Little Rock Placer

The Little Rock Placer is a gold mine located in Lewis and Clark county, Montana at an elevation of 4,800 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: Little Rock Placer  

State:  Montana

County:  Lewis and Clark

Elevation: 4,800 Feet (1,463 Meters)

Primary Mineral: Gold

Lat, Long: 46.55, -112.07750

Map: View on Google Maps

Satelite View


Satelite image of the Little Rock Placer

Little Rock Placer MRDS details

Site Name

Primary: Little Rock Placer


Commodity

Primary: Gold


Location

State: Montana
County: Lewis and Clark
District: Helena District


Land Status

Not available


Holdings

Not available


Workings

Not available


Ownership

Owner Name: Florian Glineski


Production

Not available


Deposit

Record Type: Site
Operation Category: Prospect
Deposit Type: Placer
Operation Type: Unknown
Discovery Year: 1932
Discovery Method: Unknown
Years of Production:
Organization:
Significant: N


Physiography

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


Mineral Deposit Model

Not available


Orebody

Not available


Structure

Type: R
Description: Boulder Batholith


Alterations

Not available


Rocks

Name: Granite
Role: Associated
Age Type: Host Rock Unit
Age Young: Mississippian

Name: Granite
Role: Associated
Age Type: Associated Rock
Age Young: Pliocene

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


Analytical Data

Analytical Data: ASSAY REPORT: AU 4.32 MGS OR .10 DOLLARS/CUBIC YARD


Materials

Ore: Gold


Comments

Comment (Workings): NO. 1 CUT; 15 FEET LONG BY 12 FEET WIDE BY 14 FOOT FACE. NO 2 TEST HOLE; 2.5 FEET LONG BY 18 INCHES WIDE BY 2 FEET DEEP NO. 3 CUT; 21 FEET LONG BY 7 FEET WIDE BY 8 FOOT FACE. FRAME DWELLING SHED AND GARAGE IN GOOD REPAIR

Comment (Deposit): THE MAJOR ORE LOCUS ON THE CLAIM IS AT THE CONTACT POINT OF LIMESTONE AND GRANITE


References

Reference (Deposit): 1958 DIREXPL USF

Reference (Deposit): FS FILES