Gold Hill Group Mine

The Gold Hill Group Mine is a gold, silver, and copper mine located in Silver Bow county, Montana at an elevation of 7,402 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: Gold Hill Group Mine
Secondary: Montreal Group

Commodity

Primary: Gold
Primary: Silver
Primary: Copper

Location

State: Montana
County: Silver Bow
District: Moose Creek District

Land Status

Land ownership: Private
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

Owner Name: J. And B. Edson
Years: 1950 -

Production

Not available

Deposit

Record Type: Site
Operation Category: Past Producer
Operation Type: Unknown
Year First Production: 1909
Years of Production:
Organization:
Significant: N
Deposit Size: S

Physiography

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

Mineral Deposit Model

Not available

Orebody

Form: IRREGULAR POCKETS AND SHOOTS

Structure

Type: R
Description: Boulder Batholith

Type: L
Description: Belt Rocks Strike North, Dip 80 W.

Alterations

Alteration Type: L
Alteration Text: Oxidation

Rocks

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: Neoproterozoic

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

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

Analytical Data

Analytical Data: SAMPLE ASSAY SHOWED 0.03 OZ AU/TON, 0.10 OZ. AG/TON. (SAHINEN, 1950)

Materials

Gangue: Quartz
Gangue: Limonite

Comments

Comment (Workings): MAIN ADIT, CROSSCUTS, AND INCLINE. MAIN WORKINGS ARE 2 50 X 20 X 7 FT STOPE, 80-FT. SW OF THE INCLINE. WORKINGS ARE BOTH IN GRANITE INTRUSIVE AND IN ARGILLITE ROOF PENDANT.

Comment (Development): MILL WAS BUILT ON PROPERTY IN 1909. MINE WAS CAVED AND INACCESSIBLE IN 1935.

Comment (Deposit): SHEARED APLITE AND DIORITE CUT BY SMALL QUARTZ VEINLETS

References

Reference (Deposit): MBMG MEM 25, P. 52-53.

Reference (Deposit): 1914 RECON WINCHELL, A.N., U.S.G.S. BULL 574

Reference (Deposit): 1950 GEOLMAP MBMG MEMOIR 32

Reference (Production): MBMG MEM. 32, P.53.

Reference (Deposit): USGS BULL 574, P. 90.

Principal Gold Districts of Montana

In Montana, 54 mining districts have each have produced more than 10,000 ounces of gold. The largest producers are Butte, Helena, Marysville, and Virginia City, each having produced more than one million ounces. Twenty seven other districts are each credited with between 100,000 and one million ounces of gold production. Read more: Principal Gold Districts of Montana.