The Pioneer Mine is a gold mine located in Placer county, California at an elevation of 3,199 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: 3,199 Feet (975 Meters)
Commodity: Gold
Lat, Long: 39.16694, -120.72667
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.
Pioneer Mine MRDS details
Site Name
Primary: Pioneer Mine
Secondary: Pioneer Cons.
Commodity
Primary: Gold
Secondary: Silver
Location
State: California
County: Placer
District: Damascus
Land Status
Land ownership: National Forest
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
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: Pacific Mountain System
Physiographic Province: Cascade-Sierra Mountains
Physiographic Section: Sierra Nevada
Mineral Deposit Model
Not available
Orebody
Form: RIBBON-LIKE
Structure
Type: L
Description: Vein Follows Dike Through Most Of Claim.
Alterations
Not available
Rocks
Name: Slate
Role: Host
Age Type: Host Rock
Age Young: Pennsylvanian
Analytical Data
Not available
Materials
Ore: Gold
Gangue: Quartz
Comments
Comment (Production): FIRST WORKED 1854-1862. SOME PRODUCTION THROUGH 1922. NO OTHER PRODUCTION RECORD FOUND.
Comment (Deposit): 2 VEINS, LYNN VEIN 14 FT. THICK. PIONEER VEIN 2 1/2 - 9 FT. THICK. BOTH CARRY SULFIDES.
Comment (Workings): 13 LEVELS, SHAFT, TUNNELS, DRIFTS, ADITS, WINZE, STOPING ALONG VEINS.
Comment (Deposit): PATENTED. 728 ACRES. ; INFO.SRC : 1 PUB LIT
Comment (Location): UTM ACC SW 1/4 SEC. 3
Comment (Commodity): AG LESS THAN 1% AU
References
Reference (Deposit): LOGAN, C. A., 1936 , GOLD MINES OF PLACER COUNTY, CALIFORNIA: CALIFORNIA JOURNAL OF MINES AND GEOLOGY, V. 32 , NO. 1 , P. 31 - 33 .
Reference (Deposit): WARING, CLARENCE A., 1917 , PLACER COUNTY: REPORT 15 OF THE STATE MINERALOGIST, CALIFORNIA STATE MINING BUREAU, P. 347 .
Reference (Deposit): CRAWFORD, J. J., 1894 , GOLD-PLACER COUNTY: REPORT 12 OF THE STATE MINERALOGIST, CALIFORNIA STATE MINING BUREAU, P. 211 .
Reference (Production): LOGAN ( 1936 )
California Gold
"Where to Find Gold in California" 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 California. Read more: Where to Find Gold in California.
