Unnamed Gold Prospect

Occurrence in Rio Blanco county in Colorado, United States with commodity Gold
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. Alteration
  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 10094596
MRDS ID D009863
Record type Site
Current site name Unnamed Gold Prospect

Geographic coordinates

Geographic coordinates: -107.18342, 40.11248 (WGS84)
Elevation 3243
Location accuracy 1000(meters)
Relative position 39 MILES N 6 E FROM GLENWOOD SPRINGS

Site location context

Political divisions (FIPS codes)

Rio Blanco(county)

Colorado(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Devils Causeway(quadrangle 1:24,000 scale)

Meeker(quadrangle 1:100,000 scale)

Craig(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Upper Yampa(hydrologic unit)

White-Yampa(hydrologic accounting unit)

White-Yampa(hydrologic subregion)

Upper Colorado(hydrologic region)

Federal lands

Medicine Bow-Routt National Forest(National Forest)

National Forest FS(Type of land area)

FS(Federal land areas administered by FS)

Flat Tops Wilderness(Wilderness)

Wilderness FS(Type of land area)

FS(Federal land areas administered by FS)

Geographic areas

Country State County
United States Colorado Rio Blanco

Public Land Survey System information

Meridian Township Range Section Fraction State
6th Principal 002N 087W 29 Colorado

Comments on the location information

  • NE OF EAST FORK WILLIAMS FORK IN UNSURVEYED SECTION. ELEV AND LAT-LONG GIVEN ARE FOR APPROX CENTER OF SECTION ; INFO FROM LAND.ST :(1975)

Commodities

Commodity Importance
Gold Primary

Alteration

  • (Local) Heavy Iron Staining

Analytical data

Result SAMPLE FROM CENTRAL AREA OF VOLCANIC VENT CONTAINED L.T. 0.05 PPM AU. SAMPLE FROM WALLROCK OF VOLCANIC VENT CONTAINED L.T. 0.05 PPM AU. SPECTROGRAPHIC ANALYSES SHOWED PROBABLE RANGES OF G.T. 10% SI
Result 1 TO 10% AL, CA, FE, K, MG, NA
Result 0.1 TO 1.0% TI
Result 0.01 TO 0.1% BA, CO, CR, MN, NI, PB, SR
Result 0.001 TO 0.01% CU, RB.

Host and associated rocks

  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic) > Mafic Volcanic Rock > Basalt
    Rock unit name Basalt Flows And Intrusives
    Rock description Basalt Flows And Intrusives
  • Host or associated Host
    Rock type Volcanic Rock (Aphanitic) > Mafic Volcanic Rock > Basalt
    Rock unit name Basalt Flows And Intrusives;Mancos Shale
    Rock description Basalt Flows And Intrusives;Mancos Shale

Nearby scientific data

(1) -107.18342, 40.11248

Economic information

Geologic structures

Type of structure Regional
Structure description White River Uplift
Type of structure Local
Structure description Poose Creek Anticline

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Deposit size Small
Significant No

Mining district

District name Flat Tops Primitive Area

Land status

Ownership category National Forest

Reference information

Bibliographic references

  • Deposit

    MALLORY, W.W., AND OTHERS, 1966, MINERAL RESOURCES OF THE FLAT TOPS PRIMITIVE AREA, COLORADO: USGS BULL. 1230-C

General comments

Subject category Comment text
Deposit DEPOSIT ASSUMED TO BE VOLCANIC VENT CUTTING THRU CRETACEOUS MANCOS SHALE ON NE FLANK OF ANTICLINE. OTHER ROCK TYPES OBSERVED AT SITE INCLUDE WEATHERED SANDSTONE (PROBABLE VOLCANIC TUFF) AND POSSIBLE CONGLOMERATE. BASALT WALLROCK NOTED TO BE HEAVILY FE-STAINED, BUT NO MINERALIZATION VISIBLE.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JAN-83 Schwochow, Stephen D. 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.