Jomac Mine, White Canyon, White Canyon District, San Juan Co., Utah, USA
|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.
45 valid minerals. 3 (TL) - type locality of valid minerals.
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
247.2 - 252.17 Ma
Age: Early Triassic (247.2 - 252.17 Ma)
Stratigraphic Name: Moenkopi Formation
Comments: fluvial, mudflat, sabkha, shallow marine; redbeds
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. 
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.