Porphyry copper prospect in Sonora, Mexico

Names and other identifiers

Alternate names Los Cusis
Tract name Western Mexican Basin and Range and Laramide Southwest (003pCu3006x)
Site status prospect

Geographic location

Country Mexico
State or province Sonora
Geographic location -109.366680375, 27.607623714
Geologic map unit -109.366680375, 27.607623714
Nearby data

Geologic information

Deposit type Porphyry copper
Age determination method Geologic inference
Age range ~80–35 Ma(?) (Laramide orogeny(?))
Age reference geologic inference
Associated rocks granite-granodiorite
Tectonic setting continental margin
Stratigraphic age Late Cretaceous–Paleocene–Eocene(?)

Commodity and development information

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

Reference information

Comments Located on 500K state map (prospect on 1:250K map is named Los Cusis). Definitely a porphyry copper, not significant; explored by Phelps-Dodge in the past. Alteration: none.
Study area name Mexico
References Minjárez-Sosa and others (2002); Fitch (2000)
Site reference Hammarstrom and others (2010)
Fitch, D.C., 2000, Mexico mineral occurrences, map and GIS database (3,722 selected mineral occurrences from Consejo de Recursos Minerales Monograph data with USGS selected data): Reno, Nev., David C. Fitch, CD-ROM. (Commercial data available from David C. Fitch, Consulting Geologist, P.O. Box 70547, Reno, NV 89570, USA or at
Minjárez-Sosa, Ismael, Montño-Jiménez, T.R., Ochoa-Granillo, José, Grijalva-Noriega, F.J., Ochoa-Landín, L.H., Urbina-Herrera, Saúl, Guzmán-Espinosa, J.B., and Mancilla-Gutiérrez, A.A., 2002, Carta geológico-minera, Ciudad Obregón G12-3, Sonora, Chihuahua: Servicio Geológico Mexicano, 1 sheet, scale 1:250,000.