Lighthill Prospect

Occurrence in Siskiyou 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. 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 10033619
MRDS ID M020227
Record type Site
Current site name Lighthill Prospect

Geographic coordinates

Geographic coordinates: -122.98613, 41.73511 (WGS84)
Relative position ON THE S. SIDE OF MILL CREEK, A TRIBUTARY OF THE SCOTT RIVER, 1 MI. E. OF SCOTT BAR, AND 42 MI. FROM YREKA.

Site location context

Political divisions (FIPS codes)

Siskiyou(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Russell Peak(quadrangle 1:24,000 scale)

Yreka(quadrangle 1:100,000 scale)

Weed(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Scott(hydrologic unit)

Klamath(hydrologic accounting unit)

Klamath-Northern California Coastal(hydrologic subregion)

California(hydrologic region)

Federal lands

Klamath 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 Siskiyou

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 045N 010W 22 California

Commodities

Commodity Importance
Manganese Critical Tertiary

Analytical data

Result ORE GRADE LESS THAN 10 PERCENT MANGANESE

Host and associated rocks

  • Host or associated Host
    Rock type Sedimentary Rock > Chemical Sediment > Chert

Nearby scientific data

(1) -122.98613, 41.73511

Economic information

Ore body information

  • Thickness 1.83M
    Length 4.57M

Comments on the geologic information

  • GEOL.DESC: PROMINENT OUTCROP OF QUARTZITE AND QUARTZ MICA SCHIST STRIKE E., DIP 25 S, AND CAN BE TRACED FOR 300 FT. NEAR LOWER W. END AN EXPOSURE OF SHEARED MANGANESE OXIDE ORE IS 6 FT. THICK AND 15 FT. LONG. ORE IS MIXTURE OF MANGANESE OXIDE AND QUARTZ.

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 PP. 275 - 276

  • Deposit

    D.O.M. BULL. 125 1943 P. 184

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.

Authoritative California resources

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