Plumb Bob Claim

The Plumb Bob Claim is a gold and silver mine located in Boise county, Idaho at an elevation of 7,999 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

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.

Site Name

Primary: Plumb Bob Claim

Commodity

Primary: Gold
Primary: Silver

Location

State: Idaho
County: Boise

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

Type: Surface/Underground

Ownership

Owner Name: Cooper, William E.
Years: 1949 -

Production

Not available

Deposit

Record Type: Site
Operation Category: Occurrence
Deposit Type: Vein
Operation Type: Unknown
Discovery Method: Unknown
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

Form: LENS

Structure

Not available

Alterations

Not available

Rocks

Name: Granite
Role: Associated
Age Type: Associated Rock Unit
Age Young: Late Cretaceous

Name: Granite
Role: Associated
Age Type: Host Rock
Age Young: Late Cretaceous

Name: Granite
Role: Associated
Age Type: Associated Rock
Age Young: Late Cretaceous

Analytical Data

Analytical Data: A COMPOSITE SAMPLE FROM 3 PITS AND ADIT DUMP ASSAYED 0.09 OZ AU, 4.9 OZ AG/TON

Materials

Gangue: Quartz
Gangue: Limonite

Comments

Comment (Workings): 1 ADIT (CAVED) AND 3 PITS

Comment (Location): 3000 FT W OF OBSERVATION PEAK, NEAR CREST OF RIDGE BETWEEN SILVER AND TRAIL CREEKS

Comment (Development): ECON.COM: DEPOSIT GRADE NOT ADEQUATE TO BE MINED ECONOMICALLY ( 1970 )

References

Reference (Deposit): Kiilsgaard, T. H., And Others, 1970, Mineral Resources Of The Sawtooth Primitive Area, Idaho: USGS Bulletin 1319-D, 174p.

Reference (Deposit): 1970 RECON T. H. KIILSGAARD AND OTHERS, BULL. 1319-

Idaho Gold

"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.