The Pioneer Mine is a silver and gold mine located in Grant county, Oregon at an elevation of 6,001 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: 6,001 Feet (1,829 Meters)
Commodity: Silver, Gold
Lat, Long: 44.71889, -118.65972
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: New Eldorado Mining and Reduction Co.
Secondary: E.B. Reed Property
Commodity
Primary: Silver
Primary: Gold
Tertiary: Zinc
Tertiary: Antimony
Location
State: Oregon
County: Grant
District: New Eldorado
Land Status
Administrative Organization: Malheur Natioal Forest
Holdings
Not available
Workings
Not available
Ownership
Not available
Production
Not available
Deposit
Record Type: Site
Operation Category: Past Producer
Deposit Type: Vein
Operation Type: Unknown
Years of Production:
Organization:
Significant: N
Physiography
General Physiographic Area: Intermontane Plateaus
Physiographic Province: Columbia Plateau
Physiographic Section: Blue Mountain Section
Mineral Deposit Model
Not available
Orebody
Not available
Structure
Not available
Alterations
Not available
Rocks
Not available
Analytical Data
Analytical Data: SAID TO CONTAIN LOW VALUES THROUGHOUT ALTERED ZONE.
Materials
Ore: Pyrargyrite
Ore: Stibnite
Ore: Pyrite
Ore: Gold
Gangue: Quartz
Comments
Comment (Geology): GEOL.DESC: COUNTRY ROCK IS CUT BY NUMEROUS COARSE - GRAINED DIKES OF GRANODIORITE - PORPHYRY, AND MANY VEINS IN ALTERED ZONE. ZONE HAS A SOFT MASS OF EXTREMELY ALTERED GRANODIORITE, IN WHICH FERRO-MAGNESIAN MINERALS HAVE BEEN NEARLY DECOMPOSED AND FELDSPARS HAVE BEEN KAOLINIZED.
Comment (Workings): DEVELOPMENT IS ALMOST ENTIRELY OF DRIFTS ALONG LARGER VEINS
Comment (Deposit): CONSV. RECORD (M015053) HAS BEEN MERGED WITH THIS RECORD AND DELETED FROM THE OREGON FILE.
Comment (Location): NE 1/4
References
Reference (Deposit): OREGON METAL MINES HANDBOOK, 1941, ODGMI BULL. 14-B, P.87
Oregon Gold
"Where to Find Gold in Oregon" 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 Oregon. Read more: Where to Find Gold in Oregon.
