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Lady Franklin Mine

Past Producer in Custer county in Colorado, United States with commodities Silver, Lead, Zinc, Copper, Iron
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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. Mineral occurrence model information
  10. Host and associated rocks
  11. Nearby scientific data
  12. Geologic structures
  13. Ore body information
  14. Controls for ore emplacement
  15. Economic information about the deposit and operations
  16. Mining district
  17. Land status
  18. Production statistics
  19. Links to other databases
  20. Bibliographic references
  21. Reporter information

Geologic information

Identification information

Deposit ID 10012299
MRDS ID D007852
Record type Site
Current site name Lady Franklin Mine

Geographic coordinates

Point of reference Pit
Geographic coordinates: -105.44418, 38.16057 (WGS84)
Elevation 2469
Location accuracy 10(meters)
Relative position 1.65 MILES N 08 W FROM THE JUNCTION OF SR 96 AND CR 277 IN SILVER CLIFF, CO.

Site location context

Political divisions (FIPS codes)

Custer(county)

Colorado(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Westcliffe(quadrangle 1:24,000 scale)

Canon City(quadrangle 1:100,000 scale)

Pueblo(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Arkansas Headwaters(hydrologic unit)

Upper Arkansas(hydrologic accounting unit)

Upper Arkansas(hydrologic subregion)

Arkansas-White-Red(hydrologic region)

Geographic areas

Country State County
United States Colorado Custer

Public Land Survey System information

Meridian Township Range Section Fraction State
6th Principal 022S 072W 4 SE OF SW OF SW Colorado

Comments on the location information

  • 0.9 MILE ENE OF BEN WEST HILL SOUTH OF UNNAMED TRIBUTARY TO DE WEESE RES. (GRAPE CREEK) ; INFO FROM LAND.ST :(1976)

Commodities

Commodity Importance
Silver Primary
Lead Secondary
Zinc Critical Secondary
Copper Tertiary
Iron Tertiary

Materials information

Materials Type of material
Chalcopyrite Ore
Galena Ore
Malachite Ore
Pyrite Ore
Sphalerite Ore
Tetrahedrite Ore
Barite Gangue
Fluorite Gangue
Quartz Gangue

Alteration

  • (Local) Silicification ("Quartz Zone"); Possibly Weakly Argillized

Mineral occurrence model information

Model code 82
USGS model code 22
Deposit model name Epithermal veins

Host and associated rocks

  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Rhyolite
    Rock unit name Rhyolite Of Round Mountain And White Hills
    Rock description Rhyolite Of Round Mountain And White Hills
  • Host or associated Host
    Rock type Volcanic Rock (Aphanitic) > Pyroclastic Rock > Tuff
  • Host or associated Host
    Rock type Volcanic Rock (Aphanitic) > Pyroclastic Rock > Volcanic Breccia (Agglomerate)
  • Host or associated Host
    Rock type Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Rhyolite

Nearby scientific data

Pit (1) -105.44418, 38.16057
ListMap

Economic information

Geologic structures

Type of structure Regional
Structure description Silver Cliff Volcanic Center, Wet Mtns, Wet Mtn Valley
Type of structure Local
Structure description Ring Fault (Shaft Enters On Fault); Crosses Largest Fault In District

Ore body information

  • General form vein
    Strike Northwest
    Dip VERTICAL OR STEEPLY TO NORTH

Controls for ore emplacement

  • Ring Fault Intersecting With North-Trending Fault;

Economic information about the deposit and operations

Operation type Underground
Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1967

Mining district

District name Silver Cliff

Land status

Ownership category Private

Production statistics

  • Year 1952
    Period 1915-1951
    Material ore
    Ore mined 1790mt
    Accuracy Accurate
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Minor Zinc Zinc 8wt-pct
    Minor Lead Lead 4wt-pct
    Major Silver Silver 356g/mt

Comments on the workings information

  • SHAFT OF UNKNOWN DIMENSIONS

Reference information

Bibliographic references

  • Deposit

    CROSS, WHITMAN, 1896, GEOLOGY OF SILVER CLIFF AND THE ROSITA HILLS, COLORADO: USGS 17TH ANN. REPORT, PT. 2, P. 263-403.

  • Deposit

    FIELDMAN, D.W. AND CROWLEY, F.P., 1980, SILVER DEPOSITS IN THE SOUTHERN PORTION OF THE SILVER CLIFF CALDERA, IN SILVER CLIFF VOLCANIC CENTER AND TALLAHASSEE CREEK URANIUM DEPOSITS: DENVER REGIONAL EXPLORATION GEOLOGISTS GUIDEBOOK, P. 1-14.

  • Deposit

    SIEMS, P.L., 1967, VOLCANIC AND ECONOMIC GEOLOGY OF THE ROSITA HILLS AND SILVER CLIFF DISTRICTS, CUSTER COUNTY, COLORADO: COLORADO SCHOOL MINES, D. SC. THESIS, T 1042, 222 P.

  • Deposit

    SHARP, W.M., 1978, GEOLOGIC MAP OF THE SILVER CLIFF AND ROSITA VOLCANIC CENTERS, CUSTER COUNTY, COLORADO: USGS MAP I-1081.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUN-1981 Collins, Donna B. Colorado 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 Colorado resources

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