Oro Grande Mine

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

Name: Oro Grande Mine

State:  Arizona

County:  Yavapai

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.


Satelite image of the Oro Grande Mine

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

"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.