Eliana, Porphyry copper prospect

Eliana

Porphyry copper prospect in Ica, Peru

Names and other identifiers

GMRAP ID	258
Alternate names	Quebrada Rio Seco district
Tract name	Peru-Ecuador Cretaceous Almacen (005pCu1007)
Site status	prospect

Geographic location

Country	Peru
State or province	Ica
Geographic location	-75.716666667, -13.766666667 (click for info)
Geologic map unit	-75.716666667, -13.766666667
Nearby data	List Map

Geologic information

Deposit type	Porphyry copper
Age determination method	Geologic inference
Age range	Cretaceous or younger
Age reference	geologic inference
Minerals	actinolite, albite, apatite, azurite/malachite, bornite, calcite, chalcocite, chalcopyrite, gypsum, hematite, hornblende, magnetite, molybdenite, pyrite, pyrrhotite, rutile, scapolite, sericite, sphalerite
Associated rocks	breccia, gabbro-diorite, skarn, agglomerate, andesite, monzogranite, tuff, calcareous sedimentary rocks
Tectonic setting	continental margin
Stratigraphic age	Cretaceous or younger

Commodity and development information

Development status	Unknown
Major commodities	Cu
Gold-Moly ratio	-9999

Reference information

Comments	<0.2% Cu in disseminated ore and ?8% Cu in veins.
Study area name	Andes
References	Agar (1981); Atkin and others (1985); Singer and others (2008)
Site reference	Cunningham and others (2008)

Agar, R.A., 1981, Copper mineralization and magmatic hydrothermal brines in the Rio Pisco section of the Peruvian coastal batholith: Economic Geology, v. 76, p. 677693. (Also available at http://dx.doi.org/10.2113/gsecongeo.76.3.677.)

Atkin, B.P., Injoque-Espinoza, J.L., and Harvey, P., 1985, Cu-Fe-amphibole mineralization in the Arequipa segment, in Pitcher, W.S., Atherton, M.P., Cobbing, E.J., and Beckinsale, R.D., eds., Magmatism at a plate edgeThe Peruvian Andes: London, Blackie, p. 261270.

Singer, D.A., Berger, V.I., and Moring, B.C., 2008, Porphyry copper deposits of the worldDatabase and grade and tonnage models, 2008: U.S. Geological Survey Open-File Report 2008-1155, [45] p. and digital data, accessed December 31, 2013, at http://pubs.usgs.gov/of/2008/1155/.