Usage:
No current usage.
(†Myrtis Sand Member of Queen City Formation of Claiborne Group (LA-recognized locally in Caddo Parish) considered abandoned. Sediments reallocated to Cane River Formation. See Cane River.)
Geologic age:
early Tertiary (middle Eocene)
Type section, locality, area and/or origin of name:
Named from exposures in deep roadcuts along Vivian-Atlanta Road in SE/4 sec. 3 and NW/4 sec. 10, T. 22 N., R. 16 W., 1.5 mi west of town of Myrtis and 3 mi northwest of Vivian in northwest Caddo Parish, northwestern LA (Smith, 1958).
AAPG geologic province:
Arkla 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 ([ ]).