Usage:
Big Claw Red-Bed Member of Lobster Lake Formation (ME*)
Geologic age:
late Silurian (Ludlow)*
Type section, locality, area and/or origin of name:
On east side of Big Claw arm [east] of northern part of Big Island [approx. Lat. 45 deg. 52 min. 00 sec. N., Long. 69 deg. 30 min. 25 sec. W., Lobster Mountain 7.5-min quadrangle]. Extends southwestward in narrow belt about 5 mi long; exposed on east- and west-central shores of Lobster Lake. Named for Big Claw arm of Lobster Lake, southwest quarter of Ragged Lake 15-min quadrangle [Lobster Mountain Mountain 7.5-min quadrangle] and southeast quarter of North East Carry 15-min quadrangle [Big Spencer Mountain 7.5-min quadrangle], western Piscataquis Co., west-central ME (Boucot, 1961).
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 ([ ]).