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Colorado Mineral Society

Unknown in Douglas county in Colorado, United States with commodities Magnesite, Talc-Soapstone
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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. Nearby scientific data
  9. Ore body information
  10. Economic information about the deposit and operations
  11. Mining district
  12. Land status
  13. Ownership information
  14. Links to other databases
  15. Bibliographic references
  16. Reporter information

Geologic information

Identification information

Deposit ID 10183441
MAS/MILS ID 0080350003
Record type Site
Current site name Colorado Mineral Society

Geographic coordinates

Point of reference Ore Body
Geographic coordinates: -105.10997, 39.2569 (WGS84)
Elevation 2652

Site location context

Political divisions (FIPS codes)

Douglas(county)

Colorado(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Devils Head(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 Douglas

Public Land Survey System information

Meridian Township Range Section Fraction State
6th Principal 009 S 069 W 21 NENE Colorado

Commodities

Commodity Importance
Magnesite Tertiary
Talc-Soapstone Tertiary

Materials information

Materials Type of material
Alabandite Unknown
Biotite Unknown
Cassiterite Unknown
Microcline Unknown
Muscovite Unknown
Orthoclase Unknown
Quartz Unknown
Topaz Unknown

Nearby scientific data

Ore Body (1) -105.10997, 39.2569
ListMap

Economic information

Ore body information

  • Thickness 9999M
    Length 24M
    Width 3M
    Area 1HA
    Depth to top 0M
    Field Value
    Type of Orebody #1 PEGMATITE
    Shape of Orebody #1 TABULAR
    Primary mode of Origin MAGMATIC DIFFER
    Secondary mode of Origin HYDROTHERMAL
    Primary Ore Control IGNEOUS
    Degree of Wallrock Alter. SLIGHT
    Type of Wallrock Alter. #1 ADV ARGILLIC
    Strike And Dip N10W:
    Minimum Depth to Top 0
    Avg. Thick. Unconsol. Mat. 0
    Min. Thick. Unconsol. Mat. 0
    Total Surface Area (HA) 1
    Date of Last Modification 780213

Comments on the geologic information

  • CASSITERITE PRESENT IN PEGMATITES AS A MINOR OCCURRENCE PEGMATITE DEPOSITS MINED FOR THEIR GEM QUALITY-TOPAZ AND AMAZONITE.

Economic information about the deposit and operations

Commodity type Both
Significant No
Discovery year 1883
Year of first production 1883

Mining district

District name Devils Head Pegmatite District

Land status

Ownership category National Forest

Ownership information

  • Type Owner
    Owner Colorado Mineral Society
    Interest 100
    Home office Nebraska
    Year 1975

Reference information

Bibliographic references

  • Deposit

    CROSS, C. W., AND HILLEBRAND, W.F., 1885, MINERALOGY OF THE

  • Deposit

    MTNS: U.S. GEOL SURVEY BULL. 20, PP. 73-74.

  • Deposit

    ECKEL, EDWIN B., 1961, MINERALS OF COLORADO: A 100-YEAR RECO

  • Deposit

    U.S. GEOL SURVEY BULL. 1114, PP 91-92.

  • Deposit

    HANLEY, J. B., ET. AL., 1950, PEGMATITE INVESTIGATIONS IN CO

  • Deposit

    1942-1944: U.S. GEOLOGICAL SURVEY PROF. PAPER 227, PP 31.

  • Deposit

    LANDES, K. K., 1935, COLORADO PEGMATITES: AM. MINERALOGIST,

  • Deposit

    R. 5, PP. 319-333.

  • Deposit

    PEACOCK, M. A., 1935, TOPAZ FROM DEVILS HEAD, COLORADO: AM.

  • Deposit

    MINERALOGIST, V. 20, R.5, PP. 354-363.

  • Deposit

    PEARL, R. M., 1958, COLORADO GEM TRAILS AND MINERAL GUIDE: S

  • Deposit

    BOOKS, PP. 152-156.

Reporter information

Type Date Name Affiliation Comment
Reporter 27-FEB-1984 Intermountain Field Operations Center (IFOC) U.S. Bureau of Mines

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.