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Whitcomb Mine

Producer in Pima county in Arizona, United States with commodities Lead, Silver, Copper, Zinc, 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. 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. Production statistics
  15. Links to other databases
  16. Bibliographic references
  17. General comments
  18. Reporter information

Geologic information

Identification information

Deposit ID 10026762
MRDS ID M000120
Record type Site
Current site name Whitcomb Mine
Related records 10283386

Geographic coordinates

Geographic coordinates: -111.09236, 31.96595 (WGS84)
Elevation 1097
Relative position 1/2 MILE S OF SAN XAVIER

Site location context

Political divisions (FIPS codes)

Pima(county)

Arizona(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Twin Buttes(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)

Federal lands

Bureau of Land Management(Bureau of Land Management AZ)

Bureau of Land Management AZ BLM(Type of land area)

BLM(Federal land areas administered by BLM)

Geographic areas

Country State County
United States Arizona Pima

Public Land Survey System information

Meridian Township Range Section Fraction State
Gila and Salt River 017S 012E 11 Arizona

Comments on the location information

  • W CENTER SECTION 11

Commodities

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

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Granitoid > Granite
    Stratigraphic age (youngest) Pliocene
    Stratigraphic age (youngest) Late Cretaceous
  • Host or associated Host
    Rock type Volcanic Rock (Aphanitic)

Nearby scientific data

(1) -111.09236, 31.96595
ListMap

Economic information

Geologic structures

Type of structure Local
Structure description Cretaceous Rocks Within San Xavier Thrust Sheet.

Ore body information

  • General form LENSES, NODULES, POCKETS

Comments on the geologic information

  • CRETACEOUS ARKOSE, QUARTZITE, CONGLOMERATE, SHALE, LIMESTONE, ANDESITE, RHYOLITE

Economic information about the deposit and operations

Development status Producer
Commodity type Metallic
Deposit size Small
Significant No
Year of first production 1900
Year of last production 1948

Mining district

District name Pima District

Land status

Ownership category Private

Production statistics

  • Year 1948
    Period 1900 - 1948
    Accuracy Estimate
    Description Cp_Grade: ^8 % Pb, 9 Oz. Ag/Ton, 0.75 % Cu, 0.5 % Zn, Minor Au
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Ore Zinc Zinc 1wt-pct
    Minor Ore Copper Copper 1wt-pct
    Major Ore Silver Silver 254g/mt
    Major Ore Lead Lead 8wt-pct

Comments on the production information

  • WORKED SPORADICALLY FROM EARLY 1900'S TO 1948 .

Comments on the workings information

  • INCLINE SHAFT

Comments on development

  • OPERATORS INCLUDED ASSOU MINING AND MILLING CO., ROSS BARKLEY,, J.E. FISHER

Reference information

Bibliographic references

  • Deposit

    COOPER, J. R., 1960 , SOME GEOLOGIC FEATURES OF THE PIMA MINING DISTRICT, PIMA COUNTY, ARIZONA: USGS BULLETIN 1112-C.

  • Deposit

    KEITH, S. B., 1974 , INDEX OF MINING PROPERTIES IN PIMA COUNTY, ARIZONA: ARIZONA BUREAU OF MINES BULLETIN 189 , P. 139 .

  • Production

    ABM BULLETIN 189 , P. 139 .

General comments

Subject category Comment text
Deposit PARTLY OXIDIZED

Reporter information

Type Date Name Affiliation Comment
Reporter 01-NOV-1979 Johnson, Kris H. (Creasey, S.C.) U.S. Geological Survey

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.