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Jomac Mine, White Canyon, White Canyon District, San Juan Co., Utah, USA

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Latitude & Longitude (WGS84): 37° 51' 42'' North , 110° 19' 9'' West
Latitude & Longitude (decimal): 37.8619118611, -110.319385529


A former U occurrence/mine located in T33S, R14E, SLM.

Mineralization is a U deposit and includes quartz sandstone with petrified wood and coalized wood, clays and uranium ores. The mine lies within the boundaries of the Glen Canyon National Recreational Area and was reclaimed in 1992. Mineral collecting has not been allowed since then.

Mineral List


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

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

Early Triassic
247.2 - 252.17 Ma
Moenkopi Formation

Age: Early Triassic (247.2 - 252.17 Ma)

Stratigraphic Name: Moenkopi Formation

Comments: fluvial, mudflat, sabkha, shallow marine; redbeds

Lithology: Major:{sandstone mudstone}, Minor:{limestone}, Incidental:{gypsum, 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

Trites, Jr., Albert F. and Hadd, George A. (1958), Geology of the Jomac Mine, White Canyon Area, San Juan County, Utah, USGS Bulletin 1046H.

American Mineralogist (1966): 51: 651-663.

Kokinos, M. and Wise, W.S. (1993), Minerals and Mineral Localities of Utah, Utah Geological and Mineral Survey Bulletin 117.

Canadian Mineralogist (1998): 36: 1077-1081.

Mineralogical Record (1999): 30: 231-238.

Haynes, P.E. (2000), Mineralogy of the Jomac Mine San Juan County, Utah, Rocks and Minerals: 75: 240-248.

Canadian Mineralogist (2001): 39(6): 1685-1689.

Mineral News: 14(10): 4, 7.

Mineral News: 16: 1.

Mineral and/or Locality  
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