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Dorleska Mine

Past Producer in Trinity county in California, United States with commodities Gold, Silver, Lead
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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. Controls for ore emplacement
  12. Economic information about the deposit and operations
  13. Land status
  14. Links to other databases
  15. Bibliographic references
  16. General comments
  17. Reporter information

Geologic information

Identification information

Deposit ID 10086643
MRDS ID X025891
Record type Site
Current site name Dorleska Mine
Related records 10263136

Geographic coordinates

Geographic coordinates: -122.91, 41.0579 (WGS84)
Elevation 2036
Relative position 1.8 MI. NW UNION LAKE

Site location context

Political divisions (FIPS codes)

Trinity(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Caribou Lake(quadrangle 1:24,000 scale)

Mount Shasta(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

Shasta-Trinity National Forest(National Forest)

National Forest FS(Type of land area)

FS(Federal land areas administered by FS)

Trinity Alps Wilderness(Wilderness)

Wilderness 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 037N 009W 20,17 California

Comments on the location information

  • UTM ACC. SE 1/4 17 AND NE 1/4 NE 1/4 20

Commodities

Commodity Importance
Gold Primary
Silver Secondary
Lead Tertiary

Comments on the commodity information

  • GOLD SAID TO OCCUR IN TELLURIDE FORM

Materials information

Materials Type of material
Galena Ore
Gold Ore
Pyrite Ore
Quartz Gangue

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Porphyry > Lamprophyre
  • Host or associated Host
    Rock type Metamorphic Rock > Schist

Nearby scientific data

(1) Quaternary glacial deposits
ListMap

Economic information

Ore body information

  • Strike N16E
    Dip 75W

Controls for ore emplacement

  • Fault Zone

Comments on the geologic information

  • EXTENSION TO NORTH OF SAME SYSTEM OF VEINS AND LAMPROPHYRE DIKES FOUND IN YELLOW ROSE MINE.

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1897

Land status

Ownership category National Forest

Comments on the production information

  • NO OTHER PRODUCTION RECORD FOUND.

Comments on the workings information

  • OLD CAVED WORKINGS. SOME NEWER DEVELOPMENT WORK DONE IN LATE THIRTIES WITH UNKNOWN RESULTS. 350 FT. SHAFT WITH 3 LEVELS AND WINZE, 50 FT. DEEP, FROM LOWEST OF THESE SAID TO EXTEND INTO 150 FT. NORTH & SOUTH IN ORE.

Reference information

Bibliographic references

  • Deposit

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

  • Deposit

    LOGAN, C.A., 1926, TRINITY COUNTY: CALIF. JOUR. OF MINES AND GEOLOGY, V. 22, P. 18

  • Deposit

    MACDONALD, D.F., 1912, GOLD LODES OF THE CARRVILLE DISTRICT: U.S. GEOLOGICAL SURVEY BULL. 530-D, P. 34

  • Production

    MACDONALD (1912)

General comments

Subject category Comment text
Deposit VEINS IN LARGE BASIC DIKE, 50 FT. THICK. LOCALLY MINERALIZED WHERE CUT BY SIDE FISSURES. RICH SHOOTS OF CLAYEY MATERIAL, DIPPING 45N, CHARACTERIZE SOME FISSURE INTERSECTIONS.
Deposit ADJOINS YELLOW ROSE MINE ; 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.