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National Geologic Map Database

Geologic Unit: Chapman

Usage:

Chapman Sandstone of Dockendorff Group (ME*)


Geologic age:

Early Devonian*


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

Along east bank of south branch of Presque Isle Brook, about 1 mi from south line of Chapman Twp. and about 1 mi west of Tweedy on road running southwest from Presque Isle, Aroostook Co., northern ME (Williams, 1900).


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 ([ ]).