Beekmantown Group
| Beekmantown Group Stratigraphic range: Lower Ordovician–Middle Ordovician[1] | |
|---|---|
| Type | Group |
| Overlies | Potsdam Sandstone |
| Lithology | |
| Primary | Dolomitic sandstones and carbonates |
| Location | |
| Region | Eastern North America |
| Country | United States, Canada |
The Beekmantown Group is a lower–middle Ordovician geologic group that occurs in the eastern United States,[2] datable from its conodont fauna. It contains dolomitic sandstones and carbonates from just off land from the palaeocoastline.[1]
See also
References
- 1 2 Salad Hersi, Osman (2012). "Biostratigraphic Constraints on Chronostratigraphic Intraformational Relationships within the Lower–Middle Ordovician Beekmantown Group, Laurentian Margin: Eastern Ontario and Southwestern Quebec, Canada". AAPG Memoir. 98: 559–574. doi:10.1306/13331507M983506.
- ↑ Hersi, O. S.; Lavoie, D.; Nowlan, G. S. (2003). "Reappraisal of the Beekmantown Group sedimentology and stratigraphy, Montréal area, southwestern Quebec: Implications for understanding the depositional evolution of the Lower-Middle Ordovician Laurentian passive margin of eastern Canada". Canadian Journal of Earth Sciences. 40 (2): 149. doi:10.1139/e02-077.
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