TangeiteMonument No. 1 Annex Mine, Monument No. 1 channel, Mystery Valley, Monument Valley, Navajo Indian Reservation, Navajo Co., Arizona, USA
Photo: 2005 M. Kampf ‡Ref.: Witkind, I.J. & R.E. Thaden (1963), Geology and uranium-vanadium deposits of the Monument Valley area, Apache and Navajo Counties, Arizona: 129, 135.
A uranium mine. Started in the early 1950's.
Mineralization is a weakly mineralized mass of the Shinarump member of the Chinle formation about 150 feet long by 50 feet wide. Mineralization is essentially the same as in the Monument No. 1 mine; however, only specific species attributed to this mine are listed.
Mineral List
4 entries listed. 3 valid minerals.
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