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Prefumo Canyon Prospects

Occurrence in San Luis Obispo county in California, United States with commodity 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. Nearby scientific data
  8. Economic information about the deposit and operations
  9. Links to other databases
  10. Bibliographic references
  11. Reporter information

Geologic information

Identification information

Deposit ID 10033568
MRDS ID M020166
Record type Site
Current site name Prefumo Canyon Prospects
Related records 10116516

Geographic coordinates

Geographic coordinates: -120.73014, 35.25219 (WGS84)
Relative position NEAR THE TOP OF THE RIDGE N. E. OF PREFUMO CANYON AND 350 FT. ABOVE A POINT ON THE ROAD 0.6 MI. FROM THE SCHOOLHOUSE, 5 MI. FROM SAN LUIS OBISPO.

Site location context

Political divisions (FIPS codes)

San Luis Obispo(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

San Luis Obispo(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 031S 012E 06 California

Comments on the location information

  • LOCATED IN SE 1/4 SECTION 6

Commodities

Commodity Importance
Manganese Critical Tertiary

Analytical data

Result ORE GRADE ABOUT 10 PERCENT MANGANESE

Nearby scientific data

(1) -120.73014, 35.25219
ListMap

Economic information

Comments on the geologic information

  • GEOL.DESC: THIN BEDDED BROWN AND BUFF CHERT STRIKES N. 45 W., AND IS CONTORTED AND FAULTED ON SMALL SCALE. MANGANESE OXIDE IS PRESENT AS THIN FILMS ON JOINT, FAULT, AND BEDDING SURFACES. 1/4 MI. W., 5 FT. OF MANGANIFEROUS WHITE CHERT STRIKES N. 80 W., AND DIPS 60 N. E. A 6 INCH SEAM OF MANGANESE OXIDE ORE IS NEAR THE HANGING WALL.

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Significant No

Reference information

Bibliographic references

  • Deposit

    D.O.M. BULL. 152 1950 P. 236

  • Deposit

    D.O.M. BULL. 125 1943 P. 170

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JAN-1978 Killman, K.; Albers, J. 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 California resources

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