Abstract
Geological survey on the occurrence of copper oxide in Suparaura area around Abancay in the south-central part of Peru had been carried out. Geology of the area is composed of granitoids such as granodiorite, tonalite and andesitic porphyry related to Tertiary igneous activity, Ferrobamba formation with Cretaceous limestone and sandstone in descending order. Red sandstone is widely distributed and emplaced with their attitude of $N70^{\circ}W$ strike and $60^{\circ}NE$ dip. Copper oxides were mineralized along the bedding plane of red sandstone with maximum width of 30 cm. Ore-body structure bounding red sandstone strata have different occurrence characteristics with generally known porphyry system in terms of alteration, mineral assemblage and occurrence mode. Therefore, it is thought to be stratiform sediment-hosted copper (SSC) deposits genetically corresponding to Mississippi-valley type from preliminary study.
Keywords
Suparaura; SSC; red sandstone; copper oxide;
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