Daggett Ridge Formation (ME*)
Daggett Ridge Formation of Prentiss group [informal] (ME)
Prentiss group considered informal until formally published. The rank or lithologic term should not be capitalized.
Late Ordovician and Silurian*
Type locality: along and south of Maine Central RR. Named from Daggett Ridge where best exposed, Danforth quadrangle, Washington Co., east-central ME (Larrabee, 1963).
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 ([ ]).