Online Spatial Data
Global assessment of undiscovred copper resources
Porphyry copper prospect in
Arizona, United States
Names and other identifiers
Age determination method
~80–35 Ma (Laramide orogeny)
Commodity and development information
Total reserves and resources April 3, 2007 of 21,410,000 t at 0.58% Cu for 4M breccia pipe associated with a locally porphyrytic biotite-hornblende granodiorite.
Study area name
Nations and Phillips (1997); Black Pearl Minerals Consolidated Inc. (2007)
U.S. Geological Survey National Mineral Resource Assessment Team (2002)
Black Pearl Minerals Consolidated Inc., 2007, Black Pearl drills 18 meters of 0.81% copper, 0.139% molybdenum at 4 Metals propertyAcquires additional property: Black Pearl Minerals Consolidated Inc., press release, September 10, 2007, 1 p., accessed June 14, 2014, at http://www.marketwired.com/press-release/Black-Pearl-Drills-18-Meters-081-Copper-0139-Molybdenum-4-Metals-Property-Acquires-TSX-V-BLK-768296.htm.
Nations, J.D., and Phillips, Ken, 1997, The mining and minerals cluster in ArizonaAn 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.]