Usage:
Thorp Gravel (WA*)
Geologic age:
Quaternary
Pleistocene
Type section, locality, area and/or origin of name:
Till facies: west wall of Horse Canyon, in NW/4 SW/4 sec. 4, T. 19 N., R. 17 E., Kittitas Co., WA. Outwash facies: landslide scarp on north side of Yakima River, 1.5 km east of Thorp, in NE/4 sec. 12, T. 18 N., R. 17 E., Kittitas Co., WA (Porter, 1976).
AAPG geologic province:
Cascades province
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 ([ ]).