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Little Eva Mine, Yellow Cat Mesa, Thompsons District (S. E. Thomsons), Grand Co., Utah, USA

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Latitude & Longitude (WGS84): 38° 50' 17'' North , 109° 31' 35'' West
Latitude & Longitude (decimal): 38.83806,-109.52639
Köppen climate type:BSk : Cold semi-arid (steppe) climate


Commodities (Major) - Uranium; (Minor) - Vanadium
Development Status: Past Producer
Host Rock Unit: Gravel Surfaces
Structure: Salt Valley Anticline
Host Rock: Sandstone, Siltstone
Tectonic Structure: Stable Platform

Mineral List


32 valid minerals. 3 (TL) - type locality of valid minerals.

Rock Types Recorded

Note: this is a very new system on mindat.org and data is currently VERY limited. Please bear with us while we work towards adding this information!

Select Rock List Type

Alphabetical List Tree Diagram

Regional Geology

This geological map and associated information on rock units at or nearby to the coordinates given for this locality is based on relatively small scale geological maps provided by various national Geological Surveys. This does not necessarily represent the complete geology at this locality but it gives a background for the region in which it is found.

Click on geological units on the map for more information. Click here to view full-screen map on Macrostrat.org

Late Jurassic
145 - 163.5 Ma



ID: 2171990
Salt Wash Member of Morrison Formation

Age: Jurassic (145 - 163.5 Ma)

Description: Light-yellow-gray sandstone interbedded with red and gray mudstone and siltstone; sandstone is fine to coarse grained, cross-bedded, and forms medium to thick lenses; mudstone and siltstone form slopes or recesses between sandstone ledges; lower contact at base of first thick sandstone bed above the red or lavender siltstone of the Tidwell Member of the Morrison Formation; locally intertongues with Tidwell siltstones; 40 to 90 meters (130-300 ft) thick; Upper Jurassic.

Reference: Doelling, H.H. Geologic map of the Moab and eastern part of the San Rafael Desert 30x60 Quad. Utah Geological Survey. [30]

Late Jurassic
145 - 163.5 Ma



ID: 2890230
Morrison Formation (Brushy Basin and Salt Wash Members)

Age: Jurassic (145 - 163.5 Ma)

Stratigraphic Name: Brushy Basin Member; Salt Wash Member

Comments: continental environment, braided rivers and streams, overbank mudstones. dinosaur fossils

Lithology: Major:{sandstone mudstone}, Minor:{conglomerate}

Reference: Horton, J.D., C.A. San Juan, and D.B. Stoeser. The State Geologic Map Compilation (SGMC) geodatabase of the conterminous United States. doi: 10.3133/ds1052. U.S. Geological Survey Data Series 1052. [133]

Data and map coding provided by Macrostrat.org, used under Creative Commons Attribution 4.0 License



This page contains all mineral locality references listed on mindat.org. This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database. This locality information is for reference purposes only. You should never attempt to visit any sites listed in mindat.org without first ensuring that you have the permission of the land and/or mineral rights holders for access and that you are aware of all safety precautions necessary.

References

STOKES, W. L., 1952 , URANIUM - VANADIUM DEPOSITS OF THE THOMPSONS AREA GRAND COUNTY, UTAH: UTAH GEOLOGICAL AND MINERAL SURVEY BULL. 46 , 51 P

USGS BULL. 1176, 1964, PL 3

HILPERT'S FILE, USGS

CONSV. DIV. COMP. DATE, 11-02-1970

MC CARTHY, B. M., 1977

Kampf, A.R., Hughes, J.M., Marty, J., Brown, F. (2012) Nashite, IMA 2011-105. CNMNC Newsletter No. 13, June 2012, page 810; Mineralogical Magazine, 76, 807-817.

Kampf, A.R., Hughes, J.M., Marty, J. and Brown, F. H. (2013): Nashite, Na3Ca2[(V4+V5+9)O28]•24H2O, a new mineral species from the Yellow Cat Mining District, Utah and the Slick Rock Mining District, Colorado: Crystal structure and descriptive mineralogy. Canadian Mineralogist, 51, 27-38.

Kasatkin, A.V., Plášil, J., Pekov, I.V., Belakovskiy, D.I., Nestola, F., Čejka, J., Vigasina, M.F., Zorzi, F., Thorne, B. (2015): Karpenkoite, Co3(V2O7)(OH)2·2H2O, a cobalt analogue of martyite from the Little Eva mine, Grand County, Utah, USA. Journal of Geosciences, 60, 251-257.

Mineral and/or Locality  
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