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National Geologic Map Database

Geologic Unit: Coombs

Usage:

Coombs Limestone (ME)
Coombs Limestone Member of Islesboro Formation (ME*)


Geologic age:

Neoproterozoic(?)*


Type section, locality, area and/or origin of name:

Named from exposures near Coombs Point, on northeastern shore of Islesboro, Waldo Co., ME (Smith and others, 1907).


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 ([ ]).