Inwood Formation | |
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Stratigraphic range: Telychian ~436–433 Ma PreꞒ Ꞓ O S D C P T J K Pg N ↓ | |
Type | Formation |
Unit of | Interlake Group |
Lithology | |
Primary | Dolomite |
Other | Halite, siltstone |
Location | |
Coordinates | 53°12′N 99°18′W / 53.2°N 99.3°W / 53.2; -99.3 |
Approximate paleocoordinates | 10°00′S 51°24′W / 10.0°S 51.4°W / -10.0; -51.4 |
Region | Manitoba |
Country | Canada |
Inwood Formation, Manitoba (Canada)Show map of CanadaInwood Formation, Manitoba (Manitoba)Show map of Manitoba |
The Inwood Formation is a geologic formation in Manitoba. The silty and salty dolomites preserve fossils dating back to the Telychian stage of the Silurian period.
Fossil content
The following fossils have been reported from the formation:
Trilobites
Ostracods
Strophomenata
Rhynchonellata
Gastropods
Cephalopods
Stromatoporoidea
Corals
- Amplexoides severnensis
- Asthenophyllum inwoodense
- Favosites cf. niagarensis
- Halysites catenularia
- Neozaphrentis tyrrelli
- Paleofavosites poulseni
- P. transiens
See also
References
- ^ Inwood Formation at Fossilworks.org
- ^ Stearn, 1956
Bibliography
- Stearn, C. W (1956), "Stratigraphy and palaeontology of the Interlake Group and Stonewall Formation of Southern Manitoba", Geological Survey of Canada Memoir, 281: 1–16