Grande Ronde Mines

The Grande Ronde Mines is a gold mine located in Union 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: Grande Ronde Mines

State:  Oregon

County:  Union

Elevation:

Commodity: Gold

Lat, Long: 45.01333, -118.26639

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 Grande Ronde Mines

Grande Ronde Mines MRDS details

Site Name

Primary: Grande Ronde Mines
Secondary: Aurelia


Commodity

Primary: Gold


Location

State: Oregon
County: Union
District: Camp Carson


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
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

Name: Diorite
Role: Associated
Age Type: Host Rock
Age Young: Late Jurassic

Name: Diorite
Role: Associated
Age Type: Associated Rock
Age Young: Late Jurassic

Name: Diorite
Role: Associated
Age Type: Associated Rock Unit
Age Young: Late Jurassic


Analytical Data

Analytical Data: SAID TO BE HIGH-GRADE ORE


Materials

Not available


Comments

Comment (Location): IN THE SOUTHERN PART OF UNION COUNTY

Comment (Workings): CONSIDERABLE DEVELOPMENT WORK VERY SMALL PRODUCTION FROM EXPLORATION WORK PRIOR TO 1940

Comment (Production): VERY SMALL PRODUCTION FROM EXPLORATION WORK PRIOR TO 1940

Comment (Deposit): REPORTED TO BE STANDARD VEIN

Comment (Geology): GEOL.DESC: NO DEFINITE INFORMATION AVAILABLE.


References

Reference (Deposit): OREGON METAL MINES HANDBOOK, 1939 , ODGMI BULL. 14 - A, P. 111


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.