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Webb Mine

Past Producer in Del Norte county in California, United States with commodity Mercury
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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. Materials information
  8. Alteration
  9. Mineral occurrence model information
  10. Host and associated rocks
  11. Nearby scientific data
  12. Geologic structures
  13. Ore body information
  14. Controls for ore emplacement
  15. Economic information about the deposit and operations
  16. Mining district
  17. Ownership information
  18. Workings at the site
  19. Links to other databases
  20. Bibliographic references
  21. General comments
  22. Reporter information

Geologic information

Identification information

Deposit ID 10040636
MRDS ID M055487
Record type Site
Current site name Webb Mine
Alternate or previous names Schultz, Simbro, Patrick Creek, Schults Bros., Wilmot, High Dome, Croesus Bulch

Geographic coordinates

Geographic coordinates: -123.85643, 41.93538 (WGS84)
Elevation 838
Relative position 7 MI NORTH OF PATRICK CREEK (SETTLEMENT)

Site location context

Political divisions (FIPS codes)

Del Norte(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Shelly Creek Ridge(quadrangle 1:24,000 scale)

Happy Camp(quadrangle 1:100,000 scale)

Weed(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Smith(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 Del Norte

Public Land Survey System information

Meridian Township Range Section Fraction State
Humboldt 018N 003E 20 SE4 California

Commodities

Commodity Importance
Mercury Primary

Materials information

Materials Type of material
Cinnabar Ore
Mercury Ore
Metacinnabar Ore
Clay Gangue
Pyrite Gangue

Alteration

  • (Local) Silica-Carbonate Alteration

Analytical data

Result FURNACE GRADES REPORTED AS 10-20 LB/TON HG

Mineral occurrence model information

Model code 179
USGS model code 27c
Deposit model name Silica-carbonate Hg

Host and associated rocks

  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic) > Intermediate Volcanic Rock > Andesite
    Stratigraphic age (youngest) Late Cretaceous
  • Host or associated Host
    Rock type Plutonic Rock > Ultramafic Intrusive Rock > Peridotite

Nearby scientific data

(1) -123.85643, 41.93538
ListMap

Economic information

Geologic structures

Type of structure Local
Structure description Shear Zone

Ore body information

  • General form IRREGULARLY DISTRIBUTED IN VUGS AND SEAMS

Controls for ore emplacement

  • Shear And Breccia Zones

Comments on the geologic information

  • ROCKS OF AREA ARE GENERALLY PERIDOTITE CUT BY FELSIC TO BASALTIC DIKES. PERIDOTITE IS SERPENTINIZED. ORES ARE LIMITED TO SHEARED CONTACT WITH SERPENTINE AND OCCUR MAINLY AT FRACTURE INTERSECTIONS.

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1940
Discoverer Dave Webb
Production years 1946 - 1960

Mining district

District name Patrick Creek District

Ownership information

  • Type Operator
    Owner S And K Mining, L. J. Whippo
    First year 1962
  • Type Owner
    Owner George Webb
    First year 1965

Comments on the production information

  • PRODUCED LESS THAN 100 FL IN 1961, 1962

Workings at the site

  • Type of workings Surface/Underground
    Length 304.8M
    Overall depth 38.1M

Comments on the workings information

  • TRENCHES, CUTS, ADITS

Comments on development

  • 25 TON LACEY ROTARY FURNACE (1946)

Reference information

Bibliographic references

  • Deposit

    BAILEY, E.H., U.S. GEOLOGICAL SURVEY, PERSONAL FILES

  • Deposit

    HOLMES, G.W., JR., 1965, MERCURY IN CALIFORNIA, IN MERCURY POTENTIAL OF THE UNITED STATES: U.S. BUREAU OF MINES INFORMATION CIRCULAR 8252, P. 170, 198.

  • Deposit

    O'BRIEN, J.C., 1952, MINES AND MINERAL RESOURCES OF DEL NORTE COUNTY, CALIFORNIA: CALIFORNIA JOURNAL OF MNES AND GEOLOGY, V. 48, NO. 4, P. 281-282.

  • Deposit

    U.S. BUREAU OF MINES, 1959-1973, MINERALS YEARBOOKS: U.S. BUREAU OF MINES

  • Production

    USBM DATA

General comments

Subject category Comment text
Deposit ADDITIONAL EXPLORATION INDICATED. ; INFO.SRC : 1 PUB LIT; 2 UNPUB REPT

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JAN-1976 Gassaway, J. S. U.S. Geological Survey
Updater 01-JAN-1991 Peterson, Jocelyn A. U.S. Geological Survey

Beyond USGS

Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.

External references

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.