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Economic Geology; January 1956; v. 51; no. 1; p. 41-63
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The geology and ore deposits of the Quiruvilca District, Peru

Richard W. Lewis

The Quiruvilca copper-lead-zinc district, Peru, is located in terrain composed mainly of bedded post-Cretaceous volcanic rocks intruded by porphyritic andesite and dacite plugs and dikes. The ores consist of zonally distributed mesothermal to epithermal deposits which were formed by fissure filling along pre-existing shear and tension fractures. Mineralization closely followed and was genetically related to emplacement of the dacite porphyry dikes.

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