State of Maine Mine

Past Producer in Cochise county in Arizona, United States with commodities Silver, Gold, Manganese, Copper, Lead
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. Controls for ore emplacement
  13. Economic information about the deposit and operations
  14. Mining district
  15. Land status
  16. Ownership information
  17. Workings at the site
  18. Links to other databases
  19. Bibliographic references
  20. General comments
  21. Reporter information

Geologic information

Identification information

Deposit ID 10027139
MRDS ID M002219
Record type Site
Current site name State of Maine Mine
Alternate or previous names Sierra Minerals Management
Related records 10161143

Geographic coordinates

Geographic coordinates: -110.11566, 31.6993 (WGS84)
Relative position 2 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

ST(Federal land areas administered by ST)

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 16,17 Arizona

Comments on the location information

  • INFO FROM LAND.ST :(1979)

Commodities

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

Materials information

Materials Type of material
Gold Ore

Host and associated rocks

  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Quartz Latite
    Rock unit name Uncle Sam Quartz Latite Porphyry
    Rock description Uncle Sam Quartz Latite Porphyry
    Stratigraphic age (youngest) Late Cretaceous
    Chronological age 72
    Stratigraphic age (youngest) Late Cretaceous
    Stratigraphic age (youngest) Late Cretaceous

Nearby scientific data

(1) -110.11566, 31.6993

Economic information

Geologic structures

Type of structure Local
Structure description Bisbee Beds Are Surrounded By Uncle Sam Quartz Porphyry Outcrop, Mine Is Near Contact

Ore body information

  • General form NARROW STRINGERS

Controls for ore emplacement

  • Fault Fissures, Ne Trend, Dip 55nw

Comments on the geologic information

  • ORE IN OXIDE ZONE AND IN NARROW STRINGERS IN CRUSHED AND ALTERED ROCK AT DEPTH ALONG FAULT FISSURE ZONES CUTTING SILL-LIKE QUARTZ LATITE PORPHYRY AND CRETACEOUS BEDS.

Economic information about the deposit and operations

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

Mining district

District name Tombstone District

Land status

Ownership category Private

Ownership information

  • Type Operator
    Owner Sierra Minerals Management
    First year 1974
  • Type Owner
    Owner J. Escapule

Comments on the production information

  • SOME 30,000 TONS OF ORE PRODUCED DURING THE 1880'S AND A FEW HUNDRED TONS INTERMITTENTLY SINCE THEN.

Workings at the site

  • Type of workings Underground
    Area 3.68HA
    Length 1524M
    Overall depth 198.12M
    Overall length 213.36M
    Overall width 182.88M

Comments on the workings information

  • SHAFT WORKINGS

Comments on development

  • OPERATORS INCLUDED SAN PEDRO LEASING, GRAND CENTRAL MINING CO., BUNKER HILL MINING CO.; DUMP IS ONE OF THE MAIN DUMPS LEACHED BY 71 MINERALS IN 1970'S

Reference information

Bibliographic references

  • Deposit

    ARIZ. B. OF M. BULL. 143, 1938, PL. 3

  • Deposit

    KEITH, S.B., 1973, ARIZONA BUREAU OF MINES BULLETIN 187, P. 79.

  • Deposit

    MARVIN, STERN, CREASEY, AND MEHNERT, 1973, USGS BULL 1379

  • Deposit

    ARIZONA DEPT OF MINERAL RESOURCES INACTIVE FILE DATA

  • Production

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

General comments

Subject category Comment text
Deposit HORN SILVER AND GOLD VALUES IN THE OXIDE ZONE AND WEAK SULFIDES IN NARROW STRINGERS IN CRUSHED AND ALTERED ROCK DEPTH ALONG FAULT FISSURE ZONES CUTTING SILL-LIKE QUARTZ LATIT E PORPHYRY AND CRETACEOUS BEDS.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-APR-1972 Gere, W. Arizona Bureau of Geology and Mineral Technology
Updater 01-NOV-1981 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.