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Apple Flat Prospect

Occurrence in Trinity 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. Host and associated rocks
  8. Nearby scientific data
  9. Ore body information
  10. Economic information about the deposit and operations
  11. Links to other databases
  12. Bibliographic references
  13. Reporter information

Geologic information

Identification information

Deposit ID 10095207
MRDS ID M020292
Record type Site
Current site name Apple Flat Prospect
Related records 10263411

Geographic coordinates

Geographic coordinates: -123.33889, 40.29541 (WGS84)
Relative position 300 FT. E. OF THE MAD RIVER ROAD, 67 MI. FROM ALTON.

Site location context

Political divisions (FIPS codes)

Trinity(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Forest Glen(quadrangle 1:24,000 scale)

Garberville(quadrangle 1:100,000 scale)

Redding(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Mad-Redwood(hydrologic unit)

Northern California Coastal(hydrologic accounting unit)

Klamath-Northern California Coastal(hydrologic subregion)

California(hydrologic region)

Federal lands

Six Rivers National Forest(National Forest)

National Forest FS(Type of land area)

FS(Federal land areas administered by FS)

Geographic areas

Country State County
United States California Trinity

Public Land Survey System information

Meridian Township Range Section Fraction State
Humboldt 002S 007E 13 California

Comments on the location information

  • LOCATED IN N 1/2 SECTION 13

Commodities

Commodity Importance
Manganese Critical Tertiary

Analytical data

Result AVERAGE GRADE ABOUT 30 PERCENT MANGANESE

Host and associated rocks

  • Host or associated Host
    Rock type Sedimentary Rock > Chemical Sediment > Chert
    Stratigraphic age (youngest) Late Jurassic

Economic information

Ore body information

  • Strike N 10 TO 40 W
    Dip 20 TO 55 N. E.
    Thickness 0.91M

Comments on the geologic information

  • GEOL.DESC: MANGANESE OXIDE ORE EXPOSED OVER STRIKE LENGTH OF 235 FT, STRIKING N. 10 TO 40 W., AND DIPPING 20 TO 55 N. E. BOTH WALLS ARE SHALY CHERT. ORE BED IS 1 1/2 TO 3 FT. THICK, AVERAGING 2 FT., AND CONSISTS OF 2 LAYERS. 1 FT. OF ORE ON THE HANGING WALL IS HIGH GRADE, ABOUT 45 PERCENT MANGANESE, AND 1 TO 2 FT. NEAR THE FOOTWALL IS SILICEOUS OXIDE ORE, ABOUT 25 PERCENT MANGANESE.

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. 302

  • Deposit

    D.O.M. BULL. 125 1943 P. 194

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.