Lower Granger and Shilo

The Lower Granger and Shilo is a copper and zinc mine located in Marion 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: Lower Granger and Shilo  

State:  Oregon

County:  Marion

Elevation:

Commodity: Copper, Zinc

Lat, Long: 44.8725, -122.25500

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 Lower Granger and Shilo

Lower Granger and Shilo MRDS details

Site Name

Primary: Lower Granger and Shilo
Secondary: Part of the Santiam Group


Commodity

Primary: Copper
Primary: Zinc


Location

State: Oregon
County: Marion
District: North Santiam


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.


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: Pacific Mountain System
Physiographic Province: Cascade-Sierra Mountains
Physiographic Section: Northern Cascade Mountains


Mineral Deposit Model

Not available


Orebody

Not available


Structure

Not available


Alterations

Not available


Rocks

Name: Andesite
Role: Host
Age Type: Host Rock
Age Young: Miocene


Analytical Data

Not available


Materials

Ore: Chalcopyrite
Ore: Pyrite
Ore: Sphalerite
Gangue: Calcite
Gangue: Quartz


Comments

Comment (Workings): OVER 900 FEET OF CROSSCUTS AND DRIFTS

Comment (Geology): SHILO TUNNEL FOLLOWS A SEAM OF PYRITIC ALTERED ROCK WITH QUARTZ AND CALCITE STRINGERS


References

Reference (Deposit): CALLAGHAN, E. AND BUDDINGTON, A.F., 1938, METALLIFEROUS MINERAL DEPOSITS OF THE WEST CASCADES IN OREGON; USBM BULL. 893, P. 97


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.