Snowflake Deposit

Past Producer in Chaffee county in Colorado, United States with commodities Fluorine-Fluorite, Manganese
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. Ownership information
  19. Production statistics
  20. Workings at the site
  21. Links to other databases
  22. Bibliographic references
  23. General comments
  24. Reporter information

Geologic information

Identification information

Deposit ID 10013769
MRDS ID D010239
Record type Site
Current site name Snowflake Deposit
Alternate or previous names Snowflake Lode and Snowflake No. 2, Lionelle
Related records 10287379

Geographic coordinates

Geographic coordinates: -106.07699, 38.63861 (WGS84)
Elevation 2292
Location accuracy 10(meters)
Relative position 7.3 MILES SOUTH OF NATHROP

Site location context

Political divisions (FIPS codes)

Chaffee(county)

Colorado(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Nathrop(quadrangle 1:24,000 scale)

Gunnison(quadrangle 1:100,000 scale)

Montrose(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)

Federal lands

Bureau of Land Management(Bureau of Land Management CO)

Bureau of Land Management CO BLM(Type of land area)

BLM(Federal land areas administered by BLM)

Geographic areas

Country State County
United States Colorado Chaffee

Public Land Survey System information

Meridian Township Range Section Fraction State
New Mexico 051N 008E 27 N2 OF SW OF SW OF SW Colorado

Comments on the location information

  • 7.3 MILES SOUTH OF NATHROP
  • SE OF HECLA JUNCTION, EAST OF US HWY 285, WEST OF ARKANSAS RIVER; SW/4 SEC. 27, T 51 N, R 8 E. INFO FROM LAND.ST :(1976)

Commodities

Commodity Importance
Fluorine-Fluorite Critical Primary
Manganese Critical Tertiary

Materials information

Materials Type of material
Fluorite Ore
Barite Gangue
Calcite Gangue
Goethite Gangue
Hematite Gangue
Kaolinite Gangue
Manganite Gangue
Montmorillonite Gangue
Opal Gangue
Psilomelane Gangue
Pyrite Gangue
Pyrolusite Gangue
Quartz Gangue

Alteration

  • (Local) Silicification, Fluoritization

Mineral occurrence model information

Model code 174
USGS model code 26b
Deposit model name Fluorspar deposits (fluorite veins)

Host and associated rocks

  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Rhyolite
    Rock unit name Ash-Flow Tuff
    Rock description Ash-Flow Tuff
    Stratigraphic age (youngest) Oligocene
    Stratigraphic age (youngest) Oligocene
    Stratigraphic age (youngest) Oligocene
  • Host or associated Host
    Rock type Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Rhyolite

Nearby scientific data

(1) -106.07699, 38.63861

Economic information

Geologic structures

Type of structure Regional
Structure description Southern Mosquito Range, Arkansas Valley Graben
Type of structure Local
Structure description Folds, Faults; N-Trending Fault Bounding Arkansas Valley

Ore body information

  • General form LENSOID
    Strike E
    Dip VERTICAL
    Thickness 1.52M

Controls for ore emplacement

  • Fault Breccia; Fault Zone Striking N 30-50 W, Dipping 65-85 Sw; Fractures

Economic information about the deposit and operations

Development status Past Producer
Commodity type Both
Deposit size Small
Significant No
Discovery year 1923
Year of first production 1927
Year of last production 1949

Mining district

District name Browns Canyon District

Land status

Ownership category Private

Ownership information

  • Type Owner
    Owner E. Lionelle And J. H. Lionelle
    First year 1969

Production statistics

  • Year 1943
    Period 1933-1943
    Material FLUORSPAR ORE
    Ore mined 393.68mt
    Accuracy Estimate

Workings at the site

  • Type of workings Surface/Underground
    Length 71.63M

Comments on the workings information

  • ADIT, INCLINE (SLOPES WESWARD 15 DEG)

Reference information

General comments

Subject category Comment text
Deposit LENSES CONTAIN 40-70% CAF2

Reporter information

Type Date Name Affiliation Comment
Reporter 01-FEB-83 Collins, Donna B. Colorado Geological Survey
Reporter 17-NOV-83 Intermountain Field Operations Center (IFOC) U.S. Bureau of Mines
Updater 10-MAR-06 Beach, Richard A. Colorado Geological Survey

Beyond USGS

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

External references

Authoritative Colorado resources

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