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Usage:
Copake Formation of Wappinger Group (NY)
Copake Limestone (NY*)
Geologic age:
Early Ordovician*
Type section, locality, area and/or origin of name:
Type section: on southern end of Tom Hill, northeast of Copake, Columbia Co., southeastern NY. Upper part of section is well exposed in small quarry near junction of Route 22 and road leading to town; base of section is in a series of small cliffs about 500 ft west of main quarry (Knopf, 1927; Weaver, 1957).
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 ([ ]).