The Imnaha Group is a copper and silver mine located in Wallowa county, Oregon.
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
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.
Imnaha Group MRDS details
Site Name
Primary: Imnaha Group
Secondary: Bluebird Copper-Silver
Commodity
Primary: Copper
Primary: Silver
Location
State: Oregon
County: Wallowa
Land Status
Administrative Organization: Wallowa-Whitman National Forest
Holdings
Not available
Workings
Not available
Ownership
Not available
Production
Not available
Deposit
Record Type: Site
Operation Category: Occurrence
Operation Type: Unknown
Years of Production:
Organization:
Significant: N
Deposit Size: S
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
Name: Andesite
Role: Associated
Age Type: Associated Rock
Age Young: Late Triassic
Name: Andesite
Role: Associated
Age Type: Host Rock
Age Young: Late Triassic
Name: Andesite
Role: Associated
Age Type: Host Rock Unit
Age Young: Late Triassic
Analytical Data
Not available
Materials
Ore: Malachite
Ore: Chalcopyrite
Gangue: Quartz
Gangue: Prehnite
Gangue: Calcite
Comments
Comment (Deposit): VISIBLE CONCENTRATIONS OF COPPER MINERALS ARE SMALL AND WIDELY SEPARATED
Comment (Geology): MINERALIZATION IS LOCALIZED ALONG FRACTURES AND IN AMYGDULES. THE DEPOSITS ARE IN A SMALL WINDOW OF LATE TRIASSIC ROCKS, SURROUNDED BY TERTIARY BASALT
Comment (Location): THE PROSPECT IS IN THE IMNAHA RIVER CANYON ABOUT 6.5 MILES NORTH OF IMNAHA
References
Reference (Deposit): WAGNER, N.S., 1947, IMNAHA COPPER CLAIMS: ODGMI UNPUBLISHED REPORT.
Reference (Deposit): WAGNER, N.S., 1947, IMNAHA COPPER CLAIMS: OREGON DEPARTMENT OF GEOLOGY AND MINERAL INDUSTRIES UNPUBLISHED REPORT.
Reference (Deposit): 1947 RECON ODGMI UNPUB. REPT
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.
