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Blackhawk Mine

Past Producer in Grant county in New Mexico, United States with commodities Zinc, Lead, Copper, Silver
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Sections on this page
  1. Identification information
  2. Geographic coordinates
  3. Site location context
  4. Geographic areas
  5. Public Land Survey System information
  6. Commodities
  7. Materials information
  8. Alteration
  9. Host and associated rocks
  10. Nearby scientific data
  11. Geologic structures
  12. Controls for ore emplacement
  13. Economic information about the deposit and operations
  14. Mining district
  15. Workings at the site
  16. Links to other databases
  17. Bibliographic references
  18. General comments
  19. Reporter information

Geologic information

Identification information

Deposit ID 10014767
MRDS ID D011699
Record type Site
Current site name Blackhawk Mine
Alternate or previous names Combination
Related records 10199350

Geographic coordinates

Geographic coordinates: -108.10061, 32.80428 (WGS84)

Site location context

Political divisions (FIPS codes)

Grant(county)

New Mexico(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Santa Rita Mine(quadrangle 1:24,000 scale)

Silver City(quadrangle 1:100,000 scale)

Silver City(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Mimbres(hydrologic unit)

Mimbres(hydrologic accounting unit)

Rio Grande-Mimbres(hydrologic subregion)

Rio Grande(hydrologic region)

Geographic areas

Country State County
United States New Mexico Grant

Public Land Survey System information

Meridian Township Range Section Fraction State
017S 012W 29 NE4 New Mexico

Commodities

Commodity Importance
Zinc Critical Primary
Lead Primary
Copper Secondary
Silver Secondary

Materials information

Materials Type of material
Chalcopyrite Ore
Galena Ore
Smithsonite Ore
Sphalerite Ore

Alteration

  • (Local) Silicified

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite
    Rock unit name Fierro-Hanover Stock
    Rock description Fierro-Hanover Stock
    Stratigraphic age (youngest) Pliocene
    Stratigraphic age (youngest) Pliocene
  • Host or associated Host
    Rock type Sedimentary Rock > Carbonate > Limestone
    Rock unit name Lake Valley;Oswaldo
    Rock description Lake Valley;Oswaldo

Nearby scientific data

(1) -108.10061, 32.80428
ListMap

Economic information

Geologic structures

Type of structure Local
Structure description Mirror Fault

Controls for ore emplacement

  • Replacement Of Limestone At Fault Intersections

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No

Mining district

District name Fierro-Hanover District

Comments on the production information

  • 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.

Workings at the site

  • Type of workings Underground
    Overall depth 200M

Comments on the workings information

  • DEVELOPED TO A DEPTH OF AT LEAST 200 M.

Comments on 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.

Reference information

Bibliographic references

  • Deposit

    JONES, W. R., AND HERNON, R. M., 1973, U.S. DEPARTMENT OF COMMERCE, NATIONAL TECHNICAL INFORMATION SERVICE PB 214, 371, P. 41-42.

  • Deposit

    ANDERSON, E. C., 1957, NMBMMR BULL. 39, P. 57-58.

  • Deposit

    SCHMITT, H. A., 1935, AIME TRANSACTIONS, V. 115, P. 206.

  • Deposit

    SCHMITT, H. A., 1942, IN NEWHOUSE, W. H., ED., ORE DEPOSITS AS RELATED TO STRUCTURAL FEATURES: PRINCETON UNIVERSITY PRESS, P. 76.

General comments

Subject category Comment text
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.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUL-1984 Seanor, Clint E. (Worl, Ron) U.S. Geological Survey

Beyond USGS

Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.

External references

Maps centered on this site