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Snowflake Mine

Past Producer in Teller county in Colorado, United States with commodities Feldspar, Fluorine-Fluorite, REE, Molybdenum, Niobium (Columbium), Tantalum
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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. Ore body information
  12. Economic information about the deposit and operations
  13. Mining district
  14. Land status
  15. Ownership information
  16. Links to other databases
  17. Bibliographic references
  18. General comments
  19. Reporter information

Geologic information

Identification information

Deposit ID 10087824
MRDS ID D010230
Record type Site
Current site name Snowflake Mine
Related records 10143094

Geographic coordinates

Geographic coordinates: -105.1389, 39.06306 (WGS84)
Elevation 2624
Relative position 6.3 MILES N 43 W FROM WOODLAND PARK

Site location context

Political divisions (FIPS codes)

Teller(county)

Colorado(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Signal Butte(quadrangle 1:24,000 scale)

Bailey(quadrangle 1:100,000 scale)

Denver(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Upper South Platte(hydrologic unit)

South Platte(hydrologic accounting unit)

South Platte(hydrologic subregion)

Missouri(hydrologic region)

Federal lands

Pike and San Isabel National Forests(National Forest)

National Forest FS(Type of land area)

FS(Federal land areas administered by FS)

Geographic areas

Country State County
United States Colorado Teller

Public Land Survey System information

Meridian Township Range Section Fraction State
6th Principal 011S 069W 29 NE OF SW Colorado

Comments on the location information

  • ALONG UNNAMED TRIBUTARY OF RYAN GULCH. DEPOSIT IS DESCRIBED WITH SOUTH PLATTE DISTRICT BUT IS REMOTELY LOCATED FROM IT. ; INFO FROM LAND.ST :(1975)

Commodities

Commodity Importance
Feldspar Primary
Fluorine-Fluorite Critical Tertiary
REE Critical Tertiary
Molybdenum Tertiary
Niobium (Columbium) Critical Tertiary
Tantalum Critical Tertiary

Materials information

Materials Type of material
Microcline Ore
Allanite Gangue
Bastnaesite Gangue
Biotite Gangue
Doverite Gangue
Fergusonite Gangue
Fluorite Gangue
Molybdenite Gangue
Monazite Gangue
Quartz Gangue
Thalenite Gangue
Xenotime Gangue
Zircon Gangue

Analytical data

Result QUANTITATIVE SPECTROGRAPHIC ANALYSIS OF THALENITE YIELDED 32.6% Y, 4.4% YB, 4.3% DY, 3.8% ER, 2.8% GD, 2.0% ND, 1.6% SM, 1.2% CE, 1.1% HO, 0.83% LU, 0.59% TM, 0.72% TB, 0.42% PR, 0.31% LA, LT 0.01% EU. SEMIQUANTITATIVE SPECTROGRAPHIC ANALYSIS OF THALENITE YIELDED GT 10% SI, 2.0% CA, 0.15% FE, 0.07% AL, 0.015% BA, 0.01% MG AND MN, 0.002% B, 0.0007% BE.

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Pegmatite
    Rock unit name Pegmatite;Pikes Peak Granite
    Rock description Pegmatite;Pikes Peak Granite
    Stratigraphic age (youngest) Neoproterozoic
    Stratigraphic age (youngest) Neoproterozoic
  • Host or associated Associated
    Rock type Plutonic Rock > Granitoid > Granite
  • Host or associated Host
    Rock type Plutonic Rock > Pegmatite
    Rock unit name Pegmatite;Pikes Peak Granite
    Rock description Pegmatite;Pikes Peak Granite

Nearby scientific data

(1) -105.1389, 39.06306
ListMap

Economic information

Geologic structures

Type of structure Regional
Structure description Front Range Uplift, Pikes Peak Batholith
Type of structure Local
Structure description Oil Creek Fault, Ute Pass Fault Zone, Manitou Park Half Graben

Ore body information

  • General form CIRCULAR
    Length 152.4M
    Width 131.06M

Economic information about the deposit and operations

Development status Past Producer
Commodity type Both
Deposit size Small
Significant No
Year of last production 1952

Mining district

District name Woodland Park Area

Land status

Ownership category Private

Ownership information

  • Type Operator
    Owner Western Feldspar Co.
    Home office Denver, Co.
    First year 1952

Comments on the workings information

  • OPEN CUT INTO QUARTZ CORE AND PART OF INTERMEDIATE ZONE

Reference information

Bibliographic references

General comments

Subject category Comment text
Deposit ROUGHLY CIRCULAR PEGMATITE CONSISTS OF WIDE WALLZONE OF QUARTZ-MICROCLINE-BIOTITE, INTERMEDIATE ZONE OF MICROCLINE-QUARTZ AND QUARTZ CORE. FLUORITE GENERALLY REPLACED BY RAE-RICH COMPONENTS IN LATE-STAGE SILICIC FLUIDS. RAE- (MAINLY Y) RICH FLUORITE FURTHER ALTERED TO OTHER RAE MINERALS, INCLUDING PHOSPHATES, FLUOROCARBONATES, AND RARE SILICATES SUCH AS THALENITE. THALENITE HERE CHARACTERIZED BY DY AND ND MAXIMA. DEFICIENCY IN BE MAY HAVE PERMITTED Y TO BE CONSUMED IN FLUORITE AND XENOTIME RATHER THAN FORMATION OF GADOLINITE. THALENITE HERE IS SECOND NORTH AMERICAN OCCURRENCE.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-MAR-1982 Schwochow, Stephen D. 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.