Gold Coin

Occurrence in San Juan county in Utah, United States with commodities Gold, Platinum
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. Mineral occurrence model information
  9. Host and associated rocks
  10. Nearby scientific data
  11. Ore body information
  12. Controls for ore emplacement
  13. Economic information about the deposit and operations
  14. Mining district
  15. Land status
  16. Links to other databases
  17. Bibliographic references
  18. General comments
  19. Reporter information

Geologic information

Identification information

Deposit ID 10048470
MRDS ID MP00057
Record type Site
Current site name Gold Coin
Alternate or previous names Olympia Bar

Geographic coordinates

Geographic coordinates: -110.59766, 37.59193 (WGS84)
Elevation 1067

Site location context

Political divisions (FIPS codes)

San Juan(county)

Utah(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Knowles Canyon(quadrangle 1:24,000 scale)

Hite Crossing(quadrangle 1:100,000 scale)

Escalante(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Upper Lake Powell(hydrologic unit)

Upper Colorado-Dirty Devil(hydrologic accounting unit)

Upper Colorado-Dirty Devil(hydrologic subregion)

Upper Colorado(hydrologic region)

Federal lands

Glen Canyon National Recreation Area(National Recreation Area)

National Recreation Area NPS(Type of land area)

NPS(Federal land areas administered by NPS)

Geographic areas

Country State County
United States Utah San Juan

Public Land Survey System information

Meridian Township Range Section Fraction State
Salt Lake 037S 012E 04,09 Utah

Comments on the location information

  • UNSURVEYED. PLACER GRAVELS ARE NOW INUNDATED BY LAKE POWELL. LOCATION GIVEN IS IN LAKE POWELL ABOUT MIDWAY BETWEEN CEDAR AND KNOWLES CANYONS

Commodities

Commodity Importance
Gold Primary
Platinum Critical Tertiary

Comments on the commodity information

  • 3 SMALL COLORS OF GRAY METALLIC MINERAL WITH SAME DEGREE OF ROUNDING AND PITTING WERE BELIEVED TO BE PT; THIS HAS NOT BEEN VERIED. GOLD IS IN SMALL FLAKES GENERALLY LESS THAN 0.1 MM

Materials information

Materials Type of material
Gold Ore
Platinum Ore
Chromite Gangue
Garnet Gangue
Hematite Gangue
Ilmenite Gangue
Magnetite Gangue
Rutile Gangue
Zircon Gangue

Analytical data

Result GRAVELS RAN $.73/YD. GOLD IS 960 FINE. AU:AG=12:1

Mineral occurrence model information

Model code 119
USGS model code 39a
Deposit model name Placer Au-PGE
Mark3 model number 54

Host and associated rocks

  • Host or associated Host
    Rock type Unconsolidated Deposit > Gravel
    Stratigraphic age (youngest) Holocene

Nearby scientific data

(1) -110.59766, 37.59193

Economic information

Ore body information

  • General form BENCH AND BAR GRAVELS

Controls for ore emplacement

  • Stream Hydraulics

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Deposit size Small
Significant No

Mining district

District name Colorado River Placers

Land status

Ownership category National Recreation Area

Comments on the workings information

  • BENCHES AT 20, 65, 155, AND 175 FT ABOVE RIVER LEVEL. LOWER TWO BENCHES HAVE SMALL CUTS, UPPER TWO HAVE EXTENSIVE CUTS

Comments on development

  • WATER WHEEL FROM GOOD HOPE BAR MOVED TO GOLD COIN PLACER IN 1910

Reference information

Bibliographic references

General comments

Subject category Comment text
Deposit GOLD SHOWS UNIFORM VERTICAL DISTRIBUTION

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUL-1991 Peterson, Jocelyn A. U.S. Geological Survey

Beyond USGS

Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.