La Bella Esperanza

Porphyry copper prospect in Sonora, Mexico

Names and other identifiers

GMRAP ID 3026
Tract name Western Sierra Madre Occidental and Laramide Central (003pCu3007x)
Site status prospect

Geographic location

Country Mexico
State or province Sonora
Geographic location -109.698222698, 30.256003358
Geologic map unit -109.698222698, 30.256003358
Nearby data

Geologic information

Deposit type Porphyry copper
Age (Ma) 55.9Ma
Age determination method whole rock
Age range 55.9 ±1.2 Ma
Age reference NAVDAT (2008)
Tectonic setting continental margin
Stratigraphic age Paleocene–Eocene

Commodity and development information

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

Reference information

Comments Age based on granodiorite within 0.5 km of prospect.
Study area name Mexico
References Pérez-Segura (1985); Palafox-Reyes and others (1998); Servicio Geológico Mexicano (2007); NAVDAT (2008); Damon, Shafiqullah and Clark (1983)
Site reference Hammarstrom and others (2010)
Damon, P.E., Shafiqullah, Muhammad, and Clark, K.F., 1983, Geochronology of the porphyry copper deposits and related mineralization of Mexico: Canadian Journal of Earth Sciences, v. 20 p. 1052–1071. (Also available at http://dx.doi.org/10.1139/e83-095.)NAVDAT, 2008, The western North American volcanic and intrusive rock database: NAVDAT database, accessed January 15, 2008, at http://www.navdat.org.
Palafox-Reyes, J.J., Minjarez-Sosa, Ismael, Saavedra-Monreal, Rogelio, Alamazán-Vázquez, Emelio, Morales-Montaño, Mariano, Ochoa-Landin-L.H., Rodríguez-Torres, Rafael, Rivera-Enriquez, Braulio, Castro-Escarrega, J.J., and Zamora-Tovar, R.E., 1998, Carta geológico-minera, Nacozari H12-6, Sonora [Mexico]: Pachuca, Hidalgo, Servicio Geológico Mexicano, 1 sheet, scale 1:250,000.
Pérez-Segura, E., 1985, Carta Metalogenética de Sonora 1:250,000—Una interpretación de la metalogenia de Sonora: Gobierno del Estado de Sonora Publicación 7, 64 p.
Servicio Geológico Mexicano, 2007, Base de datos de mineral de cobre de la cartografìa geològico minera: Subdirección de Geociencia Digital y Documentación Tècnica, 1:250,000.