Franklin Mine

The Franklin Mine is a silver and gold mine located in Lewis and Clark county, Montana.

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: Franklin Mine  

State:  Montana

County:  Lewis and Clark

Elevation:

Primary Mineral: Silver, Gold

Lat, Long: 46.63889, -112.07250

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 Franklin Mine

Franklin Mine MRDS details

Site Name

Primary: Franklin Mine
Secondary: Sam Gaty
Secondary: Doctor Steele


Commodity

Primary: Silver
Primary: Gold
Secondary: Copper
Secondary: Lead
Secondary: Silica
Secondary: Zinc


Location

State: Montana
County: Lewis and Clark
District: Scratchgravel Hills District


Land Status

Not available


Holdings

Not available


Workings

Type: Underground


Ownership

Owner Name: Thomas Cruse Mining And Development Co.
Home Office: C/O Fergus Fay, 446 W. Lawrence, Helena, Mt. 59601


Production

Not available


Deposit

Record Type: Site
Operation Category: Past Producer
Operation Type: Unknown
Years of Production:
Organization:
Significant: N
Deposit Size: S


Physiography

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


Mineral Deposit Model

Not available


Orebody

Not available


Structure

Type: L
Description: 2 Vertical Faults With Easterly Trend


Alterations

Alteration Type: L
Alteration Text: Sericitization, Oxidation


Rocks

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

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

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


Analytical Data

Analytical Data: ASSAY OF ORE
Analytical Data: $2-44/TON AU, .09-3 OZ/TON AG, .6-11.5% PB, AVERAGE VALUE OF ORE WAS $42/TON WITH 90% OF VALUE BEING GOLD (1914-1918)


Materials

Ore: Galena
Ore: Gold
Gangue: Pyrite
Gangue: Iron
Unknown: Quartz


Comments

Comment (Deposit): 2 MAJOR VEINS: SAM GATY-LEAD VEIN TRENDS N 50-55 E DIPS 40-60 SE, GOLD VEIN TRENDS N 45 W, DIPS 10-20 NE AND IS CUT AND OFFSET BY LEAD VEIN

Comment (Workings): SEVERAL SHAFTS, 1000 FT. OF RAISES, DRIFTS

Comment (Deposit): PRODUCING IN 1962 ; INFO.SRC : 1 PUB LIT

Comment (Location): ABOUT 2.2 KM NW OF ABANDONED STATE FAIRGROUND

Comment (Reserve-Resource): HORIZONTAL PERSISTANCE OF SAM GATY AND GOLD VEINS SUGGEST THEY EXTEND MUCH DEEPER THAN PRESENT WORKINGS AND COULD REMAIN WITH IN USABLE GRADE WITHIN MODERATE ADDITIONAL DEPTH (PARDEE AND SCHRADER, 1933, U.S.G.S. BULL. 842, P. 41-43)

Comment (Production): USGS BULL 842, P. 41.


References

Reference (Production): PARDEE AND SCHRADER, 1933, U.S.G.S. BULL 842, P. 41-43

Reference (Deposit): MBMG BULL 33, P. 17.

Reference (Deposit): MBMG BULL 92, P. 13

Reference (Deposit): USGS BULL 842, P. 41-3.