The Aguinaldo Mine Group is a manganese, lead, and silver mine located in Pima county, Arizona at an elevation of 3,796 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: 3,796 Feet (1,157 Meters)
Commodity: Manganese, Lead, Silver
Lat, Long: 31.91806, -111.28556
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.
Aguinaldo Mine Group MRDS details
Site Name
Primary: Aguinaldo Mine Group
Secondary: Hump
Secondary: Purcell
Secondary: Black Beauty
Commodity
Primary: Manganese
Primary: Lead
Primary: Silver
Secondary: Copper
Secondary: Gold
Tertiary: Molybdenum
Location
State: Arizona
County: Pima
District: Papago 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
Type: Surface/Underground
Ownership
Owner Name: Marvin Combs
Years: 1969 -
Production
Not available
Deposit
Record Type: Site
Operation Category: Past Producer
Operation Type: Unknown
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
Not available
Structure
Type: L
Description: Fractured, Faulted Nnw Slivers Of Paleozoios; Thrust Faults
Alterations
Alteration Type: L
Alteration Text: Oxidized Fe & Mn Carrying Ag & Pb; Fractured And Silicified Limest One
Rocks
Name: Diorite
Role: Associated
Age Type: Host Rock
Age Young: Mississippian
Analytical Data
Analytical Data: HIGH GRADE ORE CONTAINED 19-29% M & 16-21% FE SOME ORE REPORTED ASSAYED UP TO 300 OZ/T AG
Analytical Data: SAMPLES FROM LARGER DEPOSITS AVERAGED 10% MN & 10% FE
Materials
Ore: Malachite
Ore: Pyrite
Ore: Galena
Ore: Molybdenite
Ore: Pyrolusite
Ore: Chalcopyrite
Gangue: Tremolite
Gangue: Limonite
Comments
Comment (Production): ORIGINALLY WORKED FOR SILVER PRIOR TO 1900 WITH MINOR SPORADIC, SU BSEQUENT PRODUCTION PRIOR TO 1900, 1920-1940, 1942, AND 1969. SOME COP PER AND HAND PICKED WULFENITE
Comment (Deposit): THIS REPORT REPRESENTS A MERGER OF ORIGINAL RECORD M050526 WITH RE CORD M050526 OF JAN WILT IN MOLYBDENUM FILE; CONTACT PERSON T.G. THEOD ORE, USGS ; INFO.SRC : 1 PUB LIT; 2 UNPUB REPT
Comment (Development): 22 CONTIGUOUS UNPATENTED CLAIMS
Comment (Deposit): ORE BODIES DIP FROM 45-80E, CONFORMABLE WITH THE LIMESTONE. 3 OF THE LARGEST MN OCCURRENCES ARE IRREGULAR PODLIKE MASSES FROM 2-15 FT W IDE AND 10-50 FT LONG. THEY ARE SEPARATED BY 100-400 FT OF BARREN OR S PARSELY MINERALIZED LIMESTONE.
Comment (Workings): ADITS, SHAFTS, AND OPEN CUTS; 200 FT SHAFT
Comment (Geology): NEARBY ARE BISBEE GROUP, CONTINENTAL GRANODIORITE, AND PINAL SCHIS T
References
Reference (Deposit): FARNHAM, STEWART, & DELONG, 1961, USBM IC 7990, P. 119-120
Reference (Deposit): KEITH, 1974, ABM BULL 189, P. 131
Reference (Production): KEITH, 1974, P. 131; USBM IC 7990
Reference (Reserve-Resource): 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.
