Brooklyn Mine

The Brooklyn Mine is a silver and lead mine located in Granite county, Montana at an elevation of 6,319 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: Brooklyn Mine
Secondary: Pierre Mine
Secondary: S. Brooklyn Mine

Commodity

Primary: Silver
Primary: Lead
Secondary: Zinc
Secondary: Copper
Tertiary: Antimony

Location

State: Montana
County: Granite
District: Princeton (South Boulder Creek) District

Land Status

Land ownership: National Forest
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

Type: Underground

Ownership

Owner Name: Roger Little

Owner Name: Black And White Mining Co.

Production

Year: 1907
Material type: CU
Description: Ap_Grade: ^1.7%
Year: 1907
Material type: PB
Description: Ap_Grade: ^8%
Year: 1907
Material type: ZN
Description: Ap_Grade: ^13%
Year: 1907
Material type: AG
Description: Ap_Grade: ^37 Oz/Ton

Deposit

Record Type: Site
Operation Category: Past Producer
Operation Type: Unknown
Discovery Year: 1904
Discovery Method: Unknown
Years of Production:
Organization:
Significant: N
Deposit Size: S

Physiography

General Physiographic Area: Rocky Mountain System
Physiographic Province: Northern Rocky Mountains
Physiographic Detail: Flint Creek Range

Mineral Deposit Model

Not available

Orebody

Form: IRREGULAR

Structure

Type: R
Description: Philipsburg Batholith

Type: L
Description: On Crest Of Douglas Mountain Anticline

Alterations

Not available

Rocks

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

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

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

Analytical Data

Analytical Data: 1.22 % CU.
Analytical Data: 0.6 % ZN
Analytical Data: 0.4 % PB
Analytical Data: 2.48 % PB. S. BROOKLYN: 6.2 OZ/TON AG
Analytical Data: 0.3 % CU
Analytical Data: 0.002 OZ/TON AU
Analytical Data: 18.1 OZ/TON AG

Materials

Ore: Tetrahedrite
Ore: Galena
Ore: Sphalerite
Ore: Copper
Gangue: Quartz
Gangue: Pyrite
Gangue: Barite
Gangue: Garnet

Comments

Comment (Location): UTM LOCATION OF LOWERMOST OF THREE ADITS ; INFO FROM LAND.ST :(1971)

Comment (Development): COMPRESSOR SHED, MACHINE SHOP, WATER PIPE, REMAINS OF BURNED MILL.

Comment (Workings): 600FT ADIT DRIVEN N INTERSECTS A PORPHYRY DIKE 152 M FROM THE PORTAL. #2 ADIT CONNETS WITH ADIT #3 WITH A 50 FT CROSSCUT. ADIT #3 IS 300 FT LONG. ADIT #5 1300 FT LONG WITH HAULAGE WAY. 4 IN GIANT GRIZZLY MOUNTED AT FACE OF ADIT.

References

Reference (Deposit): FS00057

Reference (Deposit): FS00058

Reference (Deposit): MBMG BULL 100, P. 8.

Reference (Deposit): 1960 DIREXPL USF

Reference (Production): USGS PP 78.

Reference (Deposit): USGS PP 78, P. 249.

Reference (Deposit): SILVERMAN, A., 1965, ECONOMIC GEOLOGY OF THE FLINT CREEK RANGE: BILLINGS GEOL. SOC. 16TH ANNUAL FLD. CONF., P. 108 - 119.

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.