Middle Fork Mines

Past Producer in Siskiyou county in California, United States with commodities Gold, 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. Materials information
  8. Alteration
  9. Host and associated rocks
  10. Nearby scientific data
  11. Ore body information
  12. Economic information about the deposit and operations
  13. Land status
  14. Links to other databases
  15. Bibliographic references
  16. General comments
  17. Reporter information

Geologic information

Identification information

Deposit ID 10103266
MRDS ID M023184
Record type Site
Current site name Middle Fork Mines
Alternate or previous names Crouch, Gold Crown
Related records 10231765

Geographic coordinates

Geographic coordinates: -122.73779, 41.76651 (WGS84)
Elevation 945
Relative position 1 MI. SW MONO SCHOOL

Site location context

Political divisions (FIPS codes)

Siskiyou(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Badger Mountain(quadrangle 1:24,000 scale)

Yreka(quadrangle 1:100,000 scale)

Weed(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Upper Klamath(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 008W 11 California

Comments on the location information

  • UTM EST. N 1/2

Commodities

Commodity Importance
Gold Primary
Manganese Critical Secondary

Materials information

Materials Type of material
Gold Ore

Alteration

  • (Local) Oxidation

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Ultramafic Intrusive Rock > Hornblendite
  • Host or associated Host
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite

Nearby scientific data

(1) -122.73779, 41.76651

Economic information

Ore body information

  • Thickness 0.91M

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No

Land status

Ownership category National Forest

Comments on the workings information

  • NUMEROUS SHALLOW PITS AND SHORT ADITS. 120 FT. CAVED ADIT ON CROUCH CLAIM, 80 FT. VERTICAL RAISE TO SURFACE. SMALL MILLSITE

Reference information

Bibliographic references

  • Deposit

    OBRIEN, J.C., 1947, MINES AND MINERAL RESOURCES OF SISKIYOU COUNTY, CALIFORNIA: CALIFORNIA JOURNAL OF MINES AND GEOLOGY, V. 43, NO. 4, P. 444 PL. 42

  • Deposit

    SOUTHERN PACIFIC COMPANY, 1964, MINERALS FOR INDUSTRY, NORTHERN CALIFORNIA, V. 2, P. 147

General comments

Subject category Comment text
Deposit STRINGERS & NARROW VEINS; CRUSHED, BROKEN, STAINED YELLOW, BROWN AND BLACK W/ MN. VEIN(S) 12-36 IN. THICK.
Deposit 2 CLAIMS, HALL AND CROUCH. ; INFO.SRC : 1 PUB LIT

Reporter information

Type Date Name Affiliation Comment
Reporter 01-FEB-1980 Nelson, Scott C. (Albers, John, P.) 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.