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Pine Mountain Pieta Creek

Prospect 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. Nearby scientific data
  8. Economic information about the deposit and operations
  9. Links to other databases
  10. Bibliographic references
  11. General comments
  12. Reporter information

Geologic information

Identification information

Deposit ID 10031300
MRDS ID M009975
Record type Site
Current site name Pine Mountain Pieta Creek
Related records 10261813

Geographic coordinates

Geographic coordinates: -122.93275, 38.86127 (WGS84)
Relative position ON PIETA CREEK 10 MI. N. E. OF CLOVERDALE.

Site location context

Political divisions (FIPS codes)

Mendocino(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Asti(quadrangle 1:24,000 scale)

Healdsburg(quadrangle 1:100,000 scale)

Santa Rosa(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Russian(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 012N 010W 25,26 California

Comments on the location information

  • LOCATED IN NW 1/4 SECTION 25 , NE 1/4 SECTION 26 , UTM APPROX.

Commodities

Commodity Importance
Manganese Critical Tertiary

Nearby scientific data

(1) -122.93275, 38.86127
ListMap

Economic information

Comments on the geologic information

  • GEOL.DESC: SILICEOUS MANGANESE OXIDE IN THIN BEDDED BRECCIATED RED AND BROWN CHERT. ORE IS BROWN AND DULLY RESINOUS (NEOTOCITE). SMALL VEINS OF MANGANESE CARBONATE CUT THE BROWN ORE. CHERT HAS BEEN SHEARED AND FAULTED. MUCH ORE IS PRESENT IN LANDSLIDE MATERIAL.

Economic information about the deposit and operations

Development status Prospect
Commodity type Metallic
Significant No

Comments on the production information

  • NO PRODUCTION. IDLE. THE BEST ORE FOUND CONTAINS LESS THAN 25 PERCENT MANGANESE AND IS RICH IN IRON.

Comments on the workings information

  • TUNNEL 50-FT. LONG; OPEN CUTS AND PIT.

Reference information

Bibliographic references

  • Deposit

    CALIFORNIA JOURNAL OF MINES & GEOLOGY, V. 49, NOS. 4 OCT. 1953, P. 389

  • Deposit

    D.O.M. BULL. 152, P. 135

General comments

Subject category Comment text
Deposit EXPOSED IN LANDSLIDE AND IN OPEN CUT.

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.