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Monument No. 1 Mine, Monument No. 1 channel, Mystery Valley, Monument Valley, Navajo Indian Reservation, Navajo Co., Arizona, USA

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Latitude & Longitude (WGS84): 36° 57' 0'' North , 110° 13' 51'' West
Latitude & Longitude (decimal): 36.95, -110.230833333

A U-V mine located in the NE¼ sec. 24, T.41N., R.19E. (Agathla Peak 15 minute topo map), in the Monument No. 1 channel (paleochannel). Started in 1942 and worked intermittently until 1950. Reopened 1954.

Mineralization is in the channel that trends N.10ºW. and is some 250 feet wide and 50 feet deep. It is filled with medium-grained, massive sandstone.

Mineral List

25 valid minerals.

The above list contains all mineral locality references listed on 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 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.


Evensen, C.G. & I.B. Gray (1958), Evaluation of uranium ore guides, Monument Valley, Arizona and Utah, Economic Geology: 53: 639-662.

Holland, H.D., et al (1958), The use of leachable uranium in geochemical prospecting on the Colorado Plateau-II, The distribution of leachable uranium in surface samples in the vicinity of ore bodies, Economic Geology: 53: 190-209.

Galbraith, F.W. & D.J. Brennan (1959), Minerals of Arizona: 35, 71, 75, 77, 78.

Witkind, I.J. (1961), The uranium-vanadium ore deposit at the Monument No. 1-Mitten No. 2 mine, Monument Valley, Navajo County, Arizona, USGS Bull. 1107-C: 219-242.

Witkind, I.J. & R.E. Thaden (1963), Geology and uranium-vanadium deposits of the Monument Valley area, Apache and Navajo Counties, Arizona, USGS Bull. 1103: 68-69, 73 & 75 (Table 1), 80, 129-136.

Niemuth, N.J. & K.A. Phillips (1992), Copper Oxide Resources, Arizona Department of Mines & Mineral Resources Open File Report 92-10: 11 (Table 1).

Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd. ed.: 124, 150, 155, 181, 189, 250, 262, 296, 352, 357, 361, 399, 405, 407, 415, 431.

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