Los Humos

Porphyry copper prospect in Sonora, Mexico

Names and other identifiers

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

Geographic location

Country Mexico
State or province Sonora
Geographic location -111.917883004, 31.231049758
Geologic map unit -111.917883004, 31.231049758
Nearby data

Geologic information

Deposit type Porphyry copper
Age determination method Geologic inference
Age range ~80–35 Ma(?) (Laramide orogeny(?))
Age reference geologic inference
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 Location uncertain; plotted in Sierra El Humo area in SW corner of Nogales 1:250,000-scale map. Los Humos porphyry copper exploration project of Pecobre Mining Company (joint venture between Codelco and Industria Peñoles de Mexico); described as 300 Mt of 0.3% Cu in leachable ore resources (Ingeneiro Andino, 2003).
Study area name Mexico
References Castro-Escárrega and others (2007); Ingeniero Andino (2003)
Site reference Hammarstrom and others (2010)
Castro-Escárrega, J.J.; López-Escalona, Juan; Díaz-Salgado, Ciro; and Espinoza-Beltrán, Carlos, comps., 2007, Carta geólogico-minera, Estado de Sinaloa: Servicio Geológico Mexicano, 1 sheet, scale 1:500,000.
Ingeniero Andino, 2003, Mexico (Projects and engineering in Chile, Peru, Bolivia, and Argentina): Santiago, Ingeniero Andino, vol. X, no. 602, June 11, 2003, p. 94, accessed May 15, 2009, at http://www.mch.cl/ingandino/ingandino/historico/ingles/IA602ing.pdf.