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Phelan Prospect

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. Ore body information
  9. Economic information about the deposit and operations
  10. Links to other databases
  11. Bibliographic references
  12. Reporter information

Geologic information

Identification information

Deposit ID 10033567
MRDS ID M020165
Record type Site
Current site name Phelan Prospect
Related records 10116800

Geographic coordinates

Geographic coordinates: -121.08655, 35.64857 (WGS84)
Elevation 305
Relative position 5.5 MI. IN AIRLINE N. OF CAMBRIA, JUST N. OF THE SUMMIT OF THE RIDGE S. OF PICO CREEK, 40 MI. BY ROAD TO SAN LUIS OBISPO ON THE SOUTHERN PACIFIC RAILROAD.

Site location context

Political divisions (FIPS codes)

San Luis Obispo(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Pebblestone Shut-in(quadrangle 1:24,000 scale)

Cambria(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 026S 008E 26 California

Comments on the location information

  • BULL. 152 AND 125 SAY PROSPECT IS IN T 27 S, R 8 E, SECTION 11 , BUT THIS DOES NOT CORRESPOND WITH LOCATION DESCRIPTION. APPEARS TO BE IN T 26 S, R 8 E, APPROXIMATELY SECTION 26 , UTM APPROX

Commodities

Commodity Importance
Manganese Critical Tertiary

Analytical data

Result PROBABLY 30 PERCENT MANGANESE, 30 PERCENT SILICA.

Nearby scientific data

(1) -121.08655, 35.64857
ListMap

Economic information

Ore body information

  • Thickness 0.01M

Comments on the geologic information

  • GEOL.DESC: ORE OCCURS IN A MASS OF THIN-BEDDED CHERT, ALONG STRIKE FOR 75 FT. ORE FOUND MAINLY IN A 0.5 INCH THICK BED, AND IS RESINOUS AND BROWN. THE 3 FT. CHERT BED IS ALSO STAINED BY MANGANESE OXIDE.

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.