The Bald Eagle is a chromium mine located in Grant 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.
Bald Eagle MRDS details
Site Name
Primary: Bald Eagle
Secondary: Oscar Pepper
Commodity
Primary: Chromium
Location
State: Oregon
County: Grant
District: Canyon
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: Podiform
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
Form: BANDED AND SPOTTED
Structure
Not available
Alterations
Not available
Rocks
Name: Dunite
Role: Host
Age Type: Host Rock Unit
Age Young: Late Permian
Analytical Data
Analytical Data: MILL CONCENTRATES ASSAYED 35.40 % CR2O3 AND 11.8 % IRON
Materials
Ore: Chromite
Comments
Comment (Deposit): NODULES AVERAGE THREE-EIGHTHS OF AN INCH IN LENGTH, THREE-SIXTEENTHS OF AN INCH IN THICKNESS. AVERAGE THICKNESS OF ORE AVERAGES 5 FT.
Comment (Workings): 2 PITS 10 TO 15 FEET LONG AND 6 FEET WIDE AND 20 FT. APART EXPOSE ORE.
Comment (Location): NE 1/4 SW 1/4
Comment (Geology): GEOL.DESC: SOUTH END OF ORE BODY IS CLEARLY INTRUSIVE INTO INCLUSION OF BASEMENT-COMPLEX DIORITE. BANDING IN CHROMITE IS PERPENDICULAR TO DIORITE CONTACT; JUTAPOSITION OF CHROMITE BODY AND INCLUSION SEEM ACCIDENTAL. CONTACT OF DUNITE AND ORE SHOW ABRUPT TRANSITIONS.
References
Reference (Deposit): OREGON METAL MINES HANDBOOK, 1941 , ODGMI, BULL 14 - B, P. 19 .
Reference (Deposit): 1952 GEOLMAP ODGMI FILE REPOR
Reference (Deposit): ALLEN, J. E., 1938 , CHROMITE DEPOSITS IN OREGON, ODGMI, BULL. 9 , P. 62 .
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.
