Little Mary Mine

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

Geologic information

Identification information

Deposit ID 10046216
MRDS ID M241070
Record type Site
Current site name Little Mary Mine
Alternate or previous names Copper Hill
Related records 10161039

Geographic coordinates

Geographic coordinates: -109.76954, 31.91069 (WGS84)
Elevation 1292
Relative position APPROX 3 MI NE OF PEARCE.

Site location context

Political divisions (FIPS codes)

Cochise(county)

Arizona(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Pearce(quadrangle 1:24,000 scale)

Chiricahua Peak(quadrangle 1:100,000 scale)

Douglas(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Willcox Playa(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 017S 025E 35 CENTER OF W Arizona

Comments on the location information

  • MEASURED TO MIDDLE OF SHAFT AND 2 ADITS ON MAP.

Commodities

Commodity Importance
Copper Primary
Silver Primary
Gold Primary

Host and associated rocks

  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic) > Intermediate Volcanic Rock > Andesite
    Stratigraphic age (youngest) Pliocene
    Stratigraphic age (youngest) Pliocene
  • Host or associated Host
    Rock type Volcanic Rock (Aphanitic) > Intermediate Volcanic Rock > Andesite

Nearby scientific data

(1) -109.76954, 31.91069

Economic information

Geologic structures

Type of structure Regional
Structure description Andesite Is Apparently Younger Than Adjoining Rhyolite
Type of structure Local
Structure description Flows Strike Nw, Dip Variable

Ore body information

  • General form SPOTTY

Economic information about the deposit and operations

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

Mining district

District name Pearce District

Land status

Ownership category Private

Ownership information

  • Type Operator
    Owner Santa Fe Mining Inc.
    First year 1986

Comments on the production information

  • ABOUT 11 TONS OF ORE PRODUCED IN 1903 AND 1910.

Comments on the workings information

  • SHAFT AND PIT WORKINGS.

Comments on development

  • PREVIOUS OPERATORS INCLUDED LITTLE MARY MINING CO. DURING 1984-86 PERIOD, SANTE FE CARIED OUT GEOLOGICAL EVALUATION AND ROTARY SURFACE DRILLING AT THIS MINE.

Reference information

Bibliographic references

  • Deposit

    KEITH, S.B., 1973, ARIZONA BUREAU OF MINES BULLETIN 187, P. 70.

  • Deposit

    NIEMUTH, N.J., 1987, ARIZONA MINERAL DEVELOPMENT 1984-1986: ARIZONA DEPARTMENT OF MINES AND MINERAL RESOURCES DIRECTORY 29, 46 P.

  • Other Database

    CIMRI

  • Production

    KEITH, 1973.

General comments

Subject category Comment text
Deposit WEAK AND SPOTTY OXIDIZED COPPER MINERALIZATION IN FRACTURED ANDESITE.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-AUG-1980 Zigler, Jan L. U.S. Geological Survey
Updater 01-AUG-1992 Orris, Greta J. 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.