Donnelly Group

The Donnelly Group is a silver, copper, lead, zinc, and gold 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

Name: Donnelly Group  

State:  Oregon

County:  Wallowa

Elevation:

Commodity: Silver, Copper, Lead, Zinc, Gold

Lat, Long: 45.17278, -117.36917

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 Donnelly Group

Donnelly Group MRDS details

Site Name

Primary: Donnelly Group
Secondary: Blue Lake
Secondary: Packsaddle Lode


Commodity

Primary: Silver
Primary: Copper
Primary: Lead
Primary: Zinc
Primary: Gold


Location

State: Oregon
County: Wallowa
District: Wallowa


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: Wallowa-Whitman National Forest


Holdings

Not available


Workings

Not available


Ownership

Owner Name: I. E. Andrew


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: Andesite
Role: Associated
Age Type: Host Rock Unit
Age Young: Late Cretaceous

Name: Andesite
Role: Associated
Age Type: Associated Rock Unit
Age Young: Pliocene


Analytical Data

Analytical Data: 12.6 G/TON SILVER
Analytical Data: 2.6 G/TON GOLD
Analytical Data: 0.13 PERCENT COPPER


Materials

Ore: Galena
Ore: Tetrahedrite
Ore: Sphalerite
Ore: Chalcopyrite
Gangue: Quartz


Comments

Comment (Development): ECON.COM: A SULPHIDE ORE IN THIS LOCALITY WOULD NEED TO BE HIGH GRADE IN ORDER TO MAKE IT ECONOMIC IN SUCH AN INACCESSIBLE LOCATION.

Comment (Workings): 6 PITS

Comment (Geology): GEOL.DESC: FOR A WIDTH OF 8 TO 10 FT. IN A 20 TO 30 FT. WIDE PORPHYRY DIKE, IRREGULAR QUARTZ VEINLETS HAVE BEEN DEPOSITED IN SHATTERED ZONE.

Comment (Deposit): RECORD NO. M015163 MERGED WITH THIS RECORD AND DELETED FROM OREGON FILE


References

Reference (Deposit): WEIS, P.L., AND OTHERS, 1976, MINERAL RESOURCES OF THE EAGLE CAP WILDERNESS AND ADJACENT AREAS, OREGON: USGS BULL. 1385-E, P. 76.

Reference (Deposit): OREGON METAL MINES HANDBOOK, 1939 , ODGMI BULL. 14 - A, P. 116 .


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.