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Jessops Gulch

Producer in Siskiyou county in California, United States with commodities Gold, Osmium, Iridium
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Sections on this page
  1. Identification information
  2. Geographic coordinates
  3. Site location context
  4. Geographic areas
  5. Commodities
  6. Materials information
  7. Mineral occurrence model information
  8. Host and associated rocks
  9. Nearby scientific data
  10. Ore body information
  11. Controls for ore emplacement
  12. Economic information about the deposit and operations
  13. Mining district
  14. Land status
  15. Links to other databases
  16. Bibliographic references
  17. General comments
  18. Reporter information

Geologic information

Identification information

Deposit ID 10109536
MRDS ID M045324
Record type Site
Current site name Jessops Gulch
Related records 10213669

Geographic coordinates

Geographic coordinates: -123.13223, 41.29678 (WGS84)
Elevation 652
Relative position AT SAWYERS BAR

Site location context

Political divisions (FIPS codes)

Siskiyou(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Sawyers Bar(quadrangle 1:24,000 scale)

Hoopa(quadrangle 1:100,000 scale)

Weed(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Salmon(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

Comments on the location information

  • UNSURVEYED. IN KLAMATH NATIONAL FOREST. ON NORTH FORK SALMON RIVER AT MOUTH OF JESSUP'S GULCH
  • PART OF PLACER AREA MAY LIE WITHIN CLEARWATER NATIONAL FOREST. ON OROFINO RIVER AND TRIBUATRIES. LOCATION GIVEN IS OROFINO CREEK AT PIERCE INFO FROM LAND.ST :01, 41

Commodities

Commodity Importance
Gold Primary
Osmium Secondary
Iridium Critical Secondary

Comments on the commodity information

  • GOLD IS FINE GRAINED AND LOW IN VALUE

Materials information

Materials Type of material
Gold Ore

Mineral occurrence model information

Model code 119
USGS model code 39a
Deposit model name Placer Au-PGE
Mark3 model number 54

Host and associated rocks

  • Host or associated Host
    Rock type Unconsolidated Deposit > Gravel
    Stratigraphic age (youngest) Holocene

Nearby scientific data

(1) -123.13223, 41.29678
ListMap

Economic information

Ore body information

  • General form STREAM SEDIMENT DEPOSITS

Controls for ore emplacement

  • Stream Hydraulics

Comments on the geologic information

  • AREA IS ON THE EAST EDGE OF THE COLUMBIA RIVER BASALTS. BEDROCK IS MOSTLY OF IDAHO BATHOLITH WITH SOME METASEDIMENTARY ROCKS

Economic information about the deposit and operations

Development status Producer
Commodity type Metallic
Deposit size Small
Significant No
Year of first production 1855

Mining district

District name Salmon River Area

Land status

Ownership category National Forest

Comments on the production information

  • AN ESTIMATED $5-10 MILLION WAS PRODUCED, MOSTLY BEFORE 1875.
  • 0.5 OZ PT PRODUCED IN ONE YEAR (LOGAN)

Comments on the workings information

  • SLUICING, HYDRAULICKING, AND DREDGING
  • HYDRAULIC

Comments on development

  • FIRST GOLD DISCOVERY IN IDAHO. DISTRICT ACTIVE AT LEAST UNTIL 1930

Reference information

Bibliographic references

  • Deposit

    LOGAN, C.A., 1919, PLATINUM AND ALLIED METALS IN CALIFORNIA: CALIFORNIA STATE MINING BUREAU BULLETIN 85, P. 80-82.

  • Deposit

    CLARK, W.B., 1970, GOLD DISTRICTS OF CALIFORNIA: CALIFORNIA DIVISION OF MINES AND GEOLOGY BULLETIN 193, P. 141.

  • Deposit

    CLARK, W.B., 1970, PLATINUM: CALIFORNIA DIVISION OF MINES AND GEOLOGY MINERAL INFORMATION SERVICE, V. 23, NO. 6, P. 116.

General comments

Subject category Comment text
Deposit MOST OF THE GOLD IS CLOSE TO BEDROCK. TERRACE AND BENCH GRAVELS TO 500 FT ABOVE CURRENT STREAM LEVEL WERE ALSO MINED. LODE MINES ARE ALSO PRESENT IN DISTRICT
Deposit BENCH GRAVELS

Reporter information

Type Date Name Affiliation Comment
Reporter 01-DEC-1974 Blair, Will N. U.S. Geological Survey
Updater 01-JAN-1989 Peterson, Jocelyn A. 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.