Arkansas River Placers District

Past Producer in Fremont county in Colorado, United States with commodities Gold, Silver, Copper, Lead, Zinc
Sections on this page
  1. Identification information
  2. Geographic coordinates
  3. Site location context
  4. Geographic areas
  5. Commodities
  6. Materials information
  7. Mineral occurrence model information
  8. Host and associated rocks
  9. Nearby scientific data
  10. Geologic structures
  11. Controls for ore emplacement
  12. Economic information about the deposit and operations
  13. Mining district
  14. Land status
  15. Links to other databases
  16. Bibliographic references
  17. General comments
  18. Reporter information

Geologic information

Identification information

Deposit ID 10013170
MRDS ID D009316
Record type District
Current site name Arkansas River Placers District

Geographic coordinates

Point of reference Approximate
Geographic coordinates: -105.40752, 38.48501 (WGS84)
Elevation 2195
Relative position point is at the mouth of the Arkansas River Gorge immediately west of Parkdale; WEST OF FLORENCE, ALONG ARKANSAS RIVER VALLEY FLOOR

Site location context

Political divisions (FIPS codes)

Fremont(county)

Colorado(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

McIntyre Hills(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

Comments on the location information

  • PLACERS EXTEND FROM CHAFFEE COUNTY LINE TO FLORENCE. BECAUSE SUCH A LARGE AREA IS INVOLVED, LOCATIONS ARE ESTIMATED ; INFO FROM LAND.ST :1976

Commodities

Commodity Importance
Gold Primary
Silver Primary
Copper Secondary
Lead Secondary
Zinc Critical Secondary

Materials information

Materials Type of material
Gold Ore
Silver Ore

Mineral occurrence model information

Model code 56
USGS model code 17a
Deposit model name Placer Au

Host and associated rocks

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

Nearby scientific data

Approximate (1) -105.40752, 38.48501

Economic information

Geologic structures

Type of structure Regional
Structure description Thirtynine Mile Volcanic Field, Wet Mountains

Controls for ore emplacement

  • Sand Bars

Economic information about the deposit and operations

Operation type Placer
Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1932
Year of last production 1945

Mining district

District name Arkansas River Placers District

Land status

Ownership category Private

Comments on the production information

  • PRODUCTION WAS REPORTED FROM 2 TO 13 DIFFERENT OPERATIONS; IN 1945 PRODUCTION WAS FROM ONE LODE MINE

Reference information

Bibliographic references

  • Deposit

    VANDERWILT, J.W., 1947, MINERAL RESOURCES OF COLORADO: COLORADO MINERAL RESOURCES BOARD, P. 83-84.

  • Deposit

    TAYLOR, R.B., SCOTT, G.R., WOBUS, R.A., 1975, RECONNAISSANCE GEOLOGIC MAP OF THE HOWARD QUADRANGLE, CENTRAL COLORADO: USGS MAP I-892, 1:62,500

  • Deposit

    TAYLOR, R.B., SCOTT, G.R., WOBUS, R.A., 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.

  • Deposit

    TAYLOR, R.B., SCOTT, G.R., WOBUS, R.A., EPIS, R.C., 1975, RECONNAISSANCE GEOLOGIC MAP OF THE ROYAL GORGE QUADRANGLE, FREMONT AND CUSTER COUNTIES, COLORADO: USGS MAP I-869, 1:62,500.

  • Production

    VANDERWILT, 1947

General comments

Subject category Comment text
Deposit GOLD FOUND IN SAND BARS. BELIEVED TO DERIVE IN PART FROM FORMER MILLING OPERATIONS AT LEADVILLE

Reporter information

Type Date Name Affiliation Comment
Reporter 01-AUG-82 Collins, Donna B. Colorado Geological Survey
Editor 16-NOV-11 Wilson, Anna B U.S. Geological Survey changed from site to district

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.