Lightning 2

Past Producer in Fremont county in Colorado, United States with commodity Uranium
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. 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. Production statistics
  18. Links to other databases
  19. Bibliographic references
  20. Reporter information

Geologic information

Identification information

Deposit ID 10013263
MRDS ID D009465
Record type Site
Current site name Lightning 2
Alternate or previous names Dac Uranium, Lightning No. 1-8, Honest John No. 1-15, Lightning Group
Related records 10190671

Geographic coordinates

Geographic coordinates: -105.72391, 38.33334 (WGS84)
Elevation 2195
Relative position 3.3 MILES S 36 W OF COTOPAXI

Site location context

Political divisions (FIPS codes)

Fremont(county)

Colorado(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Cotopaxi(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)

Federal lands

Bureau of Land Management(Bureau of Land Management CO)

Bureau of Land Management CO BLM(Type of land area)

BLM(Federal land areas administered by BLM)

Geographic areas

Country State County
United States Colorado Fremont

Public Land Survey System information

Meridian Township Range Section Fraction State
New Mexico 047N 011E 11,14 S2 OF SW (11); N2 OF NW (14) Colorado

Comments on the location information

  • UNSURVEYED; BETWEEN SAND GULCH AND COTTONWOOD CREEK ; INFO FROM LAND.ST :(1976)

Commodities

Commodity Importance
Uranium Primary

Materials information

Materials Type of material
Autunite Ore
Uraninite Ore
Kaolinite Gangue
Hematite Gangue
Limonite Gangue

Alteration

  • (Local) Kaolinization

Analytical data

Result RADIOACTIVITY TO 100 TIMES BACKGROUND
Result 0.10 TO 0.177 % EU308

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite
    Rock unit name Granodiorite Of Boulder Creek Age
    Rock description Granodiorite Of Boulder Creek Age
    Stratigraphic age (youngest) Paleoproterozoic
    Stratigraphic age (oldest) Paleoproterozoic
  • Host or associated Host
    Rock type Metamorphic Rock > Gneiss
    Rock unit name Migmatitic Gneiss
    Rock description Migmatitic Gneiss
    Stratigraphic age (youngest) Paleoproterozoic
    Stratigraphic age (oldest) Paleoproterozoic

Nearby scientific data

(1) -105.72391, 38.33334

Economic information

Geologic structures

Type of structure Regional
Structure description Sangre De Cristo Range
Type of structure Local
Structure description Shear Zone Localized Ore, But Deposit Occurs Near Terminations Of Two Large Fault Zones: One On East Flank Of Sangre De Cristo Mtns (Trends Nw), One Trending North, North Of Cotopaxi (Cotopaxi Fault); Numerous Small Cross Faults; Between Alvarado Fault, Pleasant Valley Fault; Near Trend Of Oak Creek Paleovalley Of Oligocene To Miocene Age

Ore body information

  • General form fissure vein, pipe, stockwork
    Depth to top 40M

Controls for ore emplacement

  • Shear Zone Localized Vein Filling

Economic information about the deposit and operations

Operation type Surface-Underground
Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No

Mining district

District name Cottonwood Creek Area

Land status

Ownership category BLM Administrative Area

Production statistics

  • Year 1956
    Material ORE U3O8
    Accuracy Accurate
    Description Ap_Grade: ^0.09 % U308
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major U3O8 Ore Uranium Uranium 0wt-pct

Comments on the workings information

  • 49 NON-CORE HOLES TOTALLING 3180 FT DRILLED, ONE 120-FT CORE HOLE DRILLED, BULLDOZER CUTS, ADIT

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.