Metamorphism of chromitites in the Tapo ultramafic massif, eastern Cordillera, Peru

Fanlo González, Isabel; Gervilla, Fernando; Castroviejo Bolibar, Ricardo; Rodrigues, José Feliciano; Pereira, Eurico; Acosta Ale, Jorge Gilberto; Uribe, Ricardo

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Please use this identifier to cite or link to this item: https://hdl.handle.net/20.500.12544/3855

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Title:

Metamorphism of chromitites in the Tapo ultramafic massif, eastern Cordillera, Peru

Author(s):

Issued Date:

2009

Published in:

Smart Science for Exploration and Mining. Proceedings of the 10th Biennial SGA meeting of The society for Geology Applied to Mineral Deposits, Townsville, Australia, 17-20 August 2009

Abstract:

Metamorphosed chromite crystals in massive chromitite ore-bodies from the Tapo ultramafic massif (Peru) show distinct petrographic features and chemical patterns of zoning different from those exhibited by disseminated chromites. The observed differences can be explained in terms of prograde metamorphism up to the lower-amphibolite facies, under the control of the chromite/silicate ratio, chromite grain size and degree of fracturing.

Keywords:

Metamorfismo | Cromita | Macizo rocoso | Petrología

Tapo | Junín | Cordillera Oriental | Perú

published by:

Economic Geology Research

Citation:

Fanlo, I.; Gervilla, F.; Castroviejo, R.; Rodrigues, J.; Pereira, E.; Acosta, J. & Uribe, R. (2009) - Metamorphism of chromitites in the Tapo ultramafic massif, eastern Cordillera, Peru. En: Williams, P. J, ed. Smart Science for Exploration and Mining. Proceedings of the 10th Biennial SGA meeting of The society for Geology Applied to Mineral Deposits, Townsville, Australia, 17-20 August 2009. Townsville: Economic Geology Research, p. 161-163.

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https://hdl.handle.net/20.500.12544/3855

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3 páginas

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