1. Mineral Resources
  2. Online Spatial Data
  3. Mineral Resource Data System (MRDS)

Contention-Grand Central Mine Group

Plant in Cochise county in Arizona, United States with commodities Copper, Gold, Lead, Silver, Zinc
Map
XML
JSON
KML
C
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. Nearby scientific data
  9. Ore body information
  10. Economic information about the deposit and operations
  11. Mining district
  12. Land status
  13. Ownership information
  14. Links to other databases
  15. Bibliographic references
  16. Reporter information

Geologic information

Identification information

Deposit ID 10258539
MRDS ID M800323
MAS/MILS ID 0040030590
Record type Site
Current site name Contention-Grand Central Mine Group
Alternate or previous names Flora Morrison, Grand Central, Head Center, Tranquility, Pump Shaft, Yellow Jacket, Grand Central Leaching, Contention
Related records 10048228

Geographic coordinates

Point of reference Main Entrance
Geographic coordinates: -110.06286, 31.70293 (WGS84)
Elevation 1442
Location accuracy 500(meters)

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)

Geographic areas

Country State County
United States Arizona Cochise

Public Land Survey System information

Meridian Township Range Section Fraction State
Gila and Salt River 020 S 022 E 11 SE Arizona

Commodities

Commodity Importance
Copper Secondary
Gold Primary
Lead Primary
Silver Primary
Zinc Critical Secondary

Materials information

Materials Type of material
Galena Unknown

Economic information

Ore body information

  • Thickness 800M
    Length 3300M
    Width 1000M
    Field Value
    Type of Orebody #1 FISSURE VEIN
    Shape of Orebody #1 IRREGULAR
    Type of Orebody #2 REPLACEMENT
    Shape of Orebody #2 TABULAR
    Primary mode of Origin HYDROTHERMAL
    Primary Ore Control FAULTING
    Secondary Ore Control FRACTURING
    Type of Wallrock Alter. #1 OTHER
    Minimum Depth to Top 0
    Date of Last Modification 910904

Comments on the geologic information

  • AN ADDITIONAL ORE CONTROL IS LITHOLOGY. THE ALTERATION TYPE IS KAOLINIZATION.
  • GALENA IS ARGENTIFEROUS AND/OR AURIFEROUS.

Economic information about the deposit and operations

Operation type Underground
Development status Plant
Commodity type Metallic
Deposit size Medium
Significant No
Plant type Leach

Mining district

District name Tombstone

Land status

Ownership category Unknown

Ownership information

  • Type Owner
    Owner Tombstone Development Co.
    Year 1989
  • Type Operator
    Owner Pbr Minerals, Inc.
    Year 1989

Reference information

Bibliographic references

  • Reserve-Resource

    NIEMUTH, N.J. ARIZONA MINERAL DEVELOPMENT 1984-1986. AZ

  • Reserve-Resource

    DEP. MINES AND MINER. RESOUR., REP. D-29(87), 1987, 46 PP.

  • Deposit

    KEITH S B 1973 ARIZ BUR MINES BULL 187 P 74

Reporter information

Type Date Name Affiliation Comment
Reporter 18-DEC-1996 Gosling U.S. Bureau of Mines

Beyond USGS

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

Maps centered on this site

Authoritative Arizona resources

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