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Rose Dawn Mine

Past Producer in Park county in Colorado, United States with commodities Mica, Feldspar, Beryllium
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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. Economic information about the deposit and operations
  15. Mining district
  16. Land status
  17. Ownership information
  18. Workings at the site
  19. Links to other databases
  20. Bibliographic references
  21. General comments
  22. Reporter information

Geologic information

Identification information

Deposit ID 10013527
MRDS ID D009877
MAS/MILS ID 80930222
Record type Site
Current site name Rose Dawn Mine
Alternate or previous names Rose Dawn Mica Mine, North Mine
Related records 10264454

Comments on the site identification

  • Hanley and others (p. 43) confirms that Rose Dawn was previously known as the North mine.

Geographic coordinates

Point of reference Pit
Geographic coordinates: -105.483, 38.69591 (WGS84)
Elevation 2789
Location accuracy 10(meters)
Relative position 4.2 MILES S 61 E OF GUFFEY. Mine symbol on topo map matches location shown on fig. 7 of PP-227.

Site location context

Political divisions (FIPS codes)

Park(county)

Colorado(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Cover Mountain(quadrangle 1:24,000 scale)

Pikes Peak(quadrangle 1:100,000 scale)

Pueblo(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Upper Arkansas(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 Park

Public Land Survey System information

Meridian Township Range Section Fraction State
6th Principal 015S 072W 32 SW OF SW Colorado

Comments on the location information

  • EAST OF MACK GULCH, JUST INTO PARK COUNTY NEAR FREMONT/PARK COUNTY BORDER ; INFO FROM LAND.ST :(1976)

Commodities

Commodity Importance
Mica Primary
Feldspar Primary
Beryllium Critical Secondary

Materials information

Materials Type of material
Beryl Ore
Microcline Ore
Muscovite Ore
Apatite Gangue
Garnet Gangue

Alteration

  • (Local) Hydrothermal Alteration

Mineral occurrence model information

Model code 32
USGS model code 13
Deposit model name Pegmatites

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite
    Rock unit name Quartz Diorite Of Boulder Creek Age
    Rock description Quartz Diorite Of Boulder Creek Age
    Stratigraphic age (youngest) Neoproterozoic
    Stratigraphic age (youngest) Neoproterozoic
    Stratigraphic age (youngest) Neoproterozoic
  • Host or associated Host
    Rock type Metamorphic Rock > Gneiss

Nearby scientific data

Pit (1) -105.483, 38.69591
ListMap

Economic information

Geologic structures

Type of structure Local
Structure name Currant Creek Fault Zone And Related Faults
Type of structure Regional
Structure name Southern Front Range
Structure description Southern Front Range, Thirtynine Mile Volcanic Field
Type of structure Regional
Structure name Thirtynine Mile Volcanic Field

Ore body information

  • General form LENTICULAR
    Strike N 28 E
    Dip 20-30 SE
    Thickness 9.75M
    Length 76.2M
    Width 24.38M
    Depth to top 0M
    Depth to bottom 9.75M

Comments on the geologic information

  • SCHIST STRIKES NEARLY NORTH, DIPS 65-75 E
  • Type of Orebody #1: PEGMATITE Primary mode of Origin: MAGMATIC DIFFERENTIATION

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 1923

Mining district

District name Micanite District

Land status

Ownership category Private

Ownership information

  • Type Unknown
    Owner United States Mica Co.
    Year 1923
  • Type Operator
    Owner Colorado Feldspar Co.
    Home office Canon City, Co.
    First year 1950

Comments on the production information

  • MANY TONS OF CRUDE MICA AND A FEW TONS OF POTASH FELDSPAR WERE RECOVERED BY UNITED STATES MICA COMPANY (MICA) AND THE COLORADO FELDSPAR COMPANY (FELDSPAR) PRIOR TO 1950

Workings at the site

  • Type of workings Unknown
    Area 0.456HA
    Length 91.44M
    Overall depth 0M
    Overall length 79.25M
    Overall width 60.96M

Comments on the workings information

  • 2 OPEN CUTS, 2 TUNNEL ACCESSIBLE IN 1950; FORMER WORKINGS MORE EXTENSIVE BUT CAVED, DESTROYED OR INACCESSIBLE; LARGER OPEN CUT 160X75X32 FT DEEP AT FACE; CUT 2 IS 20X8X20 FT DEEP; FIRST TUNNEL 83 FT, SECOND TUNNEL 31 FT LONG.

Reference information

Bibliographic references

General comments

Subject category Comment text
Deposit WALL ZONE IS QUARTZ-MICROCLINE-ALBITE-MUSCOVITE PEGMATITE; CORE IS QUARTZ; PROBABLY ALBITE-MUSCOVITE BETWEEN CORE AND WALL ZONE

Reporter information

Type Date Name Affiliation Comment
Reporter 1982-12-01 Collins, Donna B. Colorado Geological Survey Collins also revised 10010881 on 01-jun-1992.
Editor 2012-10-02 Wilson, Anna B U.S. Geological Survey merged and deleted duplicate records 10010881 and 10264454
Reporter 1992-05-29 Martin U.S. Bureau of Mines MAS 0080930222.
Reporter 1980-06-01 Foord, Suzann C. U.S. Geological Survey MRDS D004933 = 10010881.

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.