The Black Dragon Group is a manganese mine located in Pima county, Arizona at an elevation of 3,999 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: 3,999 Feet (1,219 Meters)
Commodity: Manganese
Lat, Long: 31.85333, -111.60944
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 Dragon Group MRDS details
Site Name
Primary: Black Dragon Group
Commodity
Primary: Manganese
Location
State: Arizona
County: Pima
Land Status
Not available
Holdings
Not available
Workings
Type: Surface
Ownership
Not available
Production
Year: 1955
Material type: CONC MN
Description: Ap_Grade: ^36.0% Mn
Year: 1954
Material type: ORE MN
Description: Ap_Grade: ^24.7% Mn
Year: 1953
Material type: ORE MN
Description: Ap_Grade: ^28.6% Mn
Deposit
Record Type: Site
Operation Category: Past Producer
Operation Type: Unknown
Year First Production: 1953
Discovery Year: 1952
Discovery Method: Unknown
Years of Production:
Organization:
Significant: N
Deposit Size: S
Physiography
Not available
Mineral Deposit Model
Not available
Orebody
Form: IRREGULAR FRACTURE FILLINGS
Structure
Type: R
Description: Block Faulting. ; Reg.Trends: Nw Faults - Earler
Type: L
Description: Ne Fracture Zone
Alterations
Not available
Rocks
Not available
Analytical Data
Not available
Materials
Ore: Pyrolusite
Comments
Comment (Location): TOWNSHIP AND RANGE UNSURVEYED; QUADRANGLE MAP WAS PUBLISHED IN 1941; MINES ARE NOT SHOWN.
Comment (Production): ALL EQUIPMENT WAS REMOVED FROM PROPERTY PRIOR TO MAY 1956.
Comment (Development): MINE WORKED BY COPLEN, BLACK DRAGON MINING CO. AND ARIZONA MATERIALS AND SERVICE CO. (BISBEE) BETWEEN 1952-1956
Comment (Deposit): DISCONTINUOUS LENSES, COATINGS, AND FRACTURE-FILLINGS OF MANGANESE OXIDES IN SHEARED AND BRECCIATED RHYOLITIC ROCKS.
Comment (Workings): OPEN CUT FOLLOWED MORE INTENSELY MINERALIZED FRACTURES; OTHER WORKINGS ARE PITS AND 30-FOOT SHAFT.
Comment (Geology): GEOL.DESC: FAIR (1965) SAYS MANGANESE IS IN BRECCIA ZONE ALONG UNCONFORMITY.
References
Reference (Deposit): FARNHAM, STEWART, AND DELONG, 1961, USBM IC 7990.
Reference (Deposit): FAIR C.L. 1965, GEOLOGY OF FRESNAL CANYON AREA: UNIV. ARIZ. PH.D. THESIS.
Reference (Deposit): NOWLAN, G.A., HAXEL, G.B., HANNA, W.F., PITKIN, J.A., DIVELEY-WHITE, D.V., MCDONNELL, J.R., JR., AND LUNDBY, WILLIAM, 1989, MINERAL RESOURCES OF THE BABOQUIVARI PEAK AND COYOTE MOUNTAINS WILDERNESS STUDY AREAS, PIMA COUNTY, ARIZONA: U.S. GEOLOGICAL SURVEY BULLETIN 1702, 30 P.
Reference (Deposit): 1956 RECON U.S.B.M. IC 7990
Reference (Deposit): FARNHAM, STEWART, AND DELONG, 1961, MANGANESE DEPOSITS OF EASTERN ARIZONA: USBM INF. CIRC. 7990
Reference (Other Database): CIMRI
Reference (Production): USBM IC 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.
