Crystal No. 8 Mine

Past Producer in Chaffee county in Colorado, United States with commodities Feldspar, REE
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 10013702
MRDS ID D010133
Record type Site
Current site name Crystal No. 8 Mine
Alternate or previous names No. 8 Mine

Geographic coordinates

Geographic coordinates: -106.02421, 38.82917 (WGS84)
Elevation 2682
Relative position 5.8 MILES S 81 E OF BUENA VISTA

Site location context

Political divisions (FIPS codes)

Chaffee(county)

Colorado(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Buena Vista East(quadrangle 1:24,000 scale)

Gunnison(quadrangle 1:100,000 scale)

Montrose(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
6th Principal 014S 077W 17 S2 Colorado

Comments on the location information

  • JUST S OF INTERSECTION OF TROUT CREEK AND SHIELDS GULCH; ABOUT 0.5 MILE SOUTH OF HIGHWAY 24 ; INFO FROM LAND.ST :(1976)

Commodities

Commodity Importance
Feldspar Primary
REE Critical Secondary

Materials information

Materials Type of material
Allanite Ore
Euxenite Ore
Microcline Ore
Biotite Gangue
Garnet Gangue
Plagioclase Gangue
Quartz Gangue

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Granitoid > Granite
    Rock unit name Granitic Rocks
    Rock description Granitic Rocks
    Stratigraphic age (youngest) Neoproterozoic
    Stratigraphic age (youngest) Neoproterozoic
    Stratigraphic age (youngest) Neoproterozoic
  • Host or associated Host
    Rock type Plutonic Rock > Granitoid > Granite

Nearby scientific data

(1) -106.02421, 38.82917

Economic information

Geologic structures

Type of structure Regional
Structure description Mosquito Range, Arkansas Valley Graben
Type of structure Local
Structure description Nw-Trending Faults

Ore body information

  • General form LENTICULAR
    Strike N 85 E
    Dip 75 SE
    Length 91.44M
    Width 12.19M

Economic information about the deposit and operations

Development status Past Producer
Commodity type Both
Deposit size Small
Significant No

Mining district

District name Trout Creek Pass Area

Land status

Ownership category Private

Ownership information

  • Type Owner
    Owner M And S, Inc.
    Home office Denver, Co.
    First year 1950

Comments on the reserve resource information

  • RESERVES COULD BE GREATER THAN INDICATED

Workings at the site

  • Type of workings Unknown
    Area 0.021HA
    Overall length 24.38M
    Overall width 9.14M

Comments on the workings information

  • IRREGULAR, TWO-LEVEL OPEN-CUT WITH ADDITIONAL SMALL PITS, CROSSCUTS; ONE SHORT, NARROW ADIT

Reference information

Bibliographic references

General comments

Subject category Comment text
Deposit 2 ZONES: CORE IS QUARTZ-MICROCLINE-PLAGIOCLASE PEGMATITE; BORDER ZONE SAME MINERALS PLUS DARK-RED GARNET

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.