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  3. Mineral Resource Data System (MRDS)

Bonny Doon Shale

Producer in Santa Cruz county in California, United States with commodity Stone, Crushed/Broken
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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. Nearby scientific data
  8. Economic information about the deposit and operations
  9. Mineral rights holdings
  10. Land status
  11. Ownership information
  12. Links to other databases
  13. Bibliographic references
  14. Reporter information

Geologic information

Identification information

Deposit ID 10189375
MAS/MILS ID 0060870052
Record type Site
Current site name Bonny Doon Shale
Alternate or previous names Bonny Doon Shale Pit and Mill

Geographic coordinates

Point of reference Ore Body
Geographic coordinates: -122.18603, 37.02992 (WGS84)
Elevation 30
Location accuracy 1000(meters)

Site location context

Political divisions (FIPS codes)

Santa Cruz(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Davenport(quadrangle 1:24,000 scale)

Palo Alto(quadrangle 1:100,000 scale)

San Francisco(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Central California Coastal(hydrologic accounting unit)

Central California Coastal(hydrologic subregion)

California(hydrologic region)

Federal lands

Bureau of Land Management(Bureau of Land Management CA)

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

BLM(Federal land areas administered by BLM)

Geographic areas

Country State County
United States California Santa Cruz

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 010 S 003 W 27 California

Commodities

Commodity Importance
Stone, Crushed/Broken Primary

Nearby scientific data

Ore Body (1) -122.18603, 37.02992
ListMap

Economic information

Economic information about the deposit and operations

Operation type Surface
Development status Producer
Commodity type Non-metallic
Significant No

Mineral rights holdings

Type of mineral rights Unknown

Land status

Ownership category Unknown

Ownership information

  • Type Owner-Operator
    Owner Rmc Lonestar
    ID 401188

Reference information

Bibliographic references

  • Deposit

    COMMODITY IS SHALE (FORE CEMENT)

  • Deposit

    CALIF. DIV. MINES AND GEOL. AND SPECIAL PUBL. 103, 1990.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-MAR-1991 Lowe, Nathan T. U.S. Bureau of Mines

Beyond USGS

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

Current status (per MSHA)

StatusAbandoned since 04/23/1981
MSHA mine ID0401188
Mine name (MSHA)Bonny Doon Shale Pit And Mill
Current operatorLone Star Industries Inc
Mine typeSurface (Metal / non-metal)

MSHA cross-reference per the original MRDS record. Mine status and operator reflect MSHA's last published Mines export (February 2025); MSHA's public bulk feed has been unavailable since, so this may be out of date. See the Mine Data Retrieval System for current status.

Open MSHA's Mine Data Retrieval System for inspections, accidents, and violations for this mine.

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.