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Johe Ranch Mine

Past Producer in San Luis Obispo county in California, United States with commodities Manganese, Silica
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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. Nearby scientific data
  9. Ore body information
  10. Economic information about the deposit and operations
  11. Mineral rights holdings
  12. Land status
  13. Ownership information
  14. Links to other databases
  15. Bibliographic references
  16. Reporter information

Geologic information

Identification information

Deposit ID 10213583
MRDS ID W025013
MAS/MILS ID 0060790011
Record type Site
Current site name Johe Ranch Mine
Alternate or previous names Johe Ranch Deposit, Johe Manganese Deposit, Irish Hills Deposit
Related records 10077400

Geographic coordinates

Point of reference Trench
Geographic coordinates: -120.76427, 35.26577 (WGS84)
Elevation 225
Location accuracy 100(meters)

Site location context

Political divisions (FIPS codes)

San Luis Obispo(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Morro Bay South(quadrangle 1:24,000 scale)

San Luis Obispo(quadrangle 1:100,000 scale)

San Luis Obispo(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Central Coastal(hydrologic unit)

Central California Coastal(hydrologic accounting unit)

Central California Coastal(hydrologic subregion)

California(hydrologic region)

Geographic areas

Country State County
United States California San Luis Obispo

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 030 S 011 E 35 SESESE California

Commodities

Commodity Importance
Manganese Critical Tertiary
Silica Tertiary

Materials information

Materials Type of material
Chert Unknown
Jasper Unknown
Psilomelane Unknown

Nearby scientific data

Trench (1) -120.76427, 35.26577
ListMap

Economic information

Ore body information

  • Strike N35W
    Dip 80E
    Thickness 16M
    Length 100M
    Width 35M
    Depth to top 3M
    Field Value
    MAS Matrix # 1
    Type of Orebody #1 SEDIMENTARY
    Shape of Orebody #1 UNKNOWN
    Type of Orebody #2 FISSURE VEIN
    Primary mode of Origin SEDIMENTATION
    Primary Ore Control BEDDING
    Secondary Ore Control LITHOLOGY
    Degree of Wallrock Alter. SLIGHT
    Type of Wallrock Alter. #1 OTHER
    Strike And Dip N35W:80E
    Minimum Depth to Top 0
    Avg. Thick. Unconsol. Mat. 3
    Min. Thick. Unconsol. Mat. 0
    Date of Last Modification 830316
  • Area 8HA
    Field Value
    Total Surface Area (HA) 8
    Date of Last Modification 910418

Economic information about the deposit and operations

Operation type Surface-Underground
Development status Past Producer
Commodity type Metallic
Deposit size Medium
Significant No
Discovery year 1916
Year of first production 1917

Mineral rights holdings

Type of mineral rights Fee Ownership

Land status

Ownership category Private

Ownership information

  • Type Owner
    Owner Louise E. Serrano
    Interest 100
    Home office California
    Year 1976

Reference information

Bibliographic references

  • Deposit

    CALIF. STATE MINING BUR. BULLETIN 76, 1918, P. 70.

  • Deposit

    CALIF. DIV. MINES BULLETIN 152, 1950, P. 232-233.

  • Deposit

    U.S. BUREAU OF MINES RI 5579, 1960, P. 44-45.

Reporter information

Type Date Name Affiliation Comment
Reporter 18-AUG-1992 Ridenour, James U.S. Bureau of Mines

Beyond USGS

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

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.