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Happy Thought Mine

Occurrence in Park county in Colorado, United States with commodities Beryllium, Molybdenum, Uranium, Tungsten, Lead, Zinc, Arsenic, Iron, Copper, Tin
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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. Ore body information
  13. Controls for ore emplacement
  14. Economic information about the deposit and operations
  15. Mining district
  16. Land status
  17. Ownership information
  18. Links to other databases
  19. Bibliographic references
  20. General comments
  21. Reporter information

Geologic information

Identification information

Deposit ID 10013788
MRDS ID D010276
Record type Site
Current site name Happy Thought Mine
Alternate or previous names Fort De Vincennes

Geographic coordinates

Geographic coordinates: -105.4353, 39.07778 (WGS84)
Elevation 2585
Relative position 7.85 MILES N 30 W OF LAKE GEORGE (TOWN)

Site location context

Political divisions (FIPS codes)

Park(county)

Colorado(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Tarryall(quadrangle 1:24,000 scale)

Bailey(quadrangle 1:100,000 scale)

Denver(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

South Platte Headwaters(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 Park

Public Land Survey System information

Meridian Township Range Section Fraction State
6th Principal 011S 072W 22 SW OF SE OF SW NW Colorado

Comments on the location information

  • MARY LEE MINE AREA ; INFO FROM LAND.ST :(1976)

Commodities

Commodity Importance
Beryllium Critical Primary
Molybdenum Secondary
Uranium Secondary
Tungsten Critical Secondary
Lead Tertiary
Zinc Critical Tertiary
Arsenic Critical Tertiary
Iron Tertiary
Copper Tertiary
Tin Critical Tertiary

Comments on the commodity information

  • NONPEGMATITIC BERYLLIUM DEPOSITS; BERYL OCCURS AS HEXAGONAL CRYSTALS AND MASSIVE POIKILOBLASTIC GRAINS.

Materials information

Materials Type of material
Bertrandite Ore
Beryl Ore
Cassiterite Ore
Chalcopyrite Ore
Covellite Ore
Euclase Ore
Galena Ore
Molybdenite Ore
Pyrite Ore
Sphalerite Ore
Uraninite Ore
Wolframite Ore
Fluorite Gangue
Muscovite Gangue
Quartz Gangue
Siderite Gangue
Topaz Gangue

Alteration

  • (Local) Greisenization

Analytical data

Result MASSES OF GALENA CONTAIN 0.3-0.7 % AG, 0.3-1.5 % BI, 0.007-0.7 % CU
Result FROM DUMP OF MINE: 0.007 % BE, 0.015 % CU, 0.03 % PB, 0.015 % SN
Result SAMPLES TAKEN 1959-1968 RANGED: 3-30 PPM AG, 2-70 PPM BE, 150-3000 PPM CU, 10-75 PPM MO, 200-5000 PPM PB, 30-300 PPM SN, 300 PPM W, 300-2000 PPM ZN

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Granitoid > Granite
    Rock unit name Redskin Granite
    Rock description Redskin Granite
    Stratigraphic age (youngest) Neoproterozoic
    Stratigraphic age (youngest) Neoproterozoic
    Stratigraphic age (youngest) Neoproterozoic
  • Host or associated Host
    Rock type Metamorphic Rock > Gneiss
  • Host or associated Host
    Rock type Plutonic Rock > Granitoid > Granite
    Rock unit name Layered Gneiss
    Rock description Layered Gneiss

Nearby scientific data

(1) -105.4353, 39.07778
ListMap

Economic information

Geologic structures

Type of structure Regional
Structure description Tarryall Mountains, Front Range, Puma Hills, Badger Flats
Type of structure Local
Structure description Badger Flats Fault, Minor Faults, Round Mountain Syncline

Ore body information

  • General form CUPOLAS, PODS, IRREGULAR LENSES

Controls for ore emplacement

  • Greisenized Rocks; Localized By Fissures, Contacts, Favorable Rock Units

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1955

Mining district

District name Lake George (Badger Flats) Beryllium Area (Mountain Dale District)

Land status

Ownership category Private

Ownership information

  • Type Owner
    Owner Etienne Ritter
    First year 1982

Comments on the workings information

  • 2 SHAFTS

Comments on development

  • PATENTED CLAIMS (1903)

Reference information

Bibliographic references

General comments

Subject category Comment text
Deposit THE REDSKIN STOCK IS ZONED, WITH NEARLY ALL OF THE BERYLLIUM DEPOSITS OCCURRING IN THE GRANITE-APLITE OR PORPHYRITIC GRANITE FACIES OF THE GREISENIZED REDSKIN GRANITE. EVEN THOSE DEPOSITS NOT ACTUALLY IN THE REDSKIN GRANITE ARE SPATIALLY AND GENETICALLY RELATED TO IT.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-MAR-1983 Collins, Donna B. 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.