Usage:
Middle Fork Tongue of Green River Formation (UT)
Geologic age:
Tertiary
Eocene
Type section, locality, area and/or origin of name:
Type section: east wall of canyon of Middle Fork across border between NE/4 sec. 19 and SE/4 sec. 18, T. 10 S., R. 8 E., either in Utah[?] or Wasatch[?] Co., UT (Moussa, 1969).
[Discrepancy in GNU records (USGS DDS-6) concerning whether type section occurs in Utah or Wasatch Co. --unresolved.]
AAPG geologic province:
Wasatch uplift
Uinta 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 ([ ]).