Brown Lava Lode

Prospect in Fremont county in Colorado, United States with commodities Uranium, Copper, Thorium, REE
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. Alteration
  9. Mineral occurrence model information
  10. Host and associated rocks
  11. Nearby scientific data
  12. Geologic structures
  13. Ore body information
  14. Controls for ore emplacement
  15. Economic information about the deposit and operations
  16. Mining district
  17. Land status
  18. Links to other databases
  19. Bibliographic references
  20. Reporter information

Geologic information

Identification information

Deposit ID 10013266
MRDS ID D009473
Record type Site
Current site name Brown Lava Lode
Alternate or previous names Pink Lady, Serpant
Related records 10239079

Geographic coordinates

Geographic coordinates: -105.45058, 38.34168 (WGS84)
Elevation 2256
Location accuracy 1000(meters)
Relative position 13.5 MILES S 52 W OF CANON CITY

Site location context

Political divisions (FIPS codes)

Fremont(county)

Colorado(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Iron Mountain(quadrangle 1:24,000 scale)

Canon City(quadrangle 1:100,000 scale)

Pueblo(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Arkansas Headwaters(hydrologic unit)

Upper Arkansas(hydrologic accounting unit)

Upper Arkansas(hydrologic subregion)

Arkansas-White-Red(hydrologic region)

Geographic areas

Country State County
United States Colorado Fremont

Public Land Survey System information

Meridian Township Range Section Fraction State
6th Principal 020S 072W 05 Colorado

Comments on the location information

  • ON DEWEESE PLATEAU ABOUT HALFWAY BETWEEN IRON MOUNTAIN AND MCCLURE MOUNTAIN . DMEA LISTS THIS AS BEING IN T20S, R71W, SECTIONS 17 AND 18; ALSO T20S, R72W, SECTION 13 ; INFO FROM LAND.ST :(1976)

Commodities

Commodity Importance
Uranium Primary
Copper Primary
Thorium Secondary
REE Critical Secondary

Materials information

Materials Type of material
Thorite Ore
Limonite Gangue

Alteration

  • (Local) Limonitic Alteration Occurred In The Syenite
  • (Local) Argillic

Analytical data

Result SAMPLES ASSAYED .019 AND .045 % CU AND .007 AND .027 %

Mineral occurrence model information

Model code 27
USGS model code 11
Deposit model name Alkaline complexes

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Alkalic Intrusive Rock > Nepheline Syenite
    Stratigraphic age (youngest) Late Cambrian
    Stratigraphic age (youngest) Late Cambrian
    Stratigraphic age (youngest) Late Cambrian
  • Host or associated Associated
    Rock type Plutonic Rock > Ultramafic Intrusive Rock > Hornblendite
    Rock unit name Mcclure Mountain Complex
    Rock description Mcclure Mountain Complex
  • Host or associated Host
    Rock type Plutonic Rock > Alkalic Intrusive Rock > Nepheline Syenite
  • Host or associated Host
    Rock type Plutonic Rock > Ultramafic Intrusive Rock > Hornblendite

Nearby scientific data

(1) -105.45058, 38.34168

Economic information

Geologic structures

Type of structure Regional
Structure description Deweese Plateau, Wet Mountains
Type of structure Local
Structure description Ilse Fault, Other Major Nw-Trending Faults

Ore body information

  • Strike N 80 W
    Dip 80 S
    Width 0.61M

Controls for ore emplacement

  • fracture zone

Comments on the geologic information

  • THE SYENITIC HOST HAS BEEN FRACTURED AND WEATHERED TO A BROWN EARTHY MASS. MINERALIZATION OCCURS IN THE FRACTURE ZONES

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 Mcclure Mountain, Iron Mountain Area

Land status

Ownership category Private

Comments on the workings information

  • TWO SHALLOW SHAFTS, SHALLOW PROSPECT PIT

Comments on development

  • THERE ARE TWO SHALLOW SHAFTS ON THE PROPERTY AND A SHALLOW PROSPECT PIT.

Reference information

Bibliographic references

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUL-1982 Collins, Donna B. Colorado Geological Survey

Beyond USGS

Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.

External references

Authoritative Colorado resources

These are landing pages for further research — the state agencies don't currently expose per-mine deep links.