Usage:
Rondout Formation (NJ*,NY*,PA*)
Rondout Limestone (NJ*,NY*,PA)
Rondout Dolomite (NY)
Rondout Group (NY)
Subunits:
GROUP STATUS (alphabetical) --all in NY: Glasco Limestone, Rosendale Dolomite, Whiteport Dolomite.
FORMATION STATUS (alphabetical): Glasco Member (NY*), Mashipacong Member (NJ*,NY*,PA*), Orrs Mills Member (NY), Rosendale Dolomite Member (NY) or Rosendale Member (NY*), Whiteport Dolomite Member (NY*,NJ*,PA*) or Whiteport Member (NY*,NJ*,PA*).
Geologic age:
late Silurian to Early Devonian*
Type section, locality, area and/or origin of name:
Type area: cement quarries at and near Rondout Co. [line?], southeastern NY (Clarke and Schuchert, 1899).
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 ([ ]).