TangeiteMonument No. 1 Mine, Monument No. 1 channel, Mystery Valley, Monument Valley, Navajo Indian Reservation, Navajo Co., Arizona, USA
Photo: Peter Haas Latitude: 36°57'0"N
Longitude: 110°13'51"W
‡Ref.: 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.
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
29 entries listed. 24 valid minerals.
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