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  3. Mineral Resource Data System (MRDS)

Poso Mine

Past Producer in Kern county in California, United States with commodities Gold, Silver
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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. Geologic structures
  12. Ore body information
  13. Economic information about the deposit and operations
  14. Mining district
  15. Ownership information
  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 10048732
MRDS ID MP25749
Record type Site
Current site name Poso Mine

Geographic coordinates

Geographic coordinates: -118.79454, 35.54609 (WGS84)

Site location context

Political divisions (FIPS codes)

Kern(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Pine Mountain(quadrangle 1:24,000 scale)

Isabella Lake(quadrangle 1:100,000 scale)

Bakersfield(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Upper Poso(hydrologic unit)

Tulare-Buena Vista Lakes(hydrologic accounting unit)

Tulare-Buena Vista Lakes(hydrologic subregion)

California(hydrologic region)

Geographic areas

Country State County
United States California Kern

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 027S 028E 30,31 California

Commodities

Commodity Importance
Gold Primary
Silver Primary

Materials information

Materials Type of material
Gold Ore

Alteration

  • (Local) Oxidation

Analytical data

Result $10-$12/TON IN GOLD

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Granitoid > Granite
  • Host or associated Host
    Rock type Plutonic Rock > Granitoid > Granite

Economic information

Geologic structures

Type of structure Local
Structure description 20 Ft Se Of Shaft, Vein And Ore Cut By N75e, 40 Se Fault

Ore body information

  • Strike N45W
    Dip 65SW
    Thickness 1.22M

Comments on the geologic information

  • K4:GANGU: QUARTZ, PYRITE, HEMATITE

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1915
Discoverer W.H. Fritz

Mining district

District name Pine Mountain Mining District

Ownership information

  • Type Owner
    Owner Poso Mining And Milling Co., Bakersvield, California.

Workings at the site

  • Type of workings Underground
    Overall depth 44.81M

Comments on the workings information

  • 70 DEG INCLINE FROM POSO CREEK, TUNNEL DRIVEN ON VEIN 865 FT TO THE NW, CONNECTS WITH INCLINE 365 FT FROM PORTAL. ORE SHOOT WAS STOPED AT 50 FT INTERVALS ABOVE TUNNEL LEVEL.

Reference information

Bibliographic references

  • Deposit

    CALIFORNIA JOURNAL OF MINES AND GEOLOGY, VOL. 29, P. 323

General comments

Subject category Comment text
Deposit 13 CLAIMS.
Deposit 3 PARALLEL VEINS, EACH 2-4 FT THICK. ORE SHOOT 150 FT LONG, 2 FT WIDE.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-FEB-1982 Nelson, Scott C. (Albers, John, P.) 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 California resources

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