Kathy Jo and Irishman's Dream Claims

Past Producer in Saguache 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. Host and associated rocks
  9. Nearby scientific data
  10. Geologic structures
  11. Controls for ore emplacement
  12. Economic information about the deposit and operations
  13. Mining district
  14. Land status
  15. Ownership information
  16. Links to other databases
  17. Bibliographic references
  18. Reporter information

Geologic information

Identification information

Deposit ID 10101790
MRDS ID D009288
Record type Site
Current site name Kathy Jo and Irishman's Dream Claims
Alternate or previous names East Mine, Lost Nueve Mine
Related records 10239994

Geographic coordinates

Geographic coordinates: -106.7345, 38.37028 (WGS84)
Elevation 2621
Relative position 15.7 MILES S 39 E FROM GUNNISON

Site location context

Political divisions (FIPS codes)

Saguache(county)

Colorado(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Razor Creek Dome(quadrangle 1:24,000 scale)

Saguache(quadrangle 1:100,000 scale)

Montrose(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Tomichi(hydrologic unit)

Gunnison(hydrologic accounting unit)

Gunnison(hydrologic subregion)

Upper Colorado(hydrologic region)

Geographic areas

Country State County
United States Colorado Saguache

Public Land Survey System information

Meridian Township Range Section Fraction State
New Mexico 047N 002E 03 NE OF NW (03); NW OF NE (03) Colorado

Comments on the location information

  • ON PROMINENT KNOLL 0.3 MILE ENE OF THORNBURG MINE ; INFO FROM LAND.ST :1976

Commodities

Commodity Importance
Uranium Primary

Materials information

Materials Type of material
Pitchblende Ore
Uranophane Ore
Marcasite Gangue

Analytical data

Result RADIOMETRIC AND CHEMICAL ASSAYS (RESPECTIVELY) OF FOUR SAMPLES GAVE 0.05 AND 0.05% U3O8, 0.10 AND 0.13% U3O8, 0.201 AND 0.236% U3O8, 0.448 AND 0.47% U3O8. BACKGROUND RADIATION 0.04 MR/HR, MAXIMUM 0.38 MR/HR

Host and associated rocks

  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Mudstone
    Stratigraphic age (youngest) Late Jurassic
  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Sandstone
    Rock unit name Morrison Formation;Metasedimentary Rocks
    Rock description Morrison Formation;Metasedimentary Rocks

Nearby scientific data

(1) -106.7345, 38.37028

Economic information

Geologic structures

Type of structure Regional
Structure description San Juan Volcanic Field; Gunnison Uplift
Type of structure Local
Structure description Cochetopa Dome; Los Ochos Fault; Razor Creek Dome

Controls for ore emplacement

  • Silicification, Fracturing, Brecciation Of Sedimentary Rocks Along Los Ochos And Related Faults

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No
Year of first production 1954
Year of last production 1962

Mining district

District name Cochetopa (Cochetopa Creek) District

Land status

Ownership category BLM Administrative Area

Ownership information

  • Type Owner-Operator
    Owner Gunnison Mining Co.
    First year 1962

Comments on the production information

  • SEE THORNBURG MINE FOR COMBINED URANIUM ORE PRODUCTION 1954-62

Comments on the workings information

  • 190-FT INCLINED SHAFT, 265 FT OF DRIFT, 22-FT RAISE, 20-FT WINZE

Comments on development

  • DISTRICT MINED PREVIOUSLY FOR AU AND BASE METALS. GUNNISON MINING CO. DISCOVERED URANIUM IN 1954 ALONG LOS OCHOS FAULT.

Reference information

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUN-1982 Schwochow, Stephen D. Colorado Geological Survey

Beyond USGS

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

Authoritative Colorado resources

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