The Union Mine is a gold mine located in Baker county, Oregon at an elevation of 4,321 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: 4,321 Feet (1,317 Meters)
Commodity: Gold
Lat, Long: 44.87778, -117.34361
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.
Union Mine MRDS details
Site Name
Primary: Union Mine
Secondary: Union Tunnel Company
Secondary: Cynthia Claims
Commodity
Primary: Gold
Location
State: Oregon
County: Baker
District: Sparta District
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.
Administrative Organization: Wallowa-Whitman National Forest
Holdings
Not available
Workings
Not available
Ownership
Owner Name: J. Thompson
Home Office: Baker, Or.
Years: 1979 -
Production
Not available
Deposit
Record Type: Site
Operation Category: Past Producer
Operation Type: Unknown
Discovery Year: 1875
Years of Production:
Organization:
Significant: N
Deposit Size: S
Physiography
General Physiographic Area: Intermontane Plateaus
Physiographic Province: Columbia Plateau
Physiographic Section: Payette Section
Mineral Deposit Model
Not available
Orebody
Not available
Structure
Not available
Alterations
Not available
Rocks
Name: Granite
Role: Associated
Age Type: Associated Rock
Age Young: Late Triassic
Name: Granite
Role: Associated
Age Type: Associated Rock Unit
Age Young: Late Triassic
Name: Granite
Role: Associated
Age Type: Host Rock
Age Young: Late Triassic
Analytical Data
Not available
Materials
Ore: Iron
Gangue: Quartz
Comments
Comment (Production): PRODUCTION FIGURES NOT VERIFIED.
Comment (Deposit): Discovery Year: 1870'S
References
Reference (Production): LINDGREN,1901
Reference (Deposit): LINDGREN, W., 1901, GOLD BELT OF THE BLUE MOUNTAINS OF EASTERN OREGON; USGS ANN. REPT. NO. 22, P. 736
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.
