Tahonas

Porphyry copper prospect in Chihuahua, Mexico

Names and other identifiers

GMRAP ID 3047
Alternate names Corralitos Batopilas, Batopilas district
Tract name Western Sierra Madre Occidental and Laramide Central (003pCu3007x)
Group name Tahonas
Included sites Corralitos, Tahonas Porphry Copper
Site status prospect

Geographic location

Country Mexico
State or province Chihuahua
Geographic location -107.754415588, 27.013404947
Geologic map unit -107.754415588, 27.013404947
Nearby data

Geologic information

Deposit type Porphyry copper
Age (Ma) 33.95Ma
Age determination method unknown
Age range 33.95 Ma
Age reference Wilkerson (1983)
Associated rocks andesite dike, aplite, basalt dike, breccia, hornfels, quartz monzonite porphyry
Tectonic setting continental margin
Stratigraphic age Eocene–Oligocene

Commodity and development information

Development status Occurrence
Major commodities Cu
Minor commodities Ag
Trace commodities Au
Gold-Moly ratio -9999

Reference information

Comments Well developed mineralogical zonation in district is concentric around the deposit. Preliminary fluid inclusion homogenization temperatures 217 to 434 degrees C. Location is that of Corralitos gossan (oxidized surface expression of the Tahonas porphyry copper deposit). Corralitos is a porphyry copper prospect held by EXMIN in 2008 at the edge of the Batopilas silver camp and 4.5 km NW of the Satevo prospect. Phelps Dodge previously explored the area and defined a small near-surface oxide copper body, but determined that it was not big enough for them. However, little work has been done surrounding the copper core to the deposit, and there is potential for silver mineralization surrounding the intrusion. On Sinaloa-Durango border. Cluster of deposits. System is tilted 90 degrees on its side. Mo-rich core and fault between Cu-rich zone. Approximately 5 km W is the Los Ocotes prospect.
Study area name Mexico
References Wilkerson (1983); Wilkerson and others (1988); Maldano-Lee and others (2000); U.S. Geological Survey (2007); EXMIN Resources Inc. (2008)
Site reference Hammarstrom and others (2010)
EXMIN Resources Inc., 2008: EXMIN Resources Inc. home page accessed May 15, 2009, at http://www.exmin.com/. [Web page no longer available.]
Maldano-Lee, J.M., García-Palacios, Raúl, Larrañaga-Obregón, Gerardo, Sánchez-Bermeo, Gilberto, Aguilar-Carrizales, Alfredo, and Pierre-Prian, Jean, 2000, Carta geológico-minera, San Juanito G13-1, Chihuahua [Mexico]: Pachuca, Hidalgo, Servicio Geológico Mexicano, 1 sheet, scale 1:250,000.
U.S. Geological Survey, 2007, Mineral Resources Data System (MRDS): U.S. Geological Survey database, accessed December 15, 2007, at http://tin.er.usgs.gov/mrds/.Wilkerson, Gregg, 1983, Geology of the Batopilas mining district, Chihuahua, Mexico: University of Texas, El Paso, Ph. D. thesis, 2 vol., 642 p. (Abstract also available at http://digitalcommons.utep.edu/dissertations/AAI8420096/.)Wilkerson, Gregg; Deng, Quingping; Llavona, Ramon; and Goodell, P.C., 1988, Batopilas mining district, Mexico: Economic Geology, v. 83, p. 1721–1736. (Also available at http://dx.doi.org/10.2113/gsecongeo.83.8.1721.)