The Three Brothers Mine is a zinc and lead mine located in Grant county, New Mexico.
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
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Three Brothers Mine MRDS details
Site Name
Primary: Three Brothers Mine
Commodity
Primary: Zinc
Primary: Lead
Secondary: Copper
Secondary: Silver
Secondary: Gold
Location
State: New Mexico
County: Grant
District: Central District (Bayard 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
Years of Production:
Organization:
Significant: N
Deposit Size: S
Physiography
General Physiographic Area: Intermontane Plateaus
Physiographic Province: Basin And Range Province
Physiographic Section: Mexican Highland
Mineral Deposit Model
Not available
Orebody
Not available
Structure
Not available
Alterations
Not available
Rocks
Name: Diorite
Role: Associated
Age Type: Host Rock
Age Young: Pennsylvanian
Name: Diorite
Role: Associated
Age Type: Host Rock Unit
Age Young: Pennsylvanian
Name: Diorite
Role: Associated
Age Type: Associated Rock
Age Young: Pliocene
Analytical Data
Not available
Materials
Ore: Galena
Ore: Sphalerite
Gangue: Pyrite
Comments
Comment (Development): MINED TO A DEPTH OF 48 M. MOSTLY IN 1920'S AND 1930'S.
Comment (Production): ABOUT 10 CAR LOADS OF CARBONATE AND SULFIDE ORES. AVERAGE GRADE OF A SHIPMENT OF 150 METRIC TONS OF SULFIDE ORE: 24% ZN, 13.5% PB, 0.3% CU, 68 G/T AG, AND 0.7 G/T AU.
Comment (Deposit): REPLACEMENT BODIES AND FISSURE FILLINGS IN THE PENNSYLVANIAN SYRENA FORMATION ALONG A NE-TRENDING FAULT SYSTEM.
Comment (Workings): INCLINED SHAFT 48 M. DEEP WITH 120 M. OF WORKINGS ON 40 M. LEVEL.
References
Reference (Deposit): LASKY, S. G., 1936, U.S. GEOLOGICAL SURVEY BULL. 870, P. 125-127.
Reference (Deposit): JONES, W. R., AND HERNON, R. M., 1973, U.S. DEPARTMENT OF COMMERCE, NATIONAL TECHNICAL INFORMATION SERVICE PB 214, 371, P. 41-42.
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