Bald Eagle

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

Name: Bald Eagle  

State:  Oregon

County:  Grant

Elevation:

Commodity: Chromium

Lat, Long: 44.35556, -118.82250

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.


Satelite image of the Bald Eagle

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

"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.