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  3. Mineral Resource Data System (MRDS)

Welch

Occurrence in Siskiyou county in California, United States with commodity Copper
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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. Mining district
  12. Land status
  13. Workings at the site
  14. Links to other databases
  15. Bibliographic references
  16. General comments
  17. Reporter information

Geologic information

Identification information

Deposit ID 10033948
MRDS ID M020600
Record type Site
Current site name Welch
Related records 10166091

Geographic coordinates

Geographic coordinates: -123.18475, 41.85594 (WGS84)
Relative position 14 MILES WEST OF HAMBURG BAR

Site location context

Political divisions (FIPS codes)

Siskiyou(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Seiad Valley(quadrangle 1:24,000 scale)

Happy Camp(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 046N 012W 01 California

Commodities

Commodity Importance
Copper Tertiary

Host and associated rocks

  • Host or associated Host
    Rock type Sedimentary Rock > Carbonate > Limestone

Nearby scientific data

(1) -123.18475, 41.85594
ListMap

Economic information

Ore body information

  • Strike NW
    Dip 40 E
    Thickness 9.14M

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Significant No

Mining district

District name Seiad

Land status

Ownership category National Forest

Workings at the site

  • Type of workings Underground
    Area 16.188HA
    Length 27.43M

Comments on the workings information

  • TWO TUNNELS 30 AND 60 FT. LONG. ONLY ASSESSMENT WORK DONE.

Reference information

Bibliographic references

  • Deposit

    BROWN, G. C., 1914 , SISKIYOU COUNTY; 14TH REPT. STATE MINERALOGIST; CALIF. MIN. BUR., P. 820

General comments

Subject category Comment text
Deposit STRONG GOSSAN CROPPING

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUN-1978 Fraticelli, L. A. (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.