Robert L. Group

The Robert L. Group is a copper mine located in Grant county, Oregon at an elevation of 6,919 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

Name: Robert L. Group  

State:  Oregon

County:  Grant

Elevation: 6,919 Feet (2,109 Meters)

Commodity: Copper

Lat, Long: 44.305, -118.79833

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 Robert L. Group

Robert L. Group MRDS details

Site Name

Primary: Robert L. Group
Secondary: Robert L.
Secondary: Marie Murry
Secondary: And Brookling Claims


Commodity

Primary: Copper


Location

State: Oregon
County: Grant
District: Canyon City 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: Malheur Natioal 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
Physiographic Detail: Blue Mountains


Mineral Deposit Model

Not available


Orebody

Not available


Structure

Not available


Alterations

Not available


Rocks

Name: Gabbro
Role: Associated
Age Type: Associated Rock Unit
Age Young: Late Permian

Name: Gabbro
Role: Associated
Age Type: Host Rock
Age Young: Late Permian

Name: Gabbro
Role: Associated
Age Type: Associated Rock
Age Young: Late Permian


Analytical Data

Not available


Materials

Ore: Chrysocolla
Ore: Malachite
Gangue: Serpentine
Gangue: Quartz


Comments

Comment (Reserve-Resource): THAYER AND OTHERS, 1977

Comment (Workings): WORKINGS INCLUDE TWO CAVED SHAFTS, 10 TO 15 FT DEEP, A 187 FT ADIT AND A PIT

Comment (Geology): COPPER-BEARING QUARTZ VEINS AND SERPENTINOUS LENSES IN A SHEAR ZONE IN GABBRO


References

Reference (Deposit): THAYER, T.P., CASE, J.E., AND STOTELMEYER, R.B., 1977, MINERAL RESOURCES OF THE STRAWBERRY MOUNTAIN WILDERNESS AND ADJACENT AREAS, GRANT COUNTY, OREGON: USGS OPEN-FILE REPORT 77-420, P. 95


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.