Usage:
North Plain lithofacies (informal) in Hadlyme Formation (CT)
Informal. The rank or lithologic term should not be capitalized.
Geologic age:
Neoproterozoic
Type section, locality, area and/or origin of name:
Named from North Plain, CT, the only locality lying entirely within the facies, though poorly exposed there. Representative exposures at Brush Hill-Mitchell Road, Deep River quadrangle (Wintsch and others, 1990).
AAPG geologic province:
New England 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 ([ ]).