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Blodgett Prospect

Past Producer in Yuma county in Arizona, United States with commodities Gold, Copper
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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. Controls for ore emplacement
  13. Economic information about the deposit and operations
  14. Mining district
  15. Land status
  16. Workings at the site
  17. Links to other databases
  18. Bibliographic references
  19. General comments
  20. Reporter information

Geologic information

Identification information

Deposit ID 10027205
MRDS ID M002468
Record type Site
Current site name Blodgett Prospect
Related records 10259329

Geographic coordinates

Geographic coordinates: -113.81605, 33.21368 (WGS84)
Elevation 549
Relative position 2 MILES EAST OF THE ENGESSOR MINE.

Site location context

Political divisions (FIPS codes)

Yuma(county)

Arizona(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Engesser Pass(quadrangle 1:24,000 scale)

Little Horn Mountains(quadrangle 1:100,000 scale)

Phoenix(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Lower Gila(hydrologic unit)

Lower Gila(hydrologic accounting unit)

Lower Gila(hydrologic subregion)

Lower Colorado(hydrologic region)

Federal lands

FWS(Federal land areas administered by FWS)

Geographic areas

Country State County
United States Arizona Yuma

Public Land Survey System information

Meridian Township Range Section Fraction State
Gila and Salt River 002S 015W 33 CENTER OF N2 Arizona

Comments on the location information

  • LOCATED ON THE KOFA GAME RANGE.

Commodities

Commodity Importance
Gold Primary
Copper Tertiary

Materials information

Materials Type of material
Chrysocolla Ore
Gold Ore
Hematite Ore
Malachite Ore
Quartz Gangue

Alteration

  • (Local) Minor

Host and associated rocks

  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic) > Intermediate Volcanic Rock > Andesite
    Rock unit name Kofa Volcanics
    Rock description Kofa Volcanics
    Stratigraphic age (youngest) Pliocene
    Stratigraphic age (youngest) Pliocene
    Stratigraphic age (youngest) Late Cretaceous
    Stratigraphic age (youngest) Late Cretaceous
  • Host or associated Host
    Rock type Plutonic Rock > Granitoid > Granite

Nearby scientific data

(1) -113.81605, 33.21368
ListMap

Economic information

Ore body information

  • General form STRINGERS
    Width 1.22M

Controls for ore emplacement

  • Quartz-Carbonate Stringers In Fine Grained Granite.

Comments on the geologic information

  • THE GRANITE HAS BEEN DEEPLY DECAYED SO THAT ITS EXPOSURES NOW CONSIST OF QUARTZ, CHLORITE, AND KAOLINIZED FELDSPAR. THE QUARTZ, WHICH IS OF YELLOWISH-WHITE COLOR, IS LOCALLY HONEYCOMBED AND CONTAINS MANY SMALL BUNCHES OF BROWN TO BLACK IRON OXIDE.

Economic information about the deposit and operations

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

Mining district

District name Tank Mountains District

Land status

Ownership category Federal
Area name Kofa Game Range

Comments on the production information

  • NO PRODUCTION RECORD

Workings at the site

  • Type of workings Surface
    Overall depth 9.14M

Comments on the workings information

  • TWO SHAFTS,FIFTEEN AND THIRTY FT DEEP;AND A SHALLOW CUT.

Reference information

Bibliographic references

  • Deposit

    WILSON, E.D., 1933, GEOLOGY AND MINERAL DEPOSITS OF SOUTHERN YUMA COUNTY, ARIZONA: ARIZONA BUREAU OF MINES BULLETIN 134, P. 127

  • Other Database

    CIMRI

General comments

Subject category Comment text
Deposit NARROW QUARTZ-CARBONATE STRINGERS.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-APR-1972 Gere, W. U.S. Geological Survey
Updater 01-NOV-1979 Hall, R. K. (Creasey, S. C.) 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.