The Oro Grande Mine is a gold mine located in Yavapai county, Arizona at an elevation of 2,520 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: 2,520 Feet (768 Meters)
Commodity: Gold
Lat, Long: 34.0275, -112.72306
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.
Oro Grande Mine MRDS details
Site Name
Primary: Oro Grande Mine
Commodity
Primary: Gold
Secondary: Silver
Tertiary: Copper
Location
State: Arizona
County: Yavapai
District: Black Rock District
Land Status
Not available
Holdings
Not available
Workings
Type: Underground
Ownership
Owner Name: George Upton, Wickenburg (1950'S)
Owner Name: Oro Grande Cons
Production
Not available
Deposit
Record Type: Site
Operation Category: Producer
Operation Type: Unknown
Year First Production: 1904
Year Last Production: 1932
Discovery Year: 1900
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: Foliation In Precambrian Schist Trends N35e
Type: L
Description: Veins And Genetically-Related (?) Dikes Trend N-S Or Subparallel (N30e) To Schist
Alterations
Not available
Rocks
Name: Trachyte
Role: Associated
Age Type: Host Rock Unit
Age Young: Neoproterozoic
Analytical Data
Not available
Materials
Ore: Gold
Ore: Chalcopyrite
Gangue: Calcite
Gangue: Quartz
Gangue: Hematite
Comments
Comment (Workings): ORO GRANDE SHAFT ON COPPERHEAD CLAIM, WHICH CONTAINS MAIN WORKINGS. FRENCHMAN CLAIM AND OREBODY IS 1100 FT NORTH OF THE COPPERHEAD. 3 SHAFTS ON PROPERTY
Comment (Geology): DEPOSIT IS UNLIKE OTHER VEINS IN BLACK ROCK DISTRICT DUE TO ITS GREAT WIDTH, HIGH-ANGLE ORIENTATION, AND SHEAR ZONE-LIKE GEOMETRY
Comment (Development): PROPERTY CONSISTS OF 9 PATENTED CLAIMS: COPPER HEAD, MAY, DUTCHMAN, FRENCHMAN, NEGRO BEN, COLOSSAL, ALMA, MONTANA, AND ORO GRANDE
Comment (Deposit): DEPOSIT IS SHEAR ZONE SEPARATING GRANODIORITE OR MASSIVE AMPHIBOLITE ON THE WEST FROM A MIXTURE OF SCHIST AND AMPHIBOLITE ON THE EAST.
Comment (Deposit): ORO GRANDE VEIN TRENDS NE, PARALLEL TO PRECAMBRIAN FOLIATION. MOST VEINS IN BLACK ROCK DISTRICT TREND NW, PERPENDICULAR TO PRECAMBRIAN FABRIC. THE ORO GRANDE AND GRIJALUA MAY BE OLDER VEINS THAN THE REMAINDER OF THE BLACK ROCK DISTRICT ; INFO.SRC : 1 PUB LIT; 2 UNPUB REPT
References
Reference (Deposit): AZ MINING JOUR, 1918, VOL. 6, #7, P. 7.
Reference (Deposit): ABM BULL 137 P. 62
Reference (Deposit): AZ. DEPT MIN. RESOURCES FILE DATA
Reference (Deposit): ABGMT CLIPPINGS FILES
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.