- Usage in publication:
-
- Forest Grove formation
- Modifications:
-
- Named
- Dominant lithology:
-
- Sandstone
- Shale
- AAPG geologic province:
-
- Black Warrior basin
Morse, W.C., 1928, Paleozoic rocks of Mississippi: Journal of Geology, v. 36, no. 1, p. 31-43.
Summary:
Forest Grove formation is top unit of Chester series in Tishomingo Co., MS, and northwest AL. Consists of Highland Church sandstone member, 25 ft thick at top, underlain by about 90 ft of shale and sandstone that is nowhere completely exposed. May include clay, sandy shales, and shaly sandstones. Contains Chester fossils. Overlies Southward Bridge formation. Age is Mississippian.
Source: GNU records (USGS DDS-6; Reston GNULEX).
- Usage in publication:
-
- Forest Grove
- Modifications:
-
- Not used
- AAPG geologic province:
-
- Black Warrior basin
Summary:
Forest Grove Formation of Morse (1928) not used. Upper shaly intervals of Green Hill Member of Pride Mountain Formation used here as equivalent to lower portions of Forest Grove.
Source: GNU records (USGS DDS-6; Reston GNULEX).
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 ([ ]).