The Black Jewel Claim is a manganese mine located in Pinal county, Arizona at an elevation of 1,549 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: 1,549 Feet (472 Meters)
Commodity: Manganese
Lat, Long: 32.72722, -111.77722
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.
Black Jewel Claim MRDS details
Site Name
Primary: Black Jewel Claim
Commodity
Primary: Manganese
Location
State: Arizona
County: Pinal
Land Status
Not available
Holdings
Not available
Workings
Type: Surface/Underground
Ownership
Not available
Production
Year: 1956
Time Period: 1955-1956
Material type: MN
Description: Cp_Grade: ^Sorted 29 % Mn Ore
Deposit
Record Type: Site
Operation Category: Past Producer
Operation Type: Unknown
Year First Production: 1955
Discovery Year: 1955
Discovery Method: Ore-Mineral In Place
Years of Production:
Organization:
Significant: N
Deposit Size: S
Physiography
Not available
Mineral Deposit Model
Not available
Orebody
Form: PODS, IRREGULAR
Structure
Type: R
Description: Block Faulting Trending Nnw.
Alterations
Not available
Rocks
Name: Granite
Role: Associated
Age Type: Host Rock
Age Young: Neoproterozoic
Name: Granite
Role: Associated
Age Type: Associated Rock
Age Young: Neoproterozoic
Analytical Data
Analytical Data: SORTED ORE CONTAINED 29 PCT. MN
Materials
Ore: Psilomelane
Gangue: Hematite
Comments
Comment (Development): ALL EQUIPMENT EXCEPT HEADFRAME REMOVED AND PROPERTY IDLED IN 1956 ; ECON.COM: EASY ACCESS BY ROAD
Comment (Location): INFO FROM LAND.ST :(1964)
Comment (Deposit): MN MINERALIZATION OCCURS IN FRACTURES AS PODS AND IRREGULAR SEGREGATIONS. SOME MINERALIZATION AROUND FAULT BRECCIA.
Comment (Workings): 55 FT. INCLINED SHAFT. 30 FT. DRIFT. SHALLOW OPEN CUTS ON EITHER SIDE OF THE SHAFT.
Comment (Geology): GEOL.DESC: MN MINERALIZATION OCCURS IN FRACTURES IN COARSE-GRAINED GRANITE.
References
Reference (Production): FARNHAM, L.L., ET. AL. 1961
Reference (Deposit): 1961 COMPILE U.S. BUREAU MINES, I.C. 799
Reference (Deposit): FARNHAM, L.L., STEWART, L.A., DELONG, C.W., 1961, U.S. BUREAU MINES I.C. 7990
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.
