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Geologic Units: Bush Bay
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  • Usage in publication:
    • Bush Bay Dolostone
  • Modifications:
    • Named
  • Dominant lithology:
    • Dolostone
  • AAPG geologic province:
    • Michigan basin
Publication:

Johnson, A.M., Kesling, R.V., Lilienthal, R.T., and Sorensen, H.O., 1979, The Maple Block knoll reef in the Bush Bay Dolostone (Silurian, Engadine Group), Northern Peninsula of Michigan: University of Michigan, Museum of Paleontology Papers on Paleontology, no. 20, 33 p.


Summary:

Bush Bay Dolostone here named and assigned to Engadine Group. Consists of gray, buff, and white dolostone. Contains organic reefs and interreefal facies. Includes newly named Prentiss Creek, Swede Road, and McKay Bay Members. Overlies Rapson Creek Dolostone of Engadine Group; lies at surface or unconformably(?) underlies Pointe aux Chenes Formation of Salina Group. Thickness is 38 m at type section. Age is Middle Silurian (Niagaran).

Source: GNU records (USGS DDS-6; Reston GNULEX).


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 ([ ]).

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