Usage:
Magothy Formation (DE*,DC*,MD*,MA*,NJ*,NY*,PA*)
Subunits:
South Amboy Fire Clay Member (NJ*), Old Bridge Sand Member (NJ*), Amboy Stoneware Clay Member (NJ*), informal Cliffwood and Morgan beds (NJ)
Geologic age:
Late Cretaceous (Santonian)*
Type section, locality, area and/or origin of name:
Type area: exposures along Magothy River, Anne Arundel Co., MD (Darton, 1893).
AAPG geologic province:
Atlantic Coast basin*
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 ([ ]).