Tosi, Rock and Lime Creeks

The Tosi, Rock and Lime Creeks is a uranium and phosphorus-phosphates mine located in Sublette county, Wyoming.

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: Tosi, Rock and Lime Creeks
Secondary: Section 56
Secondary: Section 64
Secondary: Section 65
Secondary: Reserve Blocks V and Vi
Secondary: Tosi Creek
Secondary: Lot No. 1333
Secondary: Tosi Creek Area
Secondary: Tasi Creek Area

Commodity

Primary: Uranium
Primary: Phosphorus-Phosphates

Location

State: Wyoming
County: Sublette

Land Status

Land ownership: National Forest
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.
Administrative Organization: Bridger National Forest

Holdings

Not available

Workings

Not available

Ownership

Not available

Production

Not available

Deposit

Record Type: Site
Operation Category: Occurrence
Operation Type: Surface
Years of Production:
Organization:
Significant: N
Deposit Size: S

Physiography

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

Mineral Deposit Model

Not available

Orebody

Form: BLANKET

Structure

Type: L
Description: Nw Trending Anticline

Alterations

Not available

Rocks

Name: Phosphorite
Role: Host
Age Type: Host Rock
Age Young: Late Permian

Analytical Data

Analytical Data: AVERAGE P205 CONTENT 22.2% (1911)

Materials

Not available

Comments

Comment (Location): ALSO SECS. 15, 21, R110W, T38N.

Comment (General): Several sections (Tosi, Rock, and Lime Creek) were all lumped together in one record. ABWilson separated them.

References

Reference (Deposit): MINOBRAS, 1976, Uranium Guidebook for Wyoming, 63 p. and appendix.
Pages: p. A-19.

Reference (Deposit): KIVI, W. J., 1940, THE STRATIGRAPHY OF THE PHOSPHORIA FORMATION OF WESTERN WYOMING WITH NOTES ON THE OCCURRENCE OF PHOSPHATE. UNIVERSITY OF WYOMING UNPUBLISHED M.A. THESIS

Reference (Deposit): Sheldon, 1963, USGS PP 313-B, p. 55, #56, p. 200-203.
Pages: p. 55, #56, p. 200-203.

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