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St. Jacob Mine

Producer in Hinsdale county in Colorado, United States with commodities Silver, Gold, Copper, Lead, Zinc
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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. Host and associated rocks
  10. Nearby scientific data
  11. Geologic structures
  12. Controls for ore emplacement
  13. Economic information about the deposit and operations
  14. Mining district
  15. Land status
  16. Links to other databases
  17. Bibliographic references
  18. Reporter information

Geologic information

Identification information

Deposit ID 10014695
MRDS ID D011582
Record type Site
Current site name St. Jacob Mine
Alternate or previous names St. Jacob Group, Patented Claims: Hamilton, MS 2425, Griggs, MS 2426, St. Johns, MS 2427, St. Jacobs, MS 2428

Geographic coordinates

Geographic coordinates: -107.36396, 37.84473 (WGS84)
Elevation 3633
Location accuracy 250(meters)
Relative position 13.0 MILES S 13 W FROM LAKE CITY

Site location context

Political divisions (FIPS codes)

Hinsdale(county)

Colorado(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Finger Mesa(quadrangle 1:24,000 scale)

Silverton(quadrangle 1:100,000 scale)

Durango(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Rio Grande Headwaters(hydrologic unit)

Rio Grande Headwaters(hydrologic accounting unit)

Rio Grande Headwaters(hydrologic subregion)

Rio Grande(hydrologic region)

Federal lands

Rio Grande 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 Colorado Hinsdale

Public Land Survey System information

Meridian Township Range Section Fraction State
New Mexico 041N 005W 01 NE Colorado

Comments on the location information

  • CLAIMS LIE ON SE EXTENSION OF BENT PEAK NORTH OF LOST TRAIL CREEK AND WEST OF UNNAMED TRIBUTARY GULCH DRAINING OFF CONTINENTAL DIVIDE TO NORTH. ELEV AND LAT-LONG GIVEN ARE FOR MINE WORKING WEST OF TRIBUTARY. ; INFO FROM LAND.ST :1977

Commodities

Commodity Importance
Silver Primary
Gold Primary
Copper Primary
Lead Primary
Zinc Critical Secondary

Materials information

Materials Type of material
Chalcopyrite Ore
Enargite Ore
Marcasite Ore
Pyrite Ore
Sphalerite Ore
Barite Gangue
Quartz Gangue

Alteration

  • (Local) Silicification

Host and associated rocks

  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Rhyodacite
    Stratigraphic age (youngest) Oligocene
    Stratigraphic age (youngest) Oligocene
    Stratigraphic age (youngest) Oligocene
  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Quartz Latite
  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic) > Intermediate Volcanic Rock > Andesite
    Rock unit name Early Intermediate-Composition Lavas And Related Rocks--Lava Flows
    Rock description Early Intermediate-Composition Lavas And Related Rocks--Lava Flows
  • Host or associated Host
    Rock type Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Rhyodacite
  • Host or associated Host
    Rock type Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Quartz Latite
  • Host or associated Host
    Rock type Volcanic Rock (Aphanitic) > Intermediate Volcanic Rock > Andesite

Nearby scientific data

(1) -107.36396, 37.84473
ListMap

Economic information

Geologic structures

Type of structure Regional
Structure description San Juan Volcanic Field, San Juan Depression
Type of structure Local
Structure description San Juan-Uncompahgre Calderas, Lake City Caldera, Carson Volcano

Controls for ore emplacement

  • Fractures And Altered Porphyry In And Adjacent To Carson Intrusive Centersan Juan Volcanic Field, San Juan Depression

Economic information about the deposit and operations

Development status Producer
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1886
Discoverer H.H. Anderson And Others (Claimants)
Year of first production 1895
Year of last production 1940

Mining district

District name Carson District

Land status

Ownership category Private

Comments on the production information

  • PARTIAL PRODUCTION RECORD. MINE WAS WORKED EXTENSIVELY FOR SEVERAL YEARS AFTER 1889, BUT NO FIGURES ARE AVAILABLE. USGS MINERAL RESOURCES OF U.S. CITES PRODUCTION (AMOUNT UNKNOWN) IN 1906. 1940 PRODUCTION CITED BY USBM MINERAL YEARBOOK IS ONE CARLOAD OF AG-AU-PB-ZN ORE FROM GEORGE III-ST. JACOBS GROUP.

Comments on the workings information

  • MAIN SHAFT IS 300 FT DEEP, WITH 600 FT OF NW-SE DRIFT AT BOTTOM AND ABOUT 600 FT OF NW-SE DRIFT AT 240-FT LEVEL. SEVERAL OTHER SHAFTS AND LEVELS OF UNKNOWN EXTENT.

Reference information

Bibliographic references

  • Production

    USBM 1940 MINERAL YEARBOOK

Reporter information

Type Date Name Affiliation Comment
Reporter 01-MAR-84 Schwochow, Stephen D. Colorado Geological Survey

Beyond USGS

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

Maps centered on this site

Authoritative Colorado resources

These are landing pages for further research — the state agencies don't currently expose per-mine deep links.