Usage:
Canoe Formation of Big Bend Park Group (TX)
Subunits:
Big Yellow Sandstone Member (TX).
Geologic age:
Eocene
Type section, locality, area and/or origin of name:
Northeast of abandoned rock crusher on southern edge of Tornillo Flat, Big Bend National Park, Brewster Co., southwestern TX. Named from Canoe Valley, where its basal unit is folded into a canoe-shaped syncline (Maxwell and Hazzard, 1967).
AAPG geologic province:
Permian 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 ([ ]).