Keystone-Brooklyn Mine

The Keystone-Brooklyn Mine is a silver and gold mine located in Tooele county, Utah at an elevation of 6,460 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: Keystone-Brooklyn Mine  

State:  Utah

County:  Tooele

Elevation: 6,460 Feet (1,969 Meters)

Primary Mineral: Silver, Gold

Lat, Long: 39.98444, -112.73444

Map: View on Google Maps


Satelite image of the Keystone-Brooklyn Mine

Keystone-Brooklyn Mine MRDS details

Site Name

Primary: Keystone-Brooklyn Mine
Secondary: Indian Springs Mining Co. Property


Commodity

Primary: Silver
Primary: Gold


Location

State: Utah
County: Tooele
District: Erickson District District


Land Status

Not available


Holdings

Not available


Workings

Type: Underground


Ownership

Not available


Production

Not available


Deposit

Record Type: Site
Operation Category: Past Producer
Operation Type: Unknown
Discovery Method: Ore-Mineral In Place
Years of Production:
Organization:
Significant: N
Deposit Size: S


Physiography

Not available


Mineral Deposit Model

Not available


Orebody

Form: TABULAR

Form: TABULAR


Structure

Type: R
Description: Basin And Range


Alterations

Alteration Type: L
Alteration Text: Silicification


Rocks

Name: Limestone
Role: Host
Age Type: Host Rock
Age Young: Late Cambrian


Analytical Data

Analytical Data: AU, OZ PER TON, .023
Analytical Data: SELECTED DUMP SAMPLE FROM UPPER ADIT: AG, OZ PER TON , 53


Materials

Gangue: Quartz
Gangue: Hematite
Gangue: Limonite


Comments

Comment (Deposit): THE SOUTHERN ADITS EXPLORED PYRITE-QUARTZ MINERALIZATION ASSOCOATED WITH A N 80 E VERTICALLY DIPPING, 4 FT. WIDE HEMATITE-STAINED JASPEROID ZONE.

Comment (Production): PRODUCTION REPORTED, BUT NO SPECIFIC AMOUNT CITED

Comment (Workings): SIX ADITS: NORTHERN ADITS, WESTERN (KEYSTONE) PAIR-LOWER S-TRENDING ADIT IS APPROX. 460 FT. LONG, (BROOKLYN) PAIR-(CAVED) APPROX. 400 FT. OF WORKINGS; SOUTHERN PAIR-LOWER IS 80 FT. LONG


References

Reference (Deposit): MESSENGER, H.M. 3, 1982, 0N-SITE INVESTIGATION: UGMS

Reference (Deposit): THOMAS, G.H., 1958, THE GEOLOGY OF THE INDIAN SPRINGS QUADRANGLE, TOOELE AND JUBA COUNTIES, UTAH: UNPUB. BYU THESIS, PROVO, UTAH

Reference (Deposit): BUREAU OF LAND MANAGEMENT, 1982, MINERAL SURVEY 6269, UTAH STATE OFFICE, SALT LAKE CITY

Reference (Production): USGS, 1917, MINERAL RESOURCES OF U.S., P. 200