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Leatherwood Group

Producer in Pima county in Arizona, United States with commodities Copper, Silver, Lead, Gold
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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. Host and associated rocks
  9. Nearby scientific data
  10. Economic information about the deposit and operations
  11. Mining district
  12. Land status
  13. Production statistics
  14. Links to other databases
  15. Bibliographic references
  16. Reporter information

Geologic information

Identification information

Deposit ID 10109623
MRDS ID M050644
Record type Site
Current site name Leatherwood Group
Alternate or previous names Apache Group
Related records 10283348, 10259050

Geographic coordinates

Geographic coordinates: -110.73735, 32.46455 (WGS84)

Site location context

Political divisions (FIPS codes)

Pima(county)

Arizona(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Mount Bigelow(quadrangle 1:24,000 scale)

Tucson(quadrangle 1:100,000 scale)

Tucson(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Lower San Pedro(hydrologic unit)

San Pedro-Willcox(hydrologic accounting unit)

Middle Gila(hydrologic subregion)

Lower Colorado(hydrologic region)

Federal lands

Coronado National Forest(National Forest)

National Forest FS(Type of land area)

FS(Federal land areas administered by FS)

Geographic areas

Country State County
United States Arizona Pima

Public Land Survey System information

Meridian Township Range Section Fraction State
Gila and Salt River 11S 16E 20 Arizona

Comments on the location information

  • CENTER SECTION 20.

Commodities

Commodity Importance
Copper Primary
Silver Primary
Lead Secondary
Gold Secondary

Comments on the commodity information

  • OXIDIZED COPPER ORE.

Materials information

Materials Type of material
Bornite Ore

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite
    Stratigraphic age (youngest) Late Permian
    Stratigraphic age (youngest) Pliocene
  • Host or associated Associated
    Rock type Plutonic Rock > Porphyry > Lamprophyre
  • Host or associated Host
    Rock type Sedimentary Rock > Carbonate > Limestone

Nearby scientific data

(1) -110.73735, 32.46455
ListMap

Economic information

Comments on the geologic information

  • GEOL.DESC: OXIDE ORE NEAR CONTACT OF BRECCIATE TACTITE WITH THIN BASIC DIKES.

Economic information about the deposit and operations

Development status Producer
Commodity type Metallic
Deposit size Small
Significant No
Year of first production 1939
Year of last production 1965

Mining district

District name Marble Peak District

Land status

Ownership category National Forest

Production statistics

  • Year 1942
    Period 1940-1942
    Material ORE CU
    Accuracy Estimate
    Description Cp_Grade: ^12% Cu
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Ore Copper Copper 12wt-pct
  • Year 1968
    Period 1939-1968
    Material ORE CU AG
    Accuracy Estimate
    Description Cp_Grade: ^5% Cu, 1.5 Oz Ag/Ton, Minor Pb,Au
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Minor Ore Copper Copper 5wt-pct
    Major Ore Silver Silver 47g/mt

Comments on the production information

  • PRODUCED INTERMITTENTLY

Comments on the workings information

  • ADITS AND OPEN PITS

Comments on development

  • OPERATORS INCLUDED T.S. SANFORD

Reference information

Bibliographic references

  • Deposit

    PETERSON, N.P. & CREASEY, S.C.1943, SOME CU DEPOSITS IN THE OLD HAT MINING DISTRICT, ARIZ.: USGS OPEN FILE

  • Deposit

    KEITH,S.B.,1974,INDEX OF MINING PROPERTIES IN PIMA COUNTY,ARIZONA:ARIZONA BUREAU OF MINES BULLETIN 189,P.131.

  • Production

    (8)KEITH,S.B.,1974.(9)PETERSON & CREASEY.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-OCT-1973 Johnson, Maureen G. U.S. Geological Survey

Beyond USGS

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

External references

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.