- Usage in publication:
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- Yampai Cliffs Member
- Modifications:
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- Original reference
- Dominant lithology:
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- Limestone
- Clastics
- Dolomite
- AAPG geologic province:
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- Plateau sedimentary province
Summary:
Pg. 1244. Yampai Cliffs Member of Muav Limestone of Tonto Group. Member of Muav at Yampai Cliffs. Author states that a detailed field study of the lithology and stratigraphic relationships of the Yampai Cliffs Member, including 12 stratigraphic sections, was presented in his Ph.D. dissertion. According to Figure 6 in present report, Yampai Cliff[s] Member is subdivided into three units, A, B, and C. Unit A extends from top of Kanab Canyon Member to top of highest typical bed of mottled limestone facies. Unit B consists of mostly fine clastic materials and dolomite. Unit C consists mostly of dolomite at Music Mountain. Age is Middle Cambrian.
Yampai Cliffs are in eastern part of Mohave Co., northwestern AZ.
Source: US geologic names lexicon (USGS Bull. 1350, p. 839).
For more information, please contact Nancy Stamm, Geologic Names Committee Secretary.
Asterisk (*) indicates published by U.S. Geological Survey authors.
"No current usage" (†) implies that a name has been abandoned or has fallen into disuse. Former usage and, if known, replacement name given in parentheses ( ).
Slash (/) indicates name conflicts with nomenclatural guidelines (CSN, 1933; ACSN, 1961, 1970; NACSN, 1983, 2005, 2021). May be explained within brackets ([ ]).