Blacktail Mine Group

Past Producer in Cochise county in Arizona, United States with commodities Manganese, Silver, Gold
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. Host and associated rocks
  9. Nearby scientific data
  10. Geologic structures
  11. Ore body information
  12. Economic information about the deposit and operations
  13. Mining district
  14. Land status
  15. Ownership information
  16. Links to other databases
  17. Bibliographic references
  18. General comments
  19. Reporter information

Geologic information

Identification information

Deposit ID 10027103
MRDS ID M002072
Record type Site
Current site name Blacktail Mine Group
Related records 10112719

Geographic coordinates

Geographic coordinates: -110.06538, 31.68819 (WGS84)
Relative position 1 1/2 MI. S. OF TOMBSTONE, ARIZ.

Site location context

Political divisions (FIPS codes)

Cochise(county)

Arizona(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Tombstone(quadrangle 1:24,000 scale)

Fort Huachuca(quadrangle 1:100,000 scale)

Nogales(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Upper San Pedro(hydrologic unit)

San Pedro-Willcox(hydrologic accounting unit)

Middle Gila(hydrologic subregion)

Lower Colorado(hydrologic region)

Federal lands

Bureau of Land Management(Bureau of Land Management AZ)

Bureau of Land Management AZ BLM(Type of land area)

BLM(Federal land areas administered by BLM)

Geographic areas

Country State County
United States Arizona Cochise

Public Land Survey System information

Meridian Township Range Section Fraction State
Gila and Salt River 20S 22E 14 Arizona

Comments on the location information

  • INFO FROM LAND.ST :(1979)

Commodities

Commodity Importance
Manganese Critical Primary
Silver Primary
Gold Secondary

Materials information

Materials Type of material
Gold Ore

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite
    Stratigraphic age (youngest) Late Cretaceous
    Stratigraphic age (youngest) Mississippian
    Stratigraphic age (youngest) Mississippian
  • Host or associated Host
    Rock type Sedimentary Rock > Carbonate > Limestone
    Rock unit name Escabrosa Limestone
    Rock description Escabrosa Limestone

Nearby scientific data

(1) -110.06538, 31.68819

Economic information

Geologic structures

Type of structure Local
Structure description Ajax Hill Host, Bounded On West By Ajax Hill Fault And North By Promter Fault, S By Horquilla Peak Fault

Ore body information

  • General form LENSES

Comments on the geologic information

  • MINERALIZATION PHASE MANGANESE-SILVER, WHICH OCCURRED AFTER IRON-LEAD-ZINC PHASE

Economic information about the deposit and operations

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

Mining district

District name Tombstone District

Land status

Ownership category Private

Ownership information

  • Type Operator
    Owner Tombstone Development Co.
    Home office Tombstone, Az.

Comments on the production information

  • SOME MANGANIFEROUS-SILVER ORE SHIPPED IN THE PAST.

Comments on the workings information

  • SHALLOW WORKINGS

Reference information

Bibliographic references

  • Deposit

    ARIZ. B. OF M. BULL. 143, 1935

  • Deposit

    KEITH, S.B., 1973, ARIZONA BUREAU OF MINES BULLETIN 187, P. 73.

  • Production

    KEITH, 1973, ARIZ. BUR. OF MINES BULL. 187.

General comments

Subject category Comment text
Deposit ORE IN NARROW DISCONTINUOUS LENSES ALONG A FISSURE ZONE IN LIMESTONE.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-APR-1972 Gere, W. U.S. Geological Survey
Updater 01-NOV-1981 Rodriguez, Ignacio (Gest, Don E.) U.S. Geological Survey

Beyond USGS

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

Authoritative Arizona resources

These are landing pages for further research — the state agencies don't currently expose per-mine deep links.