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

Mamarth Claim

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 10011661
MRDS ID D006729
Record type Site
Current site name Mamarth Claim

Geographic coordinates

Point of reference Pit
Geographic coordinates: -105.26973, 37.63224 (WGS84)
Elevation 3182
Location accuracy 50(meters)
Relative position 5.3 MILES N 11 E OF RUSSELL

Site location context

Political divisions (FIPS codes)

Costilla(county)

Colorado(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Red Wing(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 070W 07 SW OF NW 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 CLAIM LIES ON DIVIDE BETWEEN GRAYBACK CREEK AND STEARNS GULCH 1.05 MILES NNW OF GRAYBACK MTN. ; INFO FROM LAND.ST :(1975)

Commodities

Commodity Importance
Gold Primary
Silver Secondary

Mineral occurrence model information

Model code 85
USGS model code 22c
Deposit model name Polymetallic veins
Mark3 model number 46

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
  • Host or associated Host
    Rock type Plutonic Rock > Granitoid > Monzonite
    Rock unit name Minturn Formation
    Rock description Minturn Formation

Nearby scientific data

Pit (1) Middle Tertiary intrusive rocks
ListMap

Economic information

Geologic structures

Type of structure Local
Structure name fissure veins in thin monzonite intrusitons
Structure description Vega Cr. Anticline, Wagon Mesa Fault
Type of structure Regional
Structure description Sierra Blanca Massif, Ft. Garland Embayment

Economic information about the deposit and operations

Operation type Surface
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

Comments on the workings information

  • PROSPECT PIT

Reference information

General comments

Subject category Comment text
Deposit LOW-GRADE MINERALIZATION PROBABLY ASSOCIATED WITH NARROW STEEPLY INCLINED FISSURES WITHIN MONZONITE INTRUSION

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.

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.