Usage:
Amoret Limestone Member of Altamont Formation of Marmaton Group (IA*,MO*)
Amoret Limestone Member of Altamont Limestone of Marmaton Group (KS*)
Amoret Limestone Bed of Altamont Limestone Member of Oologah Formation of Marmaton Group (OK*)
Amoret Limestone Member of Altamont Formation of /Appanoose subgroup [informal] of Marmaton Group (MO)
["Subgroup" not recognized as a formal stratigraphic rank term (CSN, 1933; ACSN, 1961, 1970; NACSN, 1983, 2005, 2021). Appanoose subgroup considered informal and should not be capitalized.]
Geologic age:
Middle Pennsylvanian (Desmoinesian)*
Type section, locality, area and/or origin of name:
Type locality: 2 mi south of Amoret, in SW/4 sec. 33, T. 40 N., R. 33 W., Bates Co., western MO (Greene and Searight, 1949; Cline and Greene, 1950).
AAPG geologic province:
Forest City basin*
Lincoln anticline*
Iowa shelf*
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 ([ ]).