Echo Cliffs (Base of Echo Cliffs Bentonite deposit; Echo Cliffs clay deposit), Cameron area, Cameron District, Coconino Co., Arizona, USA
‡Ref.: Kiersch, G.A. (1955), Mineral resources Navajo-Hopi India reservations, Arizona-Utah, Vol. II, University of Arizona: 31, 34.
Phillips, K.A. (1987), Arizona Industrial Minerals, Arizona Department of Mines & Minerals.
Peirce, H.W. (1990), Arizona Geological Survey Industrial Minerals card file.
Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd. ed.: 132.
An occurrence located at the base of Echo Cliffs, North of Cameron.
Mineralization is bentonite hosted in the Chinle formation.
| Beidellite|| 'Bentonite'|
2 entries listed. 1 valid mineral.
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