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  3. Mineral Resource Data System (MRDS)

Cochetopa Prospect

Occurrence in Saguache county in Colorado, United States with commodity Tungsten
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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. Economic information about the deposit and operations
  12. Mining district
  13. Land status
  14. Links to other databases
  15. Bibliographic references
  16. General comments
  17. Reporter information

Geologic information

Identification information

Deposit ID 10014555
MRDS ID D011379
Record type Site
Current site name Cochetopa Prospect

Geographic coordinates

Geographic coordinates: -106.78173, 38.32444 (WGS84)
Elevation 2719
Location accuracy 500(meters)
Relative position 16.9 MILES S 27 E FROM GUNNISON

Site location context

Political divisions (FIPS codes)

Saguache(county)

Colorado(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Sawtooth Mountain(quadrangle 1:24,000 scale)

Saguache(quadrangle 1:100,000 scale)

Montrose(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Tomichi(hydrologic unit)

Gunnison(hydrologic accounting unit)

Gunnison(hydrologic subregion)

Upper Colorado(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 Saguache

Public Land Survey System information

Meridian Township Range Section Fraction State
New Mexico 047N 002E 20 NW Colorado

Comments on the location information

  • ORIGNIAL CRIB RECORD GIVES LOCATION AS NORTH SIDE OF ROCK CREEK ABOUT ONE MILE WEST OF COCHETOPA CREEK. ELEV AND LAT-LONG GIVEN ARE FOR PEGMATITE ON NORTH SIDE OF ROCK CREEK AT CORSON PLACE. ; INFO FROM LAND.ST :1976

Commodities

Commodity Importance
Tungsten Critical Tertiary

Materials information

Materials Type of material
Scheelite Ore

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Granitoid > Quartz Monzonite
    Stratigraphic age (youngest) Neoproterozoic
    Stratigraphic age (youngest) Neoproterozoic
  • Host or associated Associated
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite
    Rock unit name Granodiorite;Quartz Monzonite Of Cochetopa Creek;Pegmatite
    Rock description Granodiorite;Quartz Monzonite Of Cochetopa Creek;Pegmatite
  • Host or associated Associated
    Rock type Plutonic Rock > Pegmatite
  • Host or associated Host
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite

Nearby scientific data

(1) -106.78173, 38.32444
ListMap

Economic information

Geologic structures

Type of structure Regional
Structure description San Juan Volcanic Field, Gunnison Uplift
Type of structure Local
Structure description Cochetopa Pluton, Unnamed Fault

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Deposit size Small
Significant No

Mining district

District name Cochetopa (Cochetopa Creek) District

Land status

Ownership category BLM Administrative Area

Reference information

Bibliographic references

  • Deposit

    OLSON, J.C., AND STEVEN, T.A., 1976, GEOLOGIC MAP OF THE SAWTOOTH MOUNTAIN QUADRANGLE, SAGUACHE COUNTY, COLORADO: USGS MAP MF-733.

  • Deposit

    LEMMON, D.M., AND TWETO, OGDEN, 1962, TUNGSTEN IN THE UNITED STATES: USGS MAP MR-25, P. 10

  • Deposit

    LEMMON, D.M., UNPUB. DATA (FROM ORIGINAL CRIB RECORD)

General comments

Subject category Comment text
Deposit NE-AND ENE-TRENDING PEGMATITES CUT GRANODIORITE SOUTH OF ITS FAULT CONTACT WITH COCHETOPA CREEK QUARTZ MONZONITE PLUTON. PROBABLE SCHEELITE-BEARING PEGMATITE TRENDS N 63 E AND IS SUBPARALLEL TO TERTIARY-AGE FAULT THAT PROBABLY REPRESENTS RING-ZONE SUBSIDENCE STRUCTURE ON NORTH SIDE OF COCHETOPA PARK CALDERA.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-FEB-84 Schwochow, Stephen D. 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.