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St. Mary's Mining Company Property

Past Producer in Hinsdale county in Colorado, United States with commodities Silver, Lead, Copper, Zinc, Antimony
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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. Controls for ore emplacement
  12. Economic information about the deposit and operations
  13. Mining district
  14. Land status
  15. Ownership information
  16. Production statistics
  17. Links to other databases
  18. Bibliographic references
  19. General comments
  20. Reporter information

Geologic information

Identification information

Deposit ID 10014686
MRDS ID D011568
Record type Site
Current site name St. Mary's Mining Company Property
Alternate or previous names Patented Claims: Florida, MS 1797, Tallahassee, MS 1798, St. Gothard, MS 1799, Unpatented Claims: Jay Hawk, V.C., Dandy, Jake Badsky, Burrell, Mason, Herring, Overbrook, Schewe, Peewee, Topping, Jennie, Noller, McKee, Hampshire, Redmon, Beard, Mother B., Hot Air Nos. 1-12, Bryson Placer

Geographic coordinates

Geographic coordinates: -107.3573, 37.98668 (WGS84)
Elevation 3389
Relative position 3.9 MILES S 58 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

Lake San Cristobal(quadrangle 1:24,000 scale)

Silverton(quadrangle 1:100,000 scale)

Durango(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Upper Gunnison(hydrologic unit)

Gunnison(hydrologic accounting unit)

Gunnison(hydrologic subregion)

Upper Colorado(hydrologic region)

Geographic areas

Country State County
United States Colorado Hinsdale

Public Land Survey System information

Meridian Township Range Section Fraction State
New Mexico 043N;043N 004W;005W 18119;12,13 Colorado

Comments on the location information

  • CLAIMS LIE ALONG NE SIDE OF EAST FORK OF ALPINE GULCH NW OF RED MTN. ELEV AND LAT-LONG GIVEN ARE FOR SHAFT AT TOP OF HILL IN S2 SW NW SEC. 18 (EXTENDED SECTION). ; INFO FROM LAND.ST :1977

Commodities

Commodity Importance
Silver Primary
Lead Primary
Copper Primary
Zinc Critical Primary
Antimony Critical Tertiary

Comments on the commodity information

  • ORE MINERALS LISTED ABOVE ARE NOT VERIFIED AT THIS MINE BUT ARE BASED ON PROBABLE SIMILARITY WITH OTHER POSTCALDERA MINERALIZATION TO EAST.

Materials information

Materials Type of material
Chalcopyrite Ore
Galena Ore
Sphalerite Ore
Quartz Gangue

Host and associated rocks

  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Rhyolite
    Rock unit name Ash-Flow Member Of Sunshine Peak Tuff;Quartz Latite Of Red Mountain
    Rock description Ash-Flow Member Of Sunshine Peak Tuff;Quartz Latite Of Red Mountain
    Stratigraphic age (youngest) Miocene
    Stratigraphic age (youngest) Miocene
  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Quartz Latite
  • Host or associated Host
    Rock type Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Rhyolite

Nearby scientific data

(1) -107.3573, 37.98668
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

Controls for ore emplacement

  • Hydrothermal Alteration Of Caldera-Fill Tuff Near Postcollapse Ring-Fracture Intrusion

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No
Year of last production 1916

Mining district

District name Lake (Lake City) District

Land status

Ownership category Private

Ownership information

  • Type Owner-Operator
    Owner Sunflower Mining Co.
    Home office Lake City, Co.
    First year 1917

Production statistics

  • Year 1916
    Description Ap_Grade: ^2 Oz/Ton Ag, 10% Pb, 1% Cu, 25% Zn
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Ore Silver Silver 56g/mt
    Major Ore Zinc Zinc 25wt-pct
    Major Ore Lead Lead 10wt-pct
    Major Ore Copper Copper 1wt-pct
  • Year 1916
    Description Ap_Grade: ^3.8 Oz/Ton Ag, 10% Pb, 2% Cu, 26.2% Zn
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Ore Zinc Zinc 26wt-pct
    Major Ore Copper Copper 2wt-pct
    Major Ore Lead Lead 10wt-pct
    Major Ore Silver Silver 107g/mt

Comments on the production information

  • PROBABLE PARTIAL PRODUCTION RECORD. FIGURES UNAVAILABLE FOR YEARS PRIOR TO 1916. WHETHER OR NOT FIGURES ABOVE REPRESENT TWO SHIPMENTS IN ONE YEAR IS UNCERTAIN.

Comments on the workings information

  • SHAFT, DRIFTS, CROSSCUTS

Reference information

Bibliographic references

General comments

Subject category Comment text
Deposit DEPOSIT LIES IN SUNSHINE PEAK INTRACALDERA TUFF AND COLLAPSE BRECCIA TOWARD NE SIDE OF LAKE CITY CALDERA. ALTERATION AND MINERALIZATION DUE TO RED MOUNTAIN RHYOLITE FLOW AND DOME INTRUDED ON CALDERA'S NE RING FRACTURE.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-MAR-1984 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.