| Georgian Bay Formation | |
|---|---|
| Stratigraphic range: Upper Ordovician (upper Maysvillian-lower Richmondian)[1] | |
| Type | Formation |
| Underlies | |
| Overlies | Blue Mountain Formation[2] |
| Location | |
| Region |  Michigan,  Ontario |
| Country |  United States,  Canada |
The Georgian Bay Formation is a geologic formation in Michigan and Ontario. It preserves fossils dating back to the Ordovician period. The type locality of the formation is on East Meaford Creek (previously called Workman Creek), south shore of Nottawasaga Bay, Georgian Bay.[2]
- ^ Cite error: The named reference
:0was invoked but never defined (see the help page). - ^ a b Zhang, Shunxin; Tarrant, Glen A.; Barnes, Christopher R. (November 2011). "Upper Ordovician conodont biostratigraphy and the age of the Collingwood Member, southern Ontario, Canada1Earth Science Sector (ESS) Contribution 20100302". Canadian Journal of Earth Sciences. 48 (11): 1497–1522. doi:10.1139/e11-047. ISSN 0008-4077.
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