Mica-Beryl Mine

Producer in Chaffee county in Colorado, United States with commodities Feldspar, Mica, Beryllium, Niobium (Columbium), Tantalum, REE, Marble, Dimension
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. Workings at the site
  17. Links to other databases
  18. Bibliographic references
  19. General comments
  20. Reporter information

Geologic information

Identification information

Deposit ID 10013705
MRDS ID D010137
Record type Site
Current site name Mica-Beryl Mine

Geographic coordinates

Geographic coordinates: -105.96948, 38.65639 (WGS84)
Elevation 2926
Relative position 8.5 MILES N 06 E OF SALIDA POST OFFICE

Site location context

Political divisions (FIPS codes)

Chaffee(county)

Colorado(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Cameron Mountain(quadrangle 1:24,000 scale)

Pikes Peak(quadrangle 1:100,000 scale)

Pueblo(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

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 Chaffee

Public Land Survey System information

Meridian Township Range Section Fraction State
New Mexico 051N 009E 21 SE OF SW OF NE OF SE Colorado

Comments on the location information

  • ABOUT 0.5 MILE WEST OF MARBLE QUARRY GULCH, TO SE OF GREEN MOUNTAIN, ON FLAT BENCH ; INFO FROM LAND.ST :(1976)

Commodities

Commodity Importance
Feldspar Primary
Mica Primary
Beryllium Critical Secondary
Niobium (Columbium) Critical Secondary
Tantalum Critical Secondary
REE Critical Secondary
Marble, Dimension Tertiary

Comments on the commodity information

  • GREENISH-BLUE, SUBHEDRAL TO EUHEDRAL BERYL, PRACTICALLY FREE OF INCLUSIONS; COLUMBITE-TANTALITE MASSIVE, LARGE SIZE; POTASH FELDSPAR IN CORE HIGH QUALITY

Materials information

Materials Type of material
Beryl Ore
Marble Ore
Microcline Ore
Muscovite Ore
Plagioclase Gangue
Quartz Gangue

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite
    Rock unit name Granodiorite
    Rock description Granodiorite
    Stratigraphic age (youngest) Neoproterozoic
    Stratigraphic age (youngest) Neoproterozoic
    Stratigraphic age (youngest) Mississippian
  • Host or associated Host
    Rock type Metamorphic Rock > Metasedimentary Rock > Quartzite
  • Host or associated Host
    Rock type Metamorphic Rock > Metasedimentary Rock > Marble
  • Host or associated Host
    Rock type Sedimentary Rock > Carbonate > Limestone
  • Host or associated Host
    Rock type Plutonic Rock > Granitoid > Granite

Nearby scientific data

(1) -105.96948, 38.65639

Economic information

Geologic structures

Type of structure Regional
Structure description Southern Mosquito Range, Thirtynine Mile Volcanic Field, Arkansas Valley Graben
Type of structure Local
Structure description E-W-Trending Faults, Fault Blocks

Ore body information

  • General form LENSOID
    Strike N 87 E
    Dip VERTICAL
    Thickness 9.14M
    Length 137.16M
    Width 15.24M
    Depth to top 0M
    Depth to bottom 4.27M

Economic information about the deposit and operations

Development status Producer
Commodity type Both
Deposit size Small
Significant No
Discovery year 1941

Mining district

District name Turret District

Land status

Ownership category National Forest

Ownership information

  • Type Operator
    Owner Mr. Strah
    Home office Salida, Co.
    First year 1944
  • Type Owner
    Owner Edgar And Edmond Riegel, Elbert Davidson, Edgar Ingham
    First year 1950

Workings at the site

  • Type of workings Unknown
    Length 60.96M
    Overall depth 6.1M
    Overall length 83.82M
    Overall width 38.1M

Comments on the workings information

  • ELONGATE OPEN CUT 160 X 35 X 14; 5 PROSPECT PITS (SEARCHING FOR GOLD)

Reference information

Bibliographic references

  • Deposit

    HANLEY, J.B., HEINRICH, E.W., PAGE, L.R., 1950, PEGMATITE INVESTIGATIONS IN COLORADO, WYOMING, AND UTAH, 1942-1944: USGS PROFESSIONAL PAPER 227, P. 23-27

  • Deposit

    SCOTT, G.R., TAYLOR, R.B., EPIS, R.C. AND WOBUS, R.A., 1978, GEOLOGIC MAP OF THE PUEBLO 1 DEG X 2 DEG QUADRANGLE, SOUTH-CENTRAL COLORADO: USGS MAP I-1022, 1:250,000

  • Deposit

    ARGALL, G.O., JR., 1949, INDUSTRIAL MINERALS OF COLORADO: COLORADO SCHOOL OF MINES QUARTERLY, V. 44, NO. 2, P. 52.

  • Deposit

    PARKER, R.L., 1963, NIOBIUM AND TANTALUM IN THE UNITED STATES: USGS MAP MR-36

  • Deposit

    VAN DIVER, B.B., 1957, GEOLOGY OF THE CALUMET MINING DISTRICT, CHAFFEE COUNTY, COLORADO: UNIVERSITY OF COLORADO THESIS, P. 83.

  • Deposit

    BOARDMAN, S.J., 1976, GEOLOGY OF THE PRECAMBRIAN METAMORPHIC ROCKS OF THE SALIDA AREA, CHAFFEE COUNTY, COLORADO: THE MOUNTAIN GEOLOGIST, V. 13, NO. 3, P. 89-100.

  • Deposit

    BOARDMAN, S.J., 1971, PRECAMBRIAN GEOLOGY AND MINERAL DEPOSITS OF THE SALIDA AREA, CHAFFEE COUNTY, COLORADO: PH.D. THESIS, UNIVERSITY OF MICHIGAN, 131 P.

  • Production

    PARKER, R.L. (1963)

General comments

Subject category Comment text
Deposit WALL ZONE: QUARTZ-MICROCLINE-MUSCOVITE-PLAGIOCLASE, 3-5 FT THICK; INTERMEDIATE ZONE: MUSCOVITE-PLAGIOCLASE-BERYL, 2-3 FT THICK; CORE: MICROCLINE-QUARTZ, 25-FT WIDE AVERAGE; MARBLE REPORTED-POSSIBLY SEPARATE QUARRY

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JAN-1983 Collins, Donna B. Colorado Geological Survey

Beyond USGS

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

Authoritative Colorado resources

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