Usage:
Tristates Group (NY)
Subunits:
(alphabetical): Bois Blanc Limestone, Carlisle Center Formation (or Shale), Connelly Conglomerate, Esopus Shale, Glenerie Formation, Oriskany Sandstone, Port Jervis Limestone, Rickard Hill Formation, Saugerties Formation, Schoharie Formation, Springvale Sandstone.
Geologic age:
Early Devonian
Type section, locality, area and/or origin of name:
Not synopsized to date. [See US geologic names lexicon, USGS Bull. 1520]
AAPG geologic province:
Appalachian 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 ([ ]).