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  3. Mineral Resource Data System (MRDS)

Spielman Quarry

Past Producer in Douglas county in Colorado, United States with commodities Feldspar, REE
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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. Workings at the site
  17. Links to other databases
  18. Bibliographic references
  19. General comments
  20. Reporter information

Geologic information

Identification information

Deposit ID 10087847
MRDS ID D010302
Record type Site
Current site name Spielman Quarry

Geographic coordinates

Geographic coordinates: -105.04085, 39.15972 (WGS84)
Elevation 2719
Relative position 17.7 MILES S 34 W FROM CASTLE ROCK

Site location context

Political divisions (FIPS codes)

Douglas(county)

Colorado(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Dakan Mountain(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 010S 068W 19 SW OF SE Colorado

Comments on the location information

  • SOUTH OF FERN CREEK 5.5 MILES SE OF DAKAN MTN AND 7.7 MILES SE OF DEVILS HEAD. AT OR NEAR LOST DUTCHMAN SITE ; INFO FROM LAND.ST :(1974)

Commodities

Commodity Importance
Feldspar Primary
REE Critical Tertiary

Materials information

Materials Type of material
Microcline Ore
Allanite Gangue
Biotite Gangue

Host and associated rocks

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

Nearby scientific data

(1) -105.04085, 39.15972
ListMap

Economic information

Geologic structures

Type of structure Regional
Structure description Front Range Uplift, Pikes Peak Batholith, Rampart Range Uplift
Type of structure Local
Structure description Perry Park-Jarre Canyon Fault, Rampart Range Fault, Manitou Park Half Graben

Ore body information

  • Length 60.96M
    Width 15.24M

Economic information about the deposit and operations

Development status Past Producer
Commodity type Both
Deposit size Small
Significant No
Year of last production 1947

Mining district

District name Devils Head Pegmatite District

Land status

Ownership category National Forest

Ownership information

  • Type Operator
    Owner M And S, Inc.
    Home office Denver, Co.
    First year 1947
  • Type Owner
    Owner Wallace Brough
    Home office Woodland Park, Co.
    First year 1947

Comments on the production information

  • PROBABLE PARTIAL PRODUCTION RECORD

Workings at the site

  • Type of workings Surface
    Length 45.72M
    Overall width 12.19M

Comments on the workings information

  • OPEN CUTS UP TO 12 FT HIGH

Reference information

Bibliographic references

  • Deposit

    MEEVES, H.C., AND OTHERS, 1966, RECONNAISSANCE OF BERYLLIUM-BEARING PEGMATITE DEPOSITS IN SIX WESTERN STATES: USBM IC-8298, P. 24-25.

  • Deposit

    BRYANT, BRUCE, AND OTHERS, 1981, GEOLOGIC MAP OF THE DENVER 1X2 QUADRANGLE, NORTH-CENTRAL COLORADO: USGS MAP L-1163.

  • Deposit

    HEINRICH, E.W., 1957, PEGMATITE PROVINCES OF COLORADO: COLORADO SCHOOL MINES QUART., V. 52, NO. 4, P. 1-22.

  • Deposit

    TRIMBLE, D.E., AND MACHETTE, M.N., 1979, GEOLOGIC MAP OF THE COLORADO SPRINGS-CASTLE ROCK AREA, FRONT RANGE URBAN CORRIDOR, COLORADO: USGS MAP I-857-F.

  • Production

    COLO. DIV. MINES ANN. OPERATOR REPT.

General comments

Subject category Comment text
Deposit UNZONED PEGMATITE

Reporter information

Type Date Name Affiliation Comment
Reporter 01-FEB-1983 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.