Usage:
Sylamore Sandstone (AR,MO,OK)
Sylamore Sandstone Member of New Albany Shale of Knobs Group (IL-southern part)
Sylamore Sandstone Member of New Albany Shale (IL-northern part)
Sylamore Sandstone Member of Chattanooga Formation (AR,OK)
Sylamore Sandstone Member of Chattanooga Shale (AR*,OK*)
Geologic age:
Middle to Late Devonian*
Type section, locality, area and/or origin of name:
Sylamore Creek, Stone Co., AR (Penrose, 1891).
AAPG geologic province:
Arkoma basin*
Illinois basin
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 ([ ]).