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  3. Mineral Resource Data System (MRDS)

Big Dry Creek Placers

Occurrence in Arapahoe county in Colorado, United States with commodity Gold
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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. Reporter information

Geologic information

Identification information

Deposit ID 10012343
MRDS ID D007919
Record type Site
Current site name Big Dry Creek Placers
Related records 10287471

Geographic coordinates

Geographic coordinates: -104.9589, 39.59527 (WGS84)
Elevation 1679

Site location context

Political divisions (FIPS codes)

Arapahoe(county)

Colorado(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Highlands Ranch(quadrangle 1:24,000 scale)

Denver East(quadrangle 1:100,000 scale)

Denver(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Upper South Platte(hydrologic unit)

South Platte(hydrologic accounting unit)

South Platte(hydrologic subregion)

Missouri(hydrologic region)

Geographic areas

Country State County
United States Colorado Arapahoe

Public Land Survey System information

Meridian Township Range Section Fraction State
6th Principal 005S;005S 068W;067W 09,15,16,23,24,25,36;31 Colorado

Comments on the location information

  • IN LITTLETON. LAT-LONG IS BIG DRY CREEK AT ARAPAHOE RD. EXACT PLACER SITES NOT DETERMINABLE . PLACERS EXTEND ONTO FORT LOGAN QUAD. ; INFO FROM LAND.ST :(1974)

Commodities

Commodity Importance
Gold Primary

Materials information

Materials Type of material
Gold Ore

Analytical data

Result $0.10 TO $1.00/YD

Host and associated rocks

  • Host or associated Host
    Rock type Unconsolidated Deposit > Gravel
    Stratigraphic age (youngest) Holocene
  • Host or associated Host
    Rock type Unconsolidated Deposit > Sand and Gravel
    Rock unit name Piney Creek Alluvium;Broadway Alluvium
    Rock description Piney Creek Alluvium;Broadway Alluvium

Nearby scientific data

(1) -104.9589, 39.59527
ListMap

Economic information

Geologic structures

Type of structure Regional
Structure description Denver Basin
Type of structure Local
Structure description Denver Basin

Comments on the geologic information

  • PROBABLE SOURCE OF GOLD IS CASTLE ROCK CONGLOMERATE (LOWER OLIGOCENE)

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1858
Discoverer Green Russell And Sam Bates

Mining district

District name Denver Area

Land status

Ownership category Private

Comments on development

  • DRIFTING IN BENCH DEPOSITS, SOME WORKING OF STREAM BED. FINE AU TOO FINE-GRAINED, COARSE AU TOO SCALY TO SAVE, OVERBURDEN TOO THICK TO STRIP

Reference information

Bibliographic references

  • Deposit

    PARKER, B.H., JR., 1974, GOLD PLACERS OF COLORADO: COLORADO SCHOOL MINES QUAT., V. 69, NO. 3, P. 45-57

  • Deposit

    MABERRY, J.O., AND LINDVALL, R.M., 1977, GEOLOGIC MAP OF THE HIGHLANDS RANCH QUADRANGLE, ARAPAHOE AND DOUGLAS COUNTIES, COLORADO: USGS MAP GQ-1413.

  • Deposit

    LINDVALL, R.M., 1978, GEOLOGIC MAP OF THE FORT LOGAN QUADRANGLE, JEFFERSON, DENVER, AND ARAPAHOE COUNTIES, COLORADO: USGS MAP GQ-1427.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-SEP-1981 Schwochow, Stephen D. Colorado Geological Survey
Updater 01-MAY-1983 Schwochow, Stephen D. Colorado Geological Survey

Beyond USGS

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

External references

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.