Usage:
Fivemile Brook formation [informal] (ME)
Considered informal until formally published. The rank or lithologic term should not be capitalized.
Subunits:
Informal greenstone member
Geologic age:
late Silurian (Ludlow)
Type section, locality, area and/or origin of name:
Type section: section along Fivemile Brook beginning 70 m (200 ft) downstream from the Estcourt Road bridge, including fossil locality F-275 of Boudette and others (1976), Seven Islands 15-min quadrangle, Aroostook Co., ME (Roy, 1980).
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 ([ ]).