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Democrat Group

Past Producer in Trinity county in California, United States with commodities Gold, Lead, Arsenic
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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. Host and associated rocks
  9. Nearby scientific data
  10. Ore body information
  11. Economic information about the deposit and operations
  12. Links to other databases
  13. Bibliographic references
  14. General comments
  15. Reporter information

Geologic information

Identification information

Deposit ID 10035873
MRDS ID M023810
Record type Site
Current site name Democrat Group
Related records 10207798

Geographic coordinates

Geographic coordinates: -122.95028, 40.70763 (WGS84)
Elevation 701
Relative position 1.5 MI. SSW WEAVERVILLE ON RIDGE BETWEEN W. WEAVER CK. & DEMOCRAT GULCH

Site location context

Political divisions (FIPS codes)

Trinity(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Weaverville(quadrangle 1:24,000 scale)

Redding(quadrangle 1:100,000 scale)

Redding(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Trinity(hydrologic unit)

Klamath(hydrologic accounting unit)

Klamath-Northern California Coastal(hydrologic subregion)

California(hydrologic region)

Geographic areas

Country State County
United States California Trinity

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 033N 010W 12,13 California

Commodities

Commodity Importance
Gold Primary
Lead Secondary
Arsenic Critical Secondary

Materials information

Materials Type of material
Gold Ore
Graphite Gangue
Quartz Gangue

Analytical data

Result QUARTZ STRINGERS IN GRAPHITIC SCHIST SAID TO CARRY APPROX. 8% ARSENOPYRITE

Host and associated rocks

  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic) > Intermediate Volcanic Rock > Andesite
  • Host or associated Host
    Rock type Metamorphic Rock > Schist

Economic information

Ore body information

  • General form IRREGULAR
    Strike N35E
    Dip 45 NW
    Thickness 4.27M

Comments on the geologic information

  • ADIT CUTS SANDSTONE, THEN SERPENTINIZED DIKE, AND THEN AN ANDESITIC DIKE. LAST 50 FT. IN LIGHT GREEN, CHLORITIC SCHIST WITH LAYERS OF GRAPHITIC SCHIST. SERPENTINE DIKE, 73 FT. THICK, STRIKES N 77.5 W TOWARD MAIN VEIN. AVERILL (1926) DESCRIBES A DECOMPOSED 'PORPHYRY'.

Economic information about the deposit and operations

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

Comments on the production information

  • NO SPECIFIC PRODUCTION RECORD FOUND. IRON SULFIDES STATED TO HAVE BEEN VERY PRODUCTIVE OF GOLD ON PARTS OF SURFACE AND IN PLACERS NEARBY. SEVERAL BUNCHES OF RICH GOLD ORE FROM SERPENTINE DIKE STATED TO HAVE TOTALED PERHAPS $5000 - $10000.

Comments on the workings information

  • 340 FT. TUNNEL. SECOND TUNNEL ON OPPOSITE SIDE OF RIDGE. OLDER WORKINGS INCLUDE SHALLOW HOLES, WINZE

Reference information

Bibliographic references

  • Deposit

    AVERILL, C.V., 1933, GOLD DEPOSITS OF THE REDDING AND WEAVERVILLE QUADRANGLES: CALIFORNIA JOURNAL OF MINES AND GEOLOGY, V. 29, P. 20-21

  • Deposit

    LOGAN, C.A., 1926, TRINITY COUNTY, CALIF.: CALIFORNIA JOURNAL OF MINES AND GEOLOGY, V. 22, NO. 1, P. 17-18

General comments

Subject category Comment text
Deposit LENSES & VEINS OF BLUISH QUARTZ
Deposit 15 UNPATENTED CLAIMS. 280 ACRES ; INFO.SRC : 1 PUB LIT

Reporter information

Type Date Name Affiliation Comment
Reporter 01-AUG-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.

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.