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  3. Mineral Resource Data System (MRDS)

Unnamed Placer Mine

Past Producer in San Miguel 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. 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 10014381
MRDS ID D011127
Record type Site
Current site name Unnamed Placer Mine

Geographic coordinates

Geographic coordinates: -108.11315, 38.0275 (WGS84)
Elevation 2240
Relative position 17.5 MILES N 68 W FROM TELLURIDE

Site location context

Political divisions (FIPS codes)

San Miguel(county)

Colorado(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Placerville(quadrangle 1:24,000 scale)

Nucla(quadrangle 1:100,000 scale)

Moab(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

San Miguel(hydrologic unit)

Upper Colorado-Dolores(hydrologic accounting unit)

Upper Colorado-Dolores(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 San Miguel

Public Land Survey System information

Meridian Township Range Section Fraction State
New Mexico 044N 011W 30 SW OF SE Colorado

Comments on the location information

  • MINE LIES ON SOUTH SIDE OF SAN MIGUEL RIVER 800 FT BELOW MOUTH OF SPECIE CREEK. ; INFO FROM LAND.ST :1975

Commodities

Commodity Importance
Gold Primary

Materials information

Materials Type of material
Gold Ore

Host and associated rocks

  • Host or associated Host
    Rock type Unconsolidated Deposit > Sand and Gravel
    Rock unit name Terrace Gravel
    Rock description Terrace Gravel
    Stratigraphic age (youngest) Holocene
    Stratigraphic age (youngest) Holocene

Nearby scientific data

(1) -108.11315, 38.0275
ListMap

Economic information

Geologic structures

Type of structure Regional
Structure description Paradox Basin, Uncompahgre Uplift, San Juan Volcanic Field, San Miguel Mtns
Type of structure Local
Structure description Placerville Anticline, Specie Creek Graben

Controls for ore emplacement

  • Gravel-Filled Bedrock Channels And Contacts Between Bedrock And Gravel

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No

Mining district

District name Lower San Miguel District

Land status

Ownership category BLM Administrative Area

Comments on the workings information

  • BUSH AND OTHERS (1959) DESCRIBE OPERATION AS DRIFT MINE (EXTENT UNKNOWN) THAT MAY HAVE BEEN PART OF HYDRAULIC OPERATION.

Reference information

Bibliographic references

  • Deposit

    PARKER, B.H., JR., 1974, GOLD PLACERS OF COLORADO: COLORADO SCHOOL OF MINES QUART., V. 69, NO. 4, P. 172-184.

  • Deposit

    BUSH, A.L., AND OTHERS, 1959, AREAL GEOLOGY OF THE PLACERVILLE QUADRANGLE, SAN MIGUEL COUNTY, COLORADO: USGS BULL. 1072-E.

General comments

Subject category Comment text
Deposit MINE DEVELOPED ON SMALL TERRACE GRAVEL REMNANT LYING ABOUT 50 FT ABOVE PRESENT RIVER LEVEL.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-OCT-1983 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.