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

Name: Hudson Group

State:  Montana

County:  Madison

Elevation: 5,200 Feet (1,585 Meters)

Commodity: Gold, Silver

Lat, Long: 45.69444, -112.31028

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 Hudson Group

Hudson Group MRDS details

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

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.