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  3. Mineral Resource Data System (MRDS)

Enterprise Mine

Producer in Trinity county in California, United States with commodity Gold
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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. Geologic structures
  11. Ore body information
  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 10111286
MRDS ID X025903
Record type Site
Current site name Enterprise Mine
Alternate or previous names Yellowstone
Related records 10238856

Geographic coordinates

Geographic coordinates: -123.1239, 40.84623 (WGS84)
Elevation 655
Relative position 4 MI. E. TWIN SISTERS MTN.

Site location context

Political divisions (FIPS codes)

Trinity(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Dedrick(quadrangle 1:24,000 scale)

Hayfork(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

Shasta-Trinity 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 Trinity

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 035N 011W 29,32,33 California

Comments on the location information

  • UTM ACC. 2 LOCATIONS, YELLOWSTONE IN SEC. 32, ENTERPRISE IN SEC. 33

Commodities

Commodity Importance
Gold Primary

Comments on the commodity information

  • QUARTZ CONTAINS FREE GOLD

Materials information

Materials Type of material
Galena Ore
Gold Ore
Sphalerite Ore
Ankerite Gangue
Quartz Gangue

Analytical data

Result 4 TONS OF CON ASSAYED $300-$400/TON IN GOLD BY FLOTATION.

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite
  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic) > Intermediate Volcanic Rock > Andesite
  • Host or associated Host
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite

Nearby scientific data

(1) -123.1239, 40.84623
ListMap

Economic information

Geologic structures

Type of structure Local
Structure description Prominant Fault Strike N60w, Dip 47 Ne, Cuts Vein Near W. Faces Of Loney Jack Workings

Ore body information

  • General form BLANKET, KIDNEY
    Strike 17-19.5 NE
    Dip 10-45 NW
    Thickness 1.83M

Comments on the geologic information

  • NARROW DIORITIC DIKES INTRUDE META-ANDESITE

Economic information about the deposit and operations

Development status Producer
Commodity type Metallic
Deposit size Medium
Significant No
Discovery year 1882

Mining district

District name East Fork

Land status

Ownership category National Forest

Comments on the production information

  • FORMER LESSEES STATE 100 TONS FROM WINZE WORKINGS ON LONELY JACK CLAIM YIELD $6500. ALSO STATE THAT 3000 TONS OF ORE YIELDED $110,000. ENTERPRISE CLAIM ON OPPOSITE SIDE OF CREEK STATED TO HAVE YIELD $100,000. NO OTHER PRODUCTION DATA FOUND.

Comments on the workings information

  • MAIN VEIN STOPED OUT FOR LENGTH OF 1600 FT., 147 FT. ABOVE CREEK. SOME STOPING ON ANOTHER BRANCH VEIN. 2000 FT. ADIT, 75 FT. ABOVE CREEK, WITH VEIN STOPED OUT TO LEVEL ABOVE FOR LENGTH OF 350 FT. FROM LOWER LEVEL, WINZE SUNK 180 FT. AND 100 FT. OF CROSSCUTS DONE ON 50 FT. LEVEL. MILLSITE. MORE DETAILED DESCRIPTIONS OF WORKINGS IN LOGAN (1926).

Comments on development

  • ECON.COM: NO ORE YIELDING LESS THAN $7/TON COULD BE WORKED AT PROFIT

Reference information

Bibliographic references

  • Deposit

    AVERILL, CV, 1941, MINERAL RESOURCES OF TRINITY COUNTY: CALIFORNIA JOURNAL OF MINES AND GEOLOGY, V. 37, NO. 1, P. 33-34

  • Deposit

    LOGAN, C.A., 1926, TRINITY COUNTY, CA: CALIF. JOUR. MINES AND GEOLOGY, V. 22, P. 18-19, 27

  • Deposit

    BROWN, G.C., 1913, THE COUNTIES OF SISKIJOU, SHASTA AND TRINITY: CALIF. JOUR. MINES AND GEOLOGY, V. 14, P. 887-888

  • Deposit

    GOODWIN, J.G., 1957, LEAD AND ZINC IN CALIFORNIA: CALIFORNIA JOURNAL OF MINES AND GEOLOGY, V. 53, NOS. 3 & 4, P. 705

  • Production

    AVERILL (1941) LOGAN (1926) GOODWIN (1957)

General comments

Subject category Comment text
Deposit VEINS, AVG. 2 FT. THICK. ENTERPRISE VEIN BETWEEN DIORITE WALLS; SEVERAL STEP FAULTS SEPARATE VEIN 2-15 FT. WITH QUARTZ CONTINUOUS BETWEEN BREAKS. VEIN FROM 6 IN-6 FT. THICK WITH LITTLE OR NO GAUGE. OTHER BODIES OF BLANKET QUARTZ PARALLEL TO ENTERPRISE ON SAME SIDE OF CANYON. NUMEROUS JOINT-FILLED PLANS BETWEEN VEINS, PROMOTED BY BLOCKY NATURE OF COUNTRY ROCK. BROWN (1913) CLAIMED THAT SOME OF ORE CARRIED TELLURIUM.
Deposit 18 CLAIMS, OF WHICH 3, THE GROUP KNOWN AS YELLOWSTONE, WERE PATENTED ALSO INCLUDED NORTH STAR WORKINGS, LONE JACK ; 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.

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.