Two Friends Mine

Producer in Pima county in Arizona, United States with commodities Lead, Silver, Copper, Gold, Zinc
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. 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. Reporter information

Geologic information

Identification information

Deposit ID 10109828
MRDS ID M800105
Record type Site
Current site name Two Friends Mine
Related records 10210293

Geographic coordinates

Geographic coordinates: -111.12236, 31.87151 (WGS84)
Relative position 1/2 MILE NORTH OF ESPERANZA OPEN PIT

Site location context

Political divisions (FIPS codes)

Pima(county)

Arizona(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Esperanza Mill(quadrangle 1:24,000 scale)

Sells(quadrangle 1:100,000 scale)

Nogales(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Upper Santa Cruz(hydrologic unit)

Santa Cruz(hydrologic accounting unit)

Middle Gila(hydrologic subregion)

Lower Colorado(hydrologic region)

Geographic areas

Country State County
United States Arizona Pima

Public Land Survey System information

Meridian Township Range Section Fraction State
Gila and Salt River 018S 012E 9 NW Arizona

Comments on the location information

  • ASSUMED WHERE TWO PROSPECTS SHOWN IN NW 1/4 SECTION 9; MILS LOCATION ; INFO FROM LAND.ST :(1979)

Commodities

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

Materials information

Materials Type of material
Chalcopyrite Ore
Quartz Gangue

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Granitoid > Quartz Monzonite
    Stratigraphic age (youngest) Paleocene

Economic information

Geologic structures

Type of structure Regional
Structure description Laramide Intrusives Throughout Area

Comments on the geologic information

  • IMMEDIATELY ADJOINS MAJOR LARAMIDE PORPHYRY COPPER DEPOSITS

Economic information about the deposit and operations

Development status Producer
Commodity type Metallic
Deposit size Small
Significant No
Year of first production 1942
Year of last production 1942

Mining district

District name Pima District

Land status

Ownership category BLM Administrative Area

Ownership information

  • Type Operator
    Owner C. B. Conlin

Comments on the workings information

  • SHAFT IS AT LEAST 50 FEET DEEP (CLIPPINGS)

Reference information

Bibliographic references

  • Deposit

    ABGMT 189, P. 133

  • Deposit

    ABGMT - USBM FILE DATA

  • Deposit

    ABGMT CLIPPINGS FILE

Reporter information

Type Date Name Affiliation Comment
Reporter 01-SEP-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.

Authoritative Arizona resources

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