 | | Journal (article/letter/editorial) | | pp. 267–289 The Nonsulfide Zinc Deposit at Accha (Southern Peru): Geological and Mineralogical Characterization...Canada Abstract The Accha-Yanque zinc belt is located in the southern Altiplano of Peru, a major zinc-rich...zinc-rich metallogenic province hosting a number of economic mineral deposits (porphyry copper and skarn ores)...Primary ores belong to the carbonate replacement deposit type and are at least in part structurally controlled...mineralization is almost fully oxidized: the Accha deposit can be assigned to both direct replacement and |  | | Journal (article/letter/editorial) | | Deposits in South-Eastern Peru: those from polymetallic protores 6.2.1. Accha – real calamine? 6.2.2. Yanque...(Mississippi Replacement Deposit) of the polymetallic type. SC RI Valley-type) deposit, or a SEDEX (Sedimentary...of the individual carbonate minerals within a deposit is relatively CE small, indicating constant formation...is dependent on the geological setting of each deposit, as well as on its mineralogy. Host-rock composition...“Calamines”, good examples are Hakkari (Turkey) and Accha (Peru). Other deposits, such as Angouran (Iran) and |  | Hitzman, M. W., Reynolds, N. A., Sangster, D. F., Allen, C. R., Carman, C. E. (2003) Classification, Genesis, and Exploration Guides for Nonsulfide Zinc Deposits. Economic Geology, 98 (4) 685-714 doi:10.2113/gsecongeo.98.4.685 | Journal (article/letter/editorial) | | deposits are the most common type of nonsulfide zinc deposit and are distributed worldwide. The vast majority...classification, suggests genetic models for the different deposit types, and discusses exploration guidelines. 685...franklinite-willemitezincite ± gahnite. All of these deposit types occur primarily in carbonate rocks, although...exploration methods need to be tailored to each. Each deposit type has a characteristic and distinctive mineralogy...understanding of the relationship of mineralogy to deposit type may significantly aid in exploration targeting |  | | Journal (volume) | | may provide the redox environment required to deposit diamonds. Metasomatism is an ongoing process, and...correlation R = 97%. XRD analysis of different Russian’s deposit samples showed that the intensities ratio of the...February 1987 in Luc Yen (a small city in Yen Bai province, N- Vietnam), this country is an important source...from Burma. On the way from the capital of the province, which is also named Yen Bai, to Luc Yen, a new...occurrences therefore cannot belong to one extended deposit, even though their formation processes are widely |
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