The Grimes Co. Placers

The The Grimes Co. Placers is a gold mine located in Boise county, Idaho at an elevation of 5,200 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: The Grimes Co. Placers  

State:  Idaho

County:  Boise

Elevation: 5,200 Feet (1,585 Meters)

Commodity: Gold

Lat, Long: 43.9583, -115.85750

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 The Grimes Co. Placers

The Grimes Co. Placers MRDS details

Site Name

Primary: The Grimes Co. Placers


Commodity

Primary: Gold


Location

State: Idaho
County: Boise
District: Idaho 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: Boise National Forest


Holdings

Not available


Workings

Not available


Ownership

Not available


Production

Not available


Deposit

Record Type: Site
Operation Category: Past Producer
Deposit Type: Placer
Operation Type: Unknown
Discovery Method: Ore-Mineral Not In Place
Years of Production:
Organization:
Significant: N
Deposit Size: S


Physiography

General Physiographic Area: Rocky Mountain System
Physiographic Province: Northern Rocky Mountains
Physiographic Detail: Sawtooth Mountains


Mineral Deposit Model

Not available


Orebody

Not available


Structure

Not available


Alterations

Not available


Rocks

Name: Quartz Monzonite
Role: Associated
Age Type: Host Rock
Age Young: Pliocene

Name: Quartz Monzonite
Role: Associated
Age Type: Associated Rock Unit
Age Young: Late Cretaceous

Name: Quartz Monzonite
Role: Associated
Age Type: Associated Rock
Age Young: Late Cretaceous

Name: Quartz Monzonite
Role: Associated
Age Type: Host Rock Unit
Age Young: Pliocene


Analytical Data

Not available


Materials

Not available


Comments

Comment (Workings): WORKED BY BUCKET - LINE DREDGE LATE 1930'S

Comment (Location): ON GRIMES CR. NEAR PIONEERVILLE

Comment (Development): SEVERAL PLACER CLAIMS

Comment (Deposit): GROUND TO THE SOUTH ALREADY DREDGED THAT TO THE NORTH WAS TOO SHALLOW FOR A BUCKET - LINE DREDGE.


References

Reference (Deposit): 1938 RECON USBM INF. CIRC. 702

Reference (Production): METZGER, O. H., 1938 U. S. BUREAU OF MINES INF. CIRC. 7028 P. 31.

Reference (Deposit): METZGER, O. H., 1938, RECONNAISSANCE OF PLACER MINING IN BOISE COUNTY, IDAHO, U. S. BUREAU OF MINES INFORM. CIRC. 7028 P. 31


Idaho Gold

Where to Find Gold in Idaho

"Where to Find Gold in Idaho" 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 Idaho. Read more: Where to Find Gold in Idaho.