The Blackhawk 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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Blackhawk Mine MRDS details
Site Name
Primary: Blackhawk Mine
Secondary: Combination
Commodity
Primary: Zinc
Primary: Lead
Secondary: Copper
Secondary: Silver
Location
State: New Mexico
County: Grant
District: Fierro-Hanover 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
Deposit Type: Replacement
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
Type: L
Description: Mirror Fault
Alterations
Alteration Type: L
Alteration Text: Silicified
Rocks
Name: Diorite
Role: Associated
Age Type: Associated Rock
Age Young: Pliocene
Name: Diorite
Role: Associated
Age Type: Associated Rock Unit
Age Young: Pliocene
Analytical Data
Not available
Materials
Ore: Sphalerite
Ore: Chalcopyrite
Ore: Smithsonite
Ore: Galena
Comments
Comment (Workings): DEVELOPED TO A DEPTH OF AT LEAST 200 M.
Comment (Development): MAJOR PRODUCTION STARTED IN 1919 AND CONTINUED INTERMITTANTLY UNTIL 1953. EXTENSIVE EXPLORATION BEGAN IN 1953 BUT STOPPED SHORTLY DUE TO DECREASE IN ZN PRICE.
Comment (Deposit): VERTICAL REPLACEMENT BODIES IN THE MISSISSIPPIAN LAKE VALLEY LIMESTONE AND PENNSYLVANIAN OSWALDO FORMATION AT FAULT INTERSECTIONS IN THE HANGING WALL OF THE MIRROR FAULT ABOUT 2 KM. SOUTHWEST OF THE FIERRO-HANOVER STOCK.
Comment (Production): PRODUCTION FIGURES INCLUDE HOBO MINE. AVERAGE GRADE OF ORE UNTIL 1930: 12% ZN, 2.5% PB, 0.5% CU, 68 G/T AG. REPORTEDLY ONE OF THE LARGEST REPLACEMENT TYPE DEPOSITS IN THE DISTRICT.
References
Reference (Deposit): ANDERSON, E. C., 1957, NMBMMR BULL. 39, P. 57-58.
Reference (Deposit): SCHMITT, H. A., 1935, AIME TRANSACTIONS, V. 115, P. 206.
Reference (Deposit): SCHMITT, H. A., 1942, IN NEWHOUSE, W. H., ED., ORE DEPOSITS AS RELATED TO STRUCTURAL FEATURES: PRINCETON UNIVERSITY PRESS, P. 76.
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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