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Tombstone Extension Mine

Past Producer in Cochise county in Arizona, United States with commodities Lead, Silver, Gold, Vanadium
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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. Mineral occurrence model information
  10. Host and associated rocks
  11. Nearby scientific data
  12. Geologic structures
  13. Ore body information
  14. Controls for ore emplacement
  15. Economic information about the deposit and operations
  16. Mining district
  17. Land status
  18. Ownership information
  19. Workings at the site
  20. Links to other databases
  21. Bibliographic references
  22. General comments
  23. Reporter information

Geologic information

Identification information

Deposit ID 10102443
MRDS ID M002175
Record type Site
Current site name Tombstone Extension Mine
Alternate or previous names Carper, San Diego, La Grande
Related records 10161104

Geographic coordinates

Geographic coordinates: -110.04733, 31.69707 (WGS84)
Elevation 1448
Relative position ABT. 1.5 MI. SE OF TOMBSTONE.

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 20S 22E;23E 13;18 Arizona

Comments on the location information

  • INFO FROM LAND.ST :(1979)

Commodities

Commodity Importance
Lead Primary
Silver Secondary
Gold Secondary
Vanadium Critical Tertiary

Materials information

Materials Type of material
Galena Ore
Gold Ore
Silver Ore
Jarosite Gangue

Alteration

  • (Local) Wall Rock Of Ore Shoot Is Intensely Kaolinized.

Mineral occurrence model information

Model code 72
USGS model code 19a
Deposit model name Polymetallic replacement
Mark3 model number 47

Host and associated rocks

  • Host or associated Host
    Rock type Metamorphic Rock > Metasedimentary Rock > Quartzite
    Stratigraphic age (youngest) Late Cretaceous
    Stratigraphic age (youngest) Late Cretaceous
  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Shale
  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Sandstone
    Rock unit name Bisbee Group
    Rock description Bisbee Group

Nearby scientific data

(1) -110.04733, 31.69707
ListMap

Economic information

Geologic structures

Type of structure Local
Structure description In Tombstone Basin, Nne Tilting After Mineralization. Most Beds Dip 45-50n. Three Prominent Fault Fissures, N20e To N35e, With Steep Dip Intersect Smaller Fissures N45e To N60e

Ore body information

  • General form VEIN-LIKE
    Strike N24E
    Dip 077N
    Length 243.84M
    Width 1.52M
    Depth to bottom 167.64M

Controls for ore emplacement

  • Fault Zone Intersected By "Northeast" Fissures. N24e, Dip 70-80n

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Medium
Significant Yes

Mining district

District name Tombstone District

Land status

Ownership category Private

Ownership information

  • Type Operator
    Owner Tombstone Mining Co.
    First year 1941

Comments on the production information

  • OVER $400,000 TO 1938 . INTERMITTENT PRODUCTION IN EARLY 1900'S. PRODUCTION INCLUDED UNDER TOMBSTONE GROUP IN ABGMT-USBM DATA

Workings at the site

  • Type of workings Underground
    Area 1.314HA
    Length 1584.96M
    Overall depth 167.64M
    Overall length 304.8M
    Overall width 45.72M

Comments on the workings information

  • SHAFT WORKINGS

Comments on development

  • OPERATORS INCLUDED AMERICAN SMELTING AND REFINING CO., WORONOCO CO.

Reference information

Bibliographic references

  • Deposit

    ARIZ. B. OF M. BULL. 143, 1938, PL. 3 , P. 72, 63.

  • Deposit

    ABM BULL 187, 1973, P. 79.

  • Other Database

    CIMRI

  • Production

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

General comments

Subject category Comment text
Deposit REPLACEMENTS OF GOUGY FAULT BRECCIA IN CRETACEOUS BEDS ALONG A STRONG FAULT ZONE INTERSECTED BY "NORTHEAST" FISSURES.
Deposit THIS RECORD CONTAINS DATA FROM DUPLICATE RECORD D000111 WHICH HAS BEEN DELETED FROM MRDS. ; INFO.SRC : 1 PUB LIT; 2 UNPUB REPT

Reporter information

Type Date Name Affiliation Comment
Reporter 01-APR-1972 Gere W. U.S. Geological Survey
Updater 01-NOV-1981 Gest, Don E. Arizona Bureau of Geology and Mineral Technology

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.