El Hito

Porphyry copper prospect in Zamora-Chinchipe, Ecuador

Names and other identifiers

GMRAP ID 236
Alternate names Hito, Pachicutza, Santa Barbara
Tract name Colombia-Ecuador-Peru Jurassic San Carlos (005pCu1003)
Site status prospect

Geographic location

Country Ecuador
State or province Zamora-Chinchipe
Geographic location -78.95, -4.25
Geologic map unit -78.95, -4.25
Nearby data

Geologic information

Deposit type Porphyry copper
Age determination method Geologic inference
Age range Jurassic
Age reference Singer and others (2008)
Minerals biotite, chalcopyrite, chlorite, covellite, epidote, illite, malachite, molybdenite, pyrite, sericite, sphalerite
Associated rocks rhyodacite porphyry, granite porphyry, quartz diorite, granodiorite, sedimentary rocks
Tectonic setting continental margin
Stratigraphic age Jurassic

Commodity and development information

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

Reference information

Comments Chip samples reported ?1.8% Cu, commonly 0.1 to 0.5% Cu.
Study area name Andes
References Gendall and others (2000); PRODEMINCA (2000a); PRODEMINCA (2000b); Singer and others (2008)
Site reference Cunningham and others (2008)
Gendall, I.R., Quevedo, L.A., Sillitoe, R.H., Spencer, R.M., Puente, C.O., León, J.P., and Romulo, R.P., 2000, Discovery of a Jurassic porphyry copper belt, Pangui area, southern Ecuador: Society of Economic Geologists SEG Newsletter, no. 43, p. 1–15. (Also available at http://www.segweb.org/pdf/publications/newsletters/2000/SEG-Newsletter-43-2000-October.pdf.)
PRODEMINCA, 2000a, Evaluacion distritos mineros del Ecuador—Depositos porfidicos y epi-mesotermales relacionados con intrusiones de las Cordilleras Occidental y Real: Ministerio de Energia y Minas, Subsecretaria de Minas, Direccion Nacional de Geologia, Proyecto de Desarrolo Minero y Control Ambiental (PRODEMINCA), v. 5, 223 p.
PRODEMINCA, 2000b, Manual de exploracion de depositos metaliferos en el Ecuador: Ministerio de Energia y Minas, Subsecretaria de Minas, Direccion Nacional de Geologia, Proyecto de Desarrolo Minero y Control Ambiental (PRODEMINCA), 100 p.
Singer, D.A., Berger, V.I., and Moring, B.C., 2008, Porphyry copper deposits of the world—Database 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/.