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  2. Online Spatial Data
  3. Mineral Resource Data System (MRDS)

Midnight Sun

Prospect in Costilla county in Colorado, United States with commodities Gold, Silver
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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. Mineral occurrence model 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. Ownership information
  15. Links to other databases
  16. Bibliographic references
  17. General comments
  18. Reporter information

Geologic information

Identification information

Deposit ID 10017260
MRDS ID DC03189
Record type Site
Current site name Midnight Sun
Alternate or previous names Midnight Group, Pride, Red Bird

Geographic coordinates

Point of reference Pit
Geographic coordinates: -105.27362, 37.61641 (WGS84)
Elevation 2950
Location accuracy 50(meters)
Relative position 4.2 MILES N10E OF RUSSELL.

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 Costilla

Public Land Survey System information

Meridian Township Range Section Fraction State
6th Principal 028S;028S 070W;071W 18;13 SW OF NW OF SE OF NE Colorado

Comments on the location information

  • ALTHOUGH DISTRICT ACTUALLY IS IN UNSURVEYED PRIVATE LAND GRANT, SECTIONS REPORTED ARE BASED ON PATTON AND OTHERS' (1910) MAP RATHER THAN PROJECTIONS FROM ADJACENT QUADS. LAT-LONG AND ELEVATIONS DETERMINED FROM TOPO QUAD. MINE OR CLAIMS LIE ALONG BUCKSKIN GULCH AT JUNCTION WITH PLACER CREEK. LAT-LONG GIVEN IS MIDNIGHT SUN TUNNEL, PROBABLY LOCATED ON MIDNIGHT 2 CLAIM ; INFO FROM LAND.ST :(1975)

Commodities

Commodity Importance
Gold Primary
Silver Primary

Mineral occurrence model information

Model code 72
USGS model code 19a
Deposit model name Polymetallic replacement
Mark3 model number 47

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Granitoid > Monzonite
    Rock unit name Monzonite Porphyry
    Rock description Monzonite Porphyry
    Stratigraphic age (youngest) Oligocene
    Stratigraphic age (youngest) Pennsylvanian
  • Host or associated Host
    Rock type Sedimentary Rock > Carbonate > Limestone
    Rock unit name Minturn Formation
    Rock description Minturn Formation

Nearby scientific data

Pit (1) -105.27362, 37.61641
ListMap

Economic information

Geologic structures

Type of structure Regional
Structure description Sierra Blanca Massif, Ft. Garland Embayment
Type of structure Local
Structure description Vega Cr. Anticline, Wagon Mesa Fault

Economic information about the deposit and operations

Operation type Underground
Development status Prospect
Commodity type Metallic
Deposit size Small
Significant No

Mining district

District name Grayback (Russell) District

Land status

Ownership category Private

Ownership information

  • Type Owner
    Owner Trinchera (Estate)
    First year 1910

Reference information

General comments

Subject category Comment text
Deposit THIN VEINS OF SOFT, OXIDIZED MATTER WITH SOME GOUGE FORMED AT CONTACT BETWEEN INTRUSION AND SEDIMENTARY COUNTRY ROCK.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-MAY-81 Schwochow, Stephen D. Colorado Geological Survey
Updater 01-MAY-83 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.