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  3. Mineral Resource Data System (MRDS)

West McCoy Gulch Property

Occurrence in Fremont county in Colorado, United States with commodity Copper
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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. Host and associated rocks
  10. Nearby scientific data
  11. Geologic structures
  12. Controls for ore emplacement
  13. Economic information about the deposit and operations
  14. Land status
  15. Workings at the site
  16. Links to other databases
  17. Bibliographic references
  18. General comments
  19. Reporter information

Geologic information

Identification information

Deposit ID 10013363
MRDS ID D009611
Record type Site
Current site name West McCoy Gulch Property

Geographic coordinates

Geographic coordinates: -105.65891, 38.35473 (WGS84)
Elevation 2073
Relative position 2.1 MILES S 50 E OF COTOPAXI

Site location context

Political divisions (FIPS codes)

Fremont(county)

Colorado(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Cotopaxi(quadrangle 1:24,000 scale)

Canon City(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

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 Fremont

Public Land Survey System information

Meridian Township Range Section Fraction State
New Mexico 047N 012E 05 NE OF SE Colorado

Comments on the location information

  • WEST FROM TEXAS CREEK ON HWY 50 FOR 3.5 MILES THEN SOUTH 4 MILES ON SAND GULCH ROAD. PROPERTY IS 200 FT WEST OF ROAD ; INFO FROM LAND.ST :(1976)

Commodities

Commodity Importance
Copper Primary

Comments on the commodity information

  • THE COPPER OXIDE IS INTERSTITIAL

Materials information

Materials Type of material
Chalcopyrite Ore
Copper Ore
Quartz Gangue

Alteration

  • (Local) Altered Biotite Gneiss; Kaolinization

Analytical data

Result GRAB SAMPLE (DUMP): 9.4% CU, 0.3 OZ/TON AG

Host and associated rocks

  • Host or associated Host
    Rock type Metamorphic Rock > Gneiss
    Rock unit name Migmatitic Gneiss
    Rock description Migmatitic Gneiss
    Stratigraphic age (youngest) Paleoproterozoic
    Stratigraphic age (youngest) Paleoproterozoic
  • Host or associated Host
    Rock type Plutonic Rock > Granitoid > Granite

Nearby scientific data

(1) -105.65891, 38.35473
ListMap

Economic information

Geologic structures

Type of structure Regional
Structure description Northern Wet Mountains, Canon City Embayment, Thirtynine Mile Volcanic Field
Type of structure Local
Structure description West Mccoy Gulch Fault Trending Ne

Controls for ore emplacement

  • Faults, Fault Intersections; Shear Zones

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Deposit size Small
Significant No

Land status

Ownership category BLM Administrative Area

Workings at the site

  • Type of workings Surface
    Overall depth 1.83M

Comments on the workings information

  • ONE SMALL PIT

Reference information

Bibliographic references

  • Deposit

    COKER, R. J., 1982, MINERAL RESOURCES OF THE ARKANSAS CANYON PLANNING UNIT WITH SPECIAL EMPHASIS ON THE FORMER GRAPE CREEK WILDERNESS STUDYAREAS AND THE MCINTYRE HILL WILDERNESS STUDY AREA: US BLM MINERAL REPOR, P. 124

  • Deposit

    TAYLOR, R. B., SCOTT, G. R., WOBUS, R. A. AND EPIS, R. C., 1975, RECONNAISSANCE GEOLOGIC MAP OF THE COTOPAXI 15-MINUTE QUADRANGLE, FREMONT AND CUSTER COUNTIES, COLORADO: USGS MAP I-900, 1: 62,500.

General comments

Subject category Comment text
Deposit THE DEPOSIT APPEARS TO HAVE BEEN MINED OUT, AS THE PIT WALL IS VIRTUALLY BARREN OF MINERALIZATION

Reporter information

Type Date Name Affiliation Comment
Reporter 01-OCT-1982 Collins, Donna B. Colorado Geological Survey

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.