Hudson Group

The Hudson Group is a gold and silver mine located in Madison county, Montana 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

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: Hudson Group

Commodity

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

Location

State: Montana
County: Madison
District: Silver Star 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

Not available

Production

Not available

Deposit

Record Type: Site
Operation Category: Past Producer
Deposit Type: Contact Metasomatic
Operation Type: Unknown
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 SHOOTS AND BUNCHES

Structure

Type: R
Description: Boulder Batholith

Alterations

Alteration Type: L
Alteration Text: Oxidation

Rocks

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
Age Young: Late Cambrian

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

Analytical Data

Analytical Data: AVERAGE TENOR OF ALL ORE MINED WAS 1.2 TO 1.5 OZ. AU/TON, 1.5 TO 1.8 OZ. AG/TON, AND AS MUCH AS 10% LEAD. DUMP GRAB SAMPLE HAD 5 OZ/TON AG, 2% CU, 2% PB, 1% ZN. DUMP GRAB SAMPLE HAD 5 OZ/TON AG, 2% CU, 2% PB, 1% ZN.

Materials

Gangue: Garnet
Gangue: Siderite
Gangue: Serpentine
Gangue: Calcite
Gangue: Epidote
Gangue: Asbestos

Comments

Comment (Production): PRODUCED $150,000.

Comment (Workings): HUDSON CLAIM HAD 2 300-FT. SHAFTS.

Comment (Geology): ORE DEPOSIT IS CONTIGUOUS WITH BROADWAY GROUP. ; GEOL.DESC: OXIDIZED ORE SHOOT

Comment (Deposit): GROUP INCLUDES HUDSON, MORNING, SAMPLE ORR, AJAX, AND AMERICAN CLAIMS. ; INFO.SRC : 1 PUB LIT

References

Reference (Deposit): MBMG MEM 19, P. 50.

Reference (Deposit): CONSV. DIV. COMP. DATE, 05-23-1963

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

Reference (Deposit): 1950 GEOLMAP MBMG MEM. 19

Reference (Deposit): USGS BULL 574, P. 142-144.

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.