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  3. Mineral Resource Data System (MRDS)

Little Mattie Lode

Prospect in Las Animas county in Colorado, United States with commodities Gold, Silver, Lead, Copper
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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. Mineral occurrence model information
  9. Host and associated rocks
  10. Nearby scientific data
  11. Geologic structures
  12. Ore body information
  13. Controls for ore emplacement
  14. Economic information about the deposit and operations
  15. Mining district
  16. Land status
  17. Workings at the site
  18. Links to other databases
  19. Bibliographic references
  20. General comments
  21. Reporter information

Geologic information

Identification information

Deposit ID 10011626
MRDS ID D006662
Record type Site
Current site name Little Mattie Lode

Geographic coordinates

Point of reference Pit
Geographic coordinates: -104.96916, 37.36947 (WGS84)
Elevation 3383
Location accuracy 10(meters)
Relative position ONE MILE ESE OF WEST SPANISH PEAK

Site location context

Political divisions (FIPS codes)

Las Animas(county)

Colorado(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Herlick Canyon(quadrangle 1:24,000 scale)

Trinidad(quadrangle 1:100,000 scale)

Trinidad(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Apishapa(hydrologic unit)

Upper Arkansas(hydrologic accounting unit)

Upper Arkansas(hydrologic subregion)

Arkansas-White-Red(hydrologic region)

Federal lands

Pike and San Isabel National Forests(National Forest)

National Forest FS(Type of land area)

FS(Federal land areas administered by FS)

Spanish Peaks Wilderness(Wilderness)

Wilderness FS(Type of land area)

FS(Federal land areas administered by FS)

Geographic areas

Country State County
United States Colorado Las Animas

Public Land Survey System information

Meridian Township Range Section Fraction State
6th Principal 031S 068W 02 Colorado

Comments on the location information

  • ALONG UNNAMED TRIBUTARY OF SOUTH FORK TRUJILLO CREEK. LOCATION FROM CARRAWAY (1899) UNCERTAIN BUT POSSIBLY SW/4 SEC. 2 ; INFO FROM LAND.ST :(1975) (1975)

Commodities

Commodity Importance
Gold Primary
Silver Primary
Lead Primary
Copper Secondary

Materials information

Materials Type of material
Chalcopyrite Ore
Galena Ore
Sphalerite Ore
Tetrahedrite Ore
Calcite Gangue
Quartz Gangue
Siderite Gangue

Analytical data

Result 40-70 % PB
Result 30-100 OZ AG
Result $2 - $10 AU

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 > Syenite
    Stratigraphic age (youngest) Early Permian
    Stratigraphic age (youngest) Early Permian
    Stratigraphic age (youngest) Eocene
  • Host or associated Associated
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite
  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Shale
  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Sandstone
    Rock unit name Huerfano Formation;Cuchara Formation
    Rock description Huerfano Formation;Cuchara Formation
  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Conglomerate

Nearby scientific data

Pit (1) -104.96916, 37.36947
ListMap

Economic information

Geologic structures

Type of structure Regional
Structure description Raton Basin Trough
Type of structure Local
Structure description La Veta Syncline

Ore body information

  • Strike N30W TO N40W; SOME POSSIBLY E-W
    Dip VERTICAL
    Width 0.46M
  • Dip VERTICAL

Controls for ore emplacement

  • Radial Dikes And Fractures In Surrounding Metamorphosed Sediments

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 La Veta District

Land status

Ownership category National Forest

Workings at the site

  • Type of workings Underground
    Length 45.72M

Comments on development

  • 295 X 1496 FT PATENTED CLAIM OPENED BY 150-FT EXPLORATION TUNNEL WITH DRIFTS.

Reference information

Bibliographic references

General comments

Subject category Comment text
Deposit ORE MINERALS CITED ABOVE ARE FROM HILLS (1901). CARRAWAY (1899) SAW 10-12 FT WIDE QUARTZITE VEIN, STRONGLY IMPREGNATED WITH LEAD CARBONATE, AND 4- TO 18-IN.-WIDE GALENA STREAK.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-APR-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.

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.