Kathy Jo and Irishman's Dream Claims

The Kathy Jo and Irishman's Dream Claims is a uranium mine located in Saguache county, Colorado at an elevation of 8,599 feet.

About the MRDS Data:

All mine locations were obtained from the USGS Mineral Resources Data System. The locations and other information in this database have not been verified for accuracy. It should be assumed that all mines are on private property.

Mine Info

Satelite View

MRDS mine locations are often very general, and in some cases are incorrect. Some mine remains have been covered or removed by modern industrial activity or by development of things like housing. The satellite view offers a quick glimpse as to whether the MRDS location corresponds to visible mine remains.

Site Name

Primary: Kathy Jo and Irishman's Dream Claims
Secondary: East Mine
Secondary: Lost Nueve Mine

Commodity

Primary: Uranium

Location

State: Colorado
County: Saguache
District: Cochetopa (Cochetopa Creek) District

Land Status

Land ownership: BLM Administrative Area
Note: the land ownership field only identifies whether the area the mine is in is generally on public lands like Forest Service or BLM land, or if it is in an area that is generally private property. It does not definitively identify property status, nor does it indicate claim status or whether an area is open to prospecting. Always respect private property.

Holdings

Not available

Workings

Not available

Ownership

Owner Name: Gunnison Mining Co.
Years: 1962 -

Production

Not available

Deposit

Record Type: Site
Operation Category: Past Producer
Operation Type: Unknown
Year First Production: 1954
Year Last Production: 1962
Years of Production:
Organization:
Significant: N
Deposit Size: S

Physiography

General Physiographic Area: Rocky Mountain System
Physiographic Province: Southern Rocky Mountains

Mineral Deposit Model

Not available

Orebody

Not available

Structure

Type: R
Description: San Juan Volcanic Field; Gunnison Uplift

Type: L
Description: Cochetopa Dome; Los Ochos Fault; Razor Creek Dome

Alterations

Not available

Rocks

Name: Mudstone
Role: Host
Age Type: Host Rock
Age Young: Late Jurassic

Analytical Data

Analytical Data: 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

Materials

Ore: Pitchblende
Ore: Uranophane
Gangue: Marcasite

Comments

Comment (Development): DISTRICT MINED PREVIOUSLY FOR AU AND BASE METALS. GUNNISON MINING CO. DISCOVERED URANIUM IN 1954 ALONG LOS OCHOS FAULT.

Comment (Workings): 190-FT INCLINED SHAFT, 265 FT OF DRIFT, 22-FT RAISE, 20-FT WINZE

Comment (Location): ON PROMINENT KNOLL 0.3 MILE ENE OF THORNBURG MINE ; INFO FROM LAND.ST :1976

Comment (Production): SEE THORNBURG MINE FOR COMBINED URANIUM ORE PRODUCTION 1954-62

References

Reference (Deposit): AEC PRELIM. RECON. REPT. DEB-PRR-C-1616

Reference (Deposit): MALAN, R.C., AND RANSPOT, H.W., 1959, GEOLOGY OF THE URANIUM DEPOSITS IN THE COCHETOPA MINING DISTRICT, SAGUACHE AND GUNNISON COUNTIES, COLORADO: ECON. GEOLOGY, V. 54, NO. 1, P. 1-19.

Reference (Deposit): NELSON-MOORE, J.L., COLLINS, D.B., AND HORNBAKER, A.L., 1978, RADIOACTIVE MINERAL OCCURRENCES OF COLORADO AND BIBLIOGRAPHY: COLORADO GEOLOGICAL SURVEY BULL. 40, P. 391-392

Reference (Deposit): OLSON, J.C., AND STEVEN, T.A., 1976, GEOLOGIC MAP OF THE RAZOR CREEK DOME QUADRANGLE, SAGUACHE COUNTY, COLORADO: USGS MAP MF-748

Colorado Mining Photos

Check out this collection of Colorado's best historic mining photos: Incredible Photos of Colorado Mining Scenes.