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Nowlin

Producer in Mendocino 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. Materials information
  8. Nearby scientific data
  9. Ore body information
  10. Economic information about the deposit and operations
  11. Ownership information
  12. Links to other databases
  13. Bibliographic references
  14. Reporter information

Geologic information

Identification information

Deposit ID 10109255
MRDS ID M010069
Record type Site
Current site name Nowlin
Related records 10115813

Geographic coordinates

Geographic coordinates: -123.29499, 39.79819 (WGS84)
Relative position 3.5 MI. W. OF COVELO NEAR SUMMIT OF RIDGE ON W. SIDE OF ROUND VALLEY.

Site location context

Political divisions (FIPS codes)

Mendocino(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Covelo West(quadrangle 1:24,000 scale)

Covelo(quadrangle 1:100,000 scale)

Ukiah(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Middle Fork 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 022N 013W 03 California

Comments on the location information

  • N. PART OF SECTION 3 , UTM APPROX

Commodities

Commodity Importance
Manganese Critical Primary

Materials information

Materials Type of material
Rhodochrosite Ore

Nearby scientific data

(1) -123.29499, 39.79819
ListMap

Economic information

Ore body information

  • Strike N 20 TO 50 E
    Dip 30 TO 35 S. W.

Comments on the geologic information

  • GEOL.DESC: ORE ZONE ENCLOSED IN THIN BEDDED RED RADIOLARIAN CHERT, STRIKES N 20 TO 50 E, AND DIPS 30 TO 35 S. W. ORE ZONE IS JUST ABOVE BASAL CONTACT OF RED CHERT WITH SANDSTONE. MOST ORE IS SILICEOUS WITH BANDS RUNNING PARALLEL TO BEDDING. BANDS OF CHERT ALTERNATE WITH CARBONATE ORE. ORE BECOMES OXIDIZED NEAR SURFACE.

Economic information about the deposit and operations

Development status Producer
Commodity type Metallic
Deposit size Small
Significant No

Ownership information

  • Type Operator
    Owner Hal And Christine S. Schultz

Comments on the production information

  • SMALL PRODUCTION.

Reference information

Bibliographic references

  • Deposit

    CALIFORNIA JOURNAL OF MINES & GEOLOGY, V. 49, NO. 4 OCT. 1953, P. 389

  • Deposit

    D.O.M. BULL. 152, PP. 133-134

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.

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.