Usage:
Bush Bay Dolostone of Engadine Group (MI)
Subunits:
Prentiss Creek, Swede Road, and McKay Bay Members.
Geologic age:
Silurian (Llandovery to Ludlow)
Type section, locality, area and/or origin of name:
Type area: comprises type localities of its members, in eastern half of Mackinac Co., MI. Named from Bush Bay, which opens into Lake Huron southeast of Cedarville (Johnson and others, 1979).
AAPG geologic province:
Michigan 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 ([ ]).