Abstract
The pre-Permian Paleozoic of the Yauli Dome in Central Peru contains a strata-bound finely disseminated Ni-Co arsenide/sulphide mineralization in a weakly metamorphosed series of interbedded slates/phyllites, fossiliferous marbles and basic volcanics and volcaniclastics. The intimate inter-layering of these formations on both the macro- and micro-scales is taken to indicate a synsedi-mentary origin for the mineralization, related to submarine deposition of lavas, tuffs and their hydrothermal exhalative derivatives among the seafloor sediments.
This is in stark contrast to other Ni-Co mineralization known from the Eastern Paleozoic Belt in Peru, attributed to either the plutonic ultrabasic or the hydrothermal granite environments.
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Kobe, H.W. (1982). A Strata-Bound Ni-Co Arsenide/Sulphide Mineralization in the Paleozoic of the Yauli Dome, Central Peru. In: Amstutz, G.C., et al. Ore Genesis. Special Publication of the Society for Geology Applied to Mineral Deposits, vol 2. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-68344-2_16
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DOI: https://doi.org/10.1007/978-3-642-68344-2_16
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