The Old Pioneer Mine is a silver mine located in Gila county, Arizona at an elevation of 4,600 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: 4,600 Feet (1,402 Meters)
Commodity: Silver
Lat, Long: 33.23444, -110.83722
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.
Old Pioneer Mine MRDS details
Site Name
Primary: Old Pioneer Mine
Secondary: Pioneer
Secondary: White Metal
Commodity
Primary: Silver
Secondary: Lead
Secondary: Gold
Secondary: Copper
Location
State: Arizona
County: Gila
District: Pinal Mountains District
Land Status
Land ownership: Private
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: Underground
Ownership
Owner Name: White Metal Mining Co.
Years: 1969 -
Production
Not available
Deposit
Record Type: Site
Operation Category: Producer
Operation Type: Unknown
Year First Production: 1875
Year Last Production: 1969
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
Type: R
Description: Dripping Springs Quartzite Is In Fault Contact With Diabase To S., Fault Strikes Nw. Dripping Springs Quartzite Strikes E-W Dips 20-25 S. Barnes Conglomerate Is Present Both At The Dripping Springs-Diabase Contact, And At Dripping Springs-Pioneer Shale Contact, Which Strikes Nw. Width Of Dripping Springs Quartzite, 100 M. At Mine
Type: L
Description: Two Parallel Ne Trending Faults
Alterations
Not available
Rocks
Name: Rhyolite
Role: Associated
Age Type: Associated Rock
Age Young: Paleocene
Name: Rhyolite
Role: Associated
Age Type: Host Rock
Age Young: Neoproterozoic
Analytical Data
Not available
Materials
Ore: Sphalerite
Ore: Argentite
Ore: Galena
Gangue: Quartz
Gangue: Barite
Gangue: Calcite
Comments
Comment (Location): GROUP OF ADITS AND SHAFTS, CENTRAL SHAFT USED FOR UTM ; INFO FROM LAND.ST :(1979)
Comment (Deposit): THREE MAJOR NE STRIKING VEINS, 1 TO 3 METERS WIDE. 8 TO 10 FT IN OPEN CUTS, LOW GRADE
Comment (Development): WHITE METAL MINING COMPANY WAS MAIN PRODUCER IN 1920'S. CLIPPINGS REPORT THAT HIGH GRADE ORE WAS PRODUCED IN 1884.
Comment (Workings): 700 FT OF STOPING ON THE 200 AND 300 FT LEVELS OF THE 450 FT. SHAFT. ALSO A 350 FT SHAFT ON THE HOWARD VEIN, WHERE 750 FT OF STOPING IS PRESENT ON THE 200 FT LEVEL. OPEN CUTS ARE ALSO PRESENT
Comment (Geology): LCRET-TERT RHYOLITE OUTCROPS 1/8 MILE NE OF MINE, IN CONTACT WITH PIONEER SHALE, RHYOLITE OF THIS AGE COMMON IN AREA IN BOTH PIONEER SHALE AND RUIN GRANITE
References
Reference (Deposit): ABGMT-USBM PRODUCTION DATA
Reference (Deposit): ABGMT CLIPPINGS FILE
Reference (Deposit): ADMR PIONEER MINE FILE
Reference (Deposit): USGS GEOLOGIC QUADRANGLE GQ-1442, 1978
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.
