The Geronimo Group is a manganese mine located in Pinal county, Arizona at an elevation of 2,549 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: 2,549 Feet (777 Meters)
Commodity: Manganese
Lat, Long: 33.07833, -110.86028
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.
Geronimo Group MRDS details
Site Name
Primary: Geronimo Group
Commodity
Primary: Manganese
Tertiary: Barium-Barite
Location
State: Arizona
County: Pinal
District: Steamboat Mountain District
Land Status
Land ownership: State
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
Not available
Ownership
Not available
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: Mexican Highland
Mineral Deposit Model
Not available
Orebody
Not available
Structure
Not available
Alterations
Not available
Rocks
Name: Sandstone
Role: Host
Age Type: Host Rock Unit
Age Young: Miocene
Name: Sandstone
Role: Host
Age Type: Host Rock
Age Young: Miocene
Analytical Data
Analytical Data: 1942 ASSAY WAS 30.2 PERCENT MANGANESE
Materials
Ore: Pyrolusite
Ore: Psilomelane
Gangue: Quartz
Gangue: Barite
Gangue: Calcite
Comments
Comment (Location): SW FLANK OF DRIPPING SPRINGS MOUNTAINS. ; INFO FROM LAND.ST :(1979)
Comment (Development): SEVEN UNPATENTED CLAIMS; FLORENCE NEATHERLIN, OWNER 1941
Comment (Deposit): LENSES UP TO A FEW TENS OF FEET, WIDTHS UP TO 4 FEET. FOUR PARALLEL ZONES 50 TO 200 FEED APART.
Comment (Workings): SCATTERED DISCOVERY PITS AND OPEN CUTS.
References
Reference (Deposit): USBM I-C. 7990, 1961, P. 152.
Reference (Deposit): USBM FILE DATA
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.
