Isachsen Formation
The Isachsen Formation is a geologic formation in Nunavut. It preserves fossils of Polycotylidae indet., dating back to the Aptian stage of the Cretaceous period.
| Isachsen Formation | |
|---|---|
| Stratigraphic range: Aptian ~ | |
| Type | Formation |
| Sub-units | Walker Island member |
| Overlies | Christopher Formation |
| Location | |
| Coordinates | 76.1°N 109.0°W |
| Approximate paleocoordinates | 71.5°N 20.5°W |
| Region | Nunavut |
| Country | Canada |
Isachsen Formation (Canada) Isachsen Formation (Nunavut) | |
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