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  3. Mineral Resource Data System (MRDS)

Penley No.1 Lease

Occurrence in Douglas county in Colorado, United States with commodity Uranium
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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. Alteration
  9. Host and associated rocks
  10. Nearby scientific data
  11. Geologic structures
  12. Economic information about the deposit and operations
  13. Mining district
  14. Land status
  15. Workings at the site
  16. Links to other databases
  17. Bibliographic references
  18. General comments
  19. Reporter information

Geologic information

Identification information

Deposit ID 10013840
MRDS ID D010365
Record type Site
Current site name Penley No.1 Lease
Related records 10118637

Geographic coordinates

Geographic coordinates: -105.03196, 39.39389 (WGS84)
Elevation 1951
Relative position 9.0 MILES N 81 W FROM CASTLE ROCK

Site location context

Political divisions (FIPS codes)

Douglas(county)

Colorado(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Kassler(quadrangle 1:24,000 scale)

Bailey(quadrangle 1:100,000 scale)

Denver(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Upper South Platte(hydrologic unit)

South Platte(hydrologic accounting unit)

South Platte(hydrologic subregion)

Missouri(hydrologic region)

Geographic areas

Country State County
United States Colorado Douglas

Public Land Survey System information

Meridian Township Range Section Fraction State
6th Principal 007S 068W 32 SW Colorado

Comments on the location information

  • 0.5 TO 1.0 MILE NORTH OF JARRE CANYON ; INFO FROM LAND.ST :(1976)

Commodities

Commodity Importance
Uranium Primary

Materials information

Materials Type of material
Carnotite Ore

Alteration

  • (Local) Granite Is Described As Being Altered And Radioactive

Analytical data

Result BACKGROUND RADIATION-0.017 MR/HR
Result RANGE OF RADIOACTIVITY-0.017 TO 1.0 MR/HR

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Pegmatite
    Stratigraphic age (youngest) Neoproterozoic
    Stratigraphic age (youngest) Neoproterozoic
  • Host or associated Associated
    Rock type Plutonic Rock > Granitoid > Granite
    Rock unit name Pikes Peak Granite
    Rock description Pikes Peak Granite
  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Sandstone
  • Host or associated Host
    Rock type Plutonic Rock > Granitoid > Granite
    Rock unit name Granite Gneiss And Migmatite;Fountain Formation
    Rock description Granite Gneiss And Migmatite;Fountain Formation

Nearby scientific data

(1) -105.03196, 39.39389
ListMap

Economic information

Geologic structures

Type of structure Regional
Structure description Front Range Uplift, Pikes Peak Batholith
Type of structure Local
Structure description Perry Park-Jarre Canyon Fault

Comments on the geologic information

  • RADIOACTIVITY ALSO OCCURS IN THE SHEAR ZONE BETWEEN THE ROCK TYPES

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Deposit size Small
Significant No

Mining district

District name Kassler Area

Land status

Ownership category Private

Workings at the site

  • Type of workings Surface/Underground
    Overall depth 36.58M

Comments on the workings information

  • 120-FT SHAFT; TEST PITS

Comments on development

  • ONE 120 FT SHAFT WAS SUNK. FOUR TEST PITS AND SIX HOLES WERE DRILLED

Reference information

General comments

Subject category Comment text
Deposit MINERALIZATION FOUND IN ALTERED GRANITE IN PERRY PARK-JARRE CANYON FAULT ZONE

Reporter information

Type Date Name Affiliation Comment
Reporter 01-FEB-1983 Banke, Carl M. 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.