Grayback South Placer District

Past Producer in Huerfano county in Colorado, United States with commodity Gold
Warning: This record lacks important information: bibliographic references, which we consider necessary for a comprehensive report.
Sections on this page
  1. Identification information
  2. Geographic coordinates
  3. Site location context
  4. Geographic areas
  5. Commodities
  6. Mineral occurrence model information
  7. Host and associated rocks
  8. Nearby scientific data
  9. Economic information about the deposit and operations
  10. Reporter information

Geologic information

Identification information

Deposit ID 10400262
Record type District
Current site name Grayback South Placer District
Alternate or previous names Grayback South

Geographic coordinates

Geographic coordinates: -105.29051, 37.58644 (WGS84)

Site location context

Political divisions (FIPS codes)

Costilla(county)

Colorado(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Russell(quadrangle 1:24,000 scale)

Blanca Peak(quadrangle 1:100,000 scale)

Trinidad(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Alamosa-Trinchera(hydrologic unit)

Rio Grande Headwaters(hydrologic accounting unit)

Rio Grande Headwaters(hydrologic subregion)

Rio Grande(hydrologic region)

Geographic areas

Country State County
United States Colorado Huerfano

Commodities

Commodity Importance
Gold Primary

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 > Alluvium
    Stratigraphic age (youngest) Neogene
    Stratigraphic age (oldest) Miocene

Nearby scientific data

(1) -105.29051, 37.58644

Economic information

Economic information about the deposit and operations

Operation type Placer
Development status Past Producer
Commodity type Metallic
Significant No
Discovery year 1875

Reference information

Reporter information

Type Date Name Affiliation Comment
Editor 16-NOV-11 Wilson, Anna B U.S. Geological Survey Changed name to state it is a Placer 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.