Porphyry copper prospect in Arizona, United States

Names and other identifiers

Alternate names Empire
Tract name Western Sierra Madre Occidental and Laramide Central (003pCu3007x)
Site status prospect

Geographic location

Country United States
State or province Arizona
Geographic location -110.051144142, 32.017587827
Geologic map unit -110.051144142, 32.017587827
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 Prospect
Major commodities Cu
Gold-Moly ratio -9999

Reference information

Comments Partial resource of about 25 Mt at 0.50% Cu reported (acid soluble) from historic drilling. Cu-Mo porphyry project 90 km SE of Tucson. Targets include deep hypogene porphyry related to buried Laramide intrusion, supergene zone, and skarn. Open at depth.
Study area name United States
References Nations and Phillips (1997); Southern Silver Exploration Company (2014)
Site reference U.S. Geological Survey National Mineral Resource Assessment Team (2002)
Nations, J.D., and Phillips, Ken, 1997, The mining and minerals cluster in Arizona—An analysis for the strategic economic development vision for the Arizona-Sonora region: Flagstaff, Northern Arizona Uinversity, Bureau of Business and Economic Research, 112 p. [Later published in 2010 as Arizona Department of Mines and Mineral Resources Special Report 27.]
Southern Silver Exploration Company, 2014, Dragoon Project: Southern Silver Exploration Company Web page, accessed May 20, 2014, at http://southernsilverexploration.com/en/projects/dragoon-project/index.php.