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Gifford Mine

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. Land status
  13. Links to other databases
  14. Bibliographic references
  15. General comments
  16. Reporter information

Geologic information

Identification information

Deposit ID 10035899
MRDS ID M023850
Record type Site
Current site name Gifford Mine
Alternate or previous names Le Grange ?
Related records 10165682

Geographic coordinates

Geographic coordinates: -122.97861, 40.74013 (WGS84)
Elevation 884
Relative position ON SLOPE OF RIDGE S. OF EASTMAN 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)

Federal lands

Bureau of Land Management(Bureau of Land Management CA)

Bureau of Land Management CA BLM(Type of land area)

BLM(Federal land areas administered by BLM)

Geographic areas

Country State County
United States California Trinity

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 033N 010W 03 California

Comments on the location information

  • UTM EST. S 1/2 LOC. UNCERTAIN

Commodities

Commodity Importance
Gold Primary
Lead Secondary
Arsenic Critical Secondary

Materials information

Materials Type of material
Galena Ore
Gold Ore
Quartz Gangue

Analytical data

Result NORTH-TRENDING VEIN CUT BY FAULT, REPORTEDLY ASSAYED $250/TON IN GOLD. THICKNESS WAS 16 INCHES. ASSAYS OF VEIN, 1-2 FT. THICK, WHERE CUT BY UPRAISE, AVG. $20/TON IN GOLD. ASSAY VALUE OF SHIPMENTS MADE FROM PROPERTY FROM JANUARY 1907 TO OCTOBER 1920, RAN FROM 10-20 OZ. IN GOLD.

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Granitoid > Granite
  • Host or associated Host
    Rock type Plutonic Rock > Granitoid > Granite

Nearby scientific data

(1) -122.97861, 40.74013
ListMap

Economic information

Ore body information

  • Strike N40E
    Dip 45-70 SE
    Thickness 0.61M

Comments on the geologic information

  • VEINS OCCUR CLOSE TO PROXIMITY TO CONTACT BETWEEN GRANITE AND META-ANDESITE CONTACT STRIKES N-S, DIPS 60 E. FAULT CUT BY ADIT STRIKES E-W, DIPS 75 S. VEIN FAULTED 29 FT. TO SOUTH.

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 production information

  • NO OTHER PRODUCTION RECORD FOUND.

Comments on the workings information

  • 4 CROSSCUT ADITS AT DIFFERNET ELEVATIONS. RICHARDS AND LINDERMUTH TUNNEL DRIVEN S19W FOR 700 FT. AT 180 FT. FROM PORTAL, IT CUT META-ANDESITE-GRANITE CONTACT. AT 680 FT., IT CUT E-W FAULT. DRIFT 40 FT. WEST ON FAULT WHERE IT CUT N-TRENDING VEIN. 600 FT. FROM PORTAL, TUNNEL CUT N-S FAULT. UPRAISE, 30 FT. ABOVE DRIFT, CUTS ANOTHER VEIN. ABOVE RICHARDS TUNNEL, 115 FT., IS LANE TUNNEL, DRIVEN S. FOR 400 FT., THEN SE, 280 FT. AT 560 FT. FROM PORTAL OF TUNNEL, CUTS META-ANDESITE-GRANITE CONTACT. DRIFT 80 FT. TO SW CUTS AN E-W FAULT. RAISE ON FAULT CUT VEIN, 5 FT. THICK. WILSON-EHRMAN TUNNEL, 155 FT. ABOVE LANE TUNNEL, AND WAS DRIVEN FOR 460 FT.

Reference information

Bibliographic references

  • Deposit

    TUCKER, W.B., 1922, TRINITY COUNTY: CALIF. JOUR. MINES AND GEOLOGY, V. 18, P.497

  • Production

    TUCKER (1922)

General comments

Subject category Comment text
Deposit SERIES OF PARALLEL VEINS, 1-2 FT. THICK. QUARTZ CARRIED LARGE PERCENTAGE OF SULFIDES, SHOWING FREE GOLD. LARGE AMOUNT OF ORE REPORTED IN UPPER WORKINGS OF WILSON-EHRMAN TUNNEL, AS ONLY HIGH-GRADE STREAK WAS MINED.
Deposit CLAIMS INCLUDE BLUE JAY, CONFIDENCE, MOUNTAIN ECHO, AND BATTLE AXE. 70 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.