The Baboquivari Mine is a manganese mine located in Pima county, Arizona at an elevation of 4,501 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: 4,501 Feet (1,372 Meters)
Commodity: Manganese
Lat, Long: 31.7075, -111.60167
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.
Baboquivari Mine MRDS details
Site Name
Primary: Baboquivari Mine
Secondary: Black Diamond
Secondary: Red and Black Chief
Commodity
Primary: Manganese
Tertiary: Copper
Tertiary: Silver
Tertiary: Gold
Location
State: Arizona
County: Pima
District: Mildred Peak District
Land Status
Not available
Holdings
Not available
Workings
Type: Surface/Underground
Ownership
Owner Name: Forest G. Miller And Manuel L. Obregon
Production
Not available
Deposit
Record Type: Site
Operation Category: Past Producer
Operation Type: Unknown
Year First Production: 1917
Discovery Year: 1915
Discovery Method: 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
Form: IRREGULAR
Structure
Not available
Alterations
Not available
Rocks
Name: Andesite
Role: Associated
Age Type: Associated Rock
Age Young: Pliocene
Analytical Data
Analytical Data: TESTS ON HIGH GRADE SAMPLES CONTAINING 25% MN SHOWED A RECOVERY OF 81% OF MN IN A PRODUCT ASSAYING 55% MN AND 3.6 % IRON BY A COMBINATION OF METHODS INCLUDING CONCENTRATION BY TABLING AND FLOTATION FOLLOWED BY MAGNETIC SEPARATION.
Materials
Ore: Pyrolusite
Ore: Psilomelane
Comments
Comment (Location): MAP WAS PUBLISHED IN 1941 AND MINE IS NOT SHOWN.
Comment (Production): 1 OR 2 CARLOADS OF HANDSORTED ORE REPORTEDLY SHIPPED; EXPLORATION AND DEVELOPMENT SINCE HAS NOT RESULTED IN PRODUCTION.
Comment (Development): ECON.COM: POOR RECOVERY BY TABLING AND FLOTATION METHODS.
Comment (Deposit): IRREGULAR AND DISCONTINUOUS VEINLETS FROM A FRACTION OF AN INCH TO 1 FOOT OR MORE WIDE IN SPORADIC AREAS 1,500 FEET OR MORE ALONG STRIKE OF FRACTURE ZONE.
Comment (Workings): SAMPLE TRENCHES, 12 OR MORE OPENCUTS , ORE MINED FROM ONE 25-FT SHAFT AND 20-FT LONG OPEN STOPE.
Comment (Deposit): Discovery Year: WORLD WAR I
References
Reference (Deposit): FARNHAM, STEWART & DE LONG, 1961, USBM IC 7990.
Reference (Deposit): ABGMT BULL 189, P. 108.
Reference (Deposit): FARNHAM, L.L., STEWART, L.A., AND DE LONG, C.W., 1961, MANGANESE DEPOSITS OF EASTERN ARIZONA: U.S. BUREAU OF MINES INFORMATION CIRCULAR IC 7990, 178 P..
Reference (Deposit): 1941 DIREXPL USBM TRENCHING AND SAMPLING.
Reference (Deposit): 1953 DIREXPL PRIVATE PARTIES; DIAMOND DRILLING
Reference (Deposit): 1957 RECON USBM, IC 7990
Reference (Production): USBM, IC7990
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.
