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Humboldt Mine

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

Geologic information

Identification information

Deposit ID 10104051
MRDS ID M241024
Record type Site
Current site name Humboldt Mine
Alternate or previous names Bradshaw Arizona
Related records 10112833

Geographic coordinates

Geographic coordinates: -109.16675, 31.95374 (WGS84)
Elevation 1494
Relative position APPROX 3 MI NW OF PORTAL

Site location context

Political divisions (FIPS codes)

Cochise(county)

Arizona(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Portal(quadrangle 1:24,000 scale)

Chiricahua Peak(quadrangle 1:100,000 scale)

Douglas(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

San Simon(hydrologic unit)

Upper Gila(hydrologic accounting unit)

Upper 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 031E 10,15 Arizona

Comments on the location information

  • S CENTRAL SEC 10, N CENTRAL SEC 15 UTM EST

Commodities

Commodity Importance
Silver Primary
Copper Primary
Lead Primary
Manganese Critical Tertiary

Comments on the commodity information

  • SPOTTY SILVER CHLORIDES AND SILVER VALUES ASSOCIATED WITH ALABANDITE AND MINOR BASE METAL SULFIDES

Materials information

Materials Type of material
Gold Ore

Alteration

  • (Local) Pyrometamorphosed Limestone

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock
    Stratigraphic age (youngest) Late Permian
    Stratigraphic age (youngest) Pliocene
    Stratigraphic age (youngest) Late Permian
  • Host or associated Host
    Rock type Sedimentary Rock > Carbonate > Limestone
    Rock unit name Upper Naco Group
    Rock description Upper Naco Group

Nearby scientific data

(1) -109.16675, 31.95374
ListMap

Economic information

Ore body information

  • General form IRREGULAR

Comments on the geologic information

  • SHEAR ZONE AND PYROMETAMORPHOSED LIMESTONE BORDERING AN INTRUSIVE PORPHYRY DIKE.

Economic information about the deposit and operations

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

Mining district

District name California District

Land status

Ownership category Private

Ownership information

  • Type Operator
    Owner Bradshaw-Arizona Mng Co, May, Hyde And Scott

Comments on the production information

  • SOME 180 TONS OF ORE PRODUCED INTERMITTENTLY BETWEEN 1907 AND 1930.

Comments on the workings information

  • 185 FT INCLINE IN 1926

Reference information

Bibliographic references

  • Deposit

    KEITH, S B, 1973, ARIZONA BUREAU OF MINES BULLETIN 187, P 53.

  • Deposit

    COOPER, 1959, USGS MAP MF-213

  • Deposit

    MINES HANDBOOK, V. 17, W.H. WEED, EDITOR, 1926

  • Production

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

General comments

Subject category Comment text
Deposit VEIN AVERAGES 2.5 FT WIDE

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUL-1980 Zigler, Jan L. U.S. Geological Survey
Updater 01-DEC-1981 Gest, Don E. 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.