Ash Hollow

Occurrence in Mendocino county in California, United States with commodity Manganese
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. Land status
  10. Ownership information
  11. Links to other databases
  12. Bibliographic references
  13. General comments
  14. Reporter information

Geologic information

Identification information

Deposit ID 10031353
MRDS ID M010055
Record type Site
Current site name Ash Hollow
Related records 10211843

Geographic coordinates

Geographic coordinates: -123.2186, 39.9243 (WGS84)
Relative position 2 MI. N. E. OF HULLS VALLEY, 14 MI. N. OF COVELO BY ROAD.

Site location context

Political divisions (FIPS codes)

Mendocino(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Bluenose Ridge(quadrangle 1:24,000 scale)

Covelo(quadrangle 1:100,000 scale)

Ukiah(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Lower Eel(hydrologic unit)

Northern California Coastal(hydrologic accounting unit)

Klamath-Northern California Coastal(hydrologic subregion)

California(hydrologic region)

Geographic areas

Country State County
United States California Mendocino

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 024N 012W 20 California

Comments on the location information

  • IN S. W. PART OF T 24 N, R 12 W, UTM APPROX

Commodities

Commodity Importance
Manganese Critical Tertiary

Nearby scientific data

(1) -123.2186, 39.9243

Economic information

Comments on the geologic information

  • GEOL.DESC: VEINLETS AND MIRRORS IN BLOCK OF THIN BEDDED CHERT AND SHALE INCLUDED IN SERPENTINE AND GREENSTONE. CHERT AND SHALE HEAVILY COATED WITH MANGANESE. CHERT IS VEINED WITH QUARTZ, CALCITE AND BLACK MANGANESE OXIDE.

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Significant No

Land status

Ownership category National Forest

Ownership information

  • Type Operator
    Owner George Lee Carrico

Comments on the production information

  • NO PRODUCTION.

Reference information

Bibliographic references

  • Deposit

    CALIFORNIA JOURNAL OF MINES & GEOLOGY, V. 49, NO. 4, OCT. 1953, P. 384

  • Deposit

    D.O.M. BULL. 152, P. 112

General comments

Subject category Comment text
Deposit THE CHERT BLOCK IS 15 FT. LONG BY 7 FT. THICK. ALL THE MANGANESE IS APPARENTLY SECONDARY.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUN-1973 Gere, W. U.S. Geological Survey
Updater 01-DEC-1977 Killman, K.; Albers, J. U.S. Geological Survey

Beyond USGS

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

Authoritative California resources

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