The Grand Prize Mine is a copper mine located in Pinal county, Arizona at an elevation of 3,681 feet.
About the MRDS Data:
All mine locations were obtained from the USGS Mineral Resources Data System. The locations and other information in this database have not been verified for accuracy. It should be assumed that all mines are on private property.
Mine Info
Elevation: 3,681 Feet (1,122 Meters)
Commodity: Copper
Lat, Long: 32.88583, -110.95306
Map: View on Google Maps
Satelite View
MRDS mine locations are often very general, and in some cases are incorrect. Some mine remains have been covered or removed by modern industrial activity or by development of things like housing. The satellite view offers a quick glimpse as to whether the MRDS location corresponds to visible mine remains.
Grand Prize Mine MRDS details
Site Name
Primary: Grand Prize Mine
Secondary: Grand View
Commodity
Primary: Copper
Secondary: Silver
Secondary: Gold
Location
State: Arizona
County: Pinal
District: Horse Ranch District
Land Status
Land ownership: BLM Administrative Area
Note: the land ownership field only identifies whether the area the mine is in is generally on public lands like Forest Service or BLM land, or if it is in an area that is generally private property. It does not definitively identify property status, nor does it indicate claim status or whether an area is open to prospecting. Always respect private property.
Holdings
Not available
Workings
Not available
Ownership
Not available
Production
Not available
Deposit
Record Type: Site
Operation Category: Producer
Deposit Type: Vein
Operation Type: Unknown
Year First Production: 1931
Year Last Production: 1954
Discovery Method: Ore-Mineral In Place
Years of Production:
Organization:
Significant: N
Deposit Size: S
Physiography
General Physiographic Area: Intermontane Plateaus
Physiographic Province: Basin And Range Province
Physiographic Section: Sonoran Desert
Mineral Deposit Model
Not available
Orebody
Form: TABULAR
Structure
Type: R
Description: Nnw Trending Thrust Faulting Through Area-Main One Ripsey Wash Fault 1 Mile East
Type: L
Description: Cret-Tert Ene Trending Hornblende Porphyry Dikes 1/2 Mile South And Sw
Alterations
Not available
Rocks
Name: Granite
Role: Host
Age Type: Host Rock Unit
Age Young: Neoproterozoic
Name: Granite
Role: Host
Age Type: Host Rock
Age Young: Neoproterozoic
Analytical Data
Not available
Materials
Ore: Chalcopyrite
Gangue: Quartz
Gangue: Pyrite
Comments
Comment (Workings): 3 SHAFTS, 1-50 FT DEEP, 1-100 FT DEEP, 1-70 FT DEEP; 2 ADITS, 1 AT 50 FT LEVEL, 200 FT IN LENGTH; 1 AT 70 FT LEVEL, 120 FT IN LENGTH.
Comment (Geology): MINERALIZATION ASSOCIATED WITH CRET-TERT INTRUSIVE PERIOD - EASTERLY STRIKING FAULTS AND SHEARS THROUGHOUT AREA.
Comment (Location): 1 1/4 MILES SOUTH OF TECOLOTE RANCH. ; INFO FROM LAND.ST :(1979)
Comment (Development): OPERATORS INCLUDED: E. H. MOORES AND SONS; W.C. BEST; ORVAL CORMAN, 54; CHAS. S. BOOTH; WM. G. FOX, 1936; B.H. NUMEYER, 1935.
Comment (Deposit): MANY VEINS AND STREAKS WIDEST IS ABOUT 3 FT WIDE
References
Reference (Deposit): ADMR GRAND PRIZE FILE
Reference (Deposit): USBM FILE DATA CLUSTER #1216
Reference (Deposit): ABGMT-USBM FILE DATA
Reference (Deposit): ROLAND J. SCHWARTZ, 1954. GENERAL RECONNAISSANCE OF THE CENTRAL TORTILLA MOUNTAINS, PINAL COUNTY, ARIZONA. UNIV OF ARIZONA M.S. THESIS
Arizona Gold
"Where to Find Gold in Arizona" looks at the density of modern placer mining claims along with historical gold mining locations and mining district descriptions to determine areas of high gold discovery potential in Arizona. Read more: Where to Find Gold in Arizona.
