Agardhfjellet Formation
The Agardhfjellet Formation is a geologic formation in Svalbard, Norway. It preserves fossils dating back to the Oxfordian to Berriasian stages, spanning the Late Jurassic-Early Cretaceous boundary. The formation contains the Slottsmøya Member, a highly fossiliferous unit (Lagerstätte) where many ichthyosaur and plesiosaur fossils have been found, as well as abundant and well preserved fossils of invertebrates.
| Agardhfjellet Formation | |
|---|---|
| Stratigraphic range: Oxfordian-Berriasian ~ | |
Geologic map of central Svalbard with the formation in dark blue | |
| Type | Formation |
| Unit of | Adventdalen Group |
| Sub-units | Oppdalsåta & Slottsmøya Members |
| Underlies | Rurikfjellet Formation |
| Overlies | Knorringfjellet Formation |
| Lithology | |
| Primary | Mudstone |
| Other | Dolomite |
| Location | |
| Coordinates | 78.3°N 15.8°E |
| Approximate paleocoordinates | 69.6°N 16.3°E |
| Region | Svalbard |
| Country | Norway |
| Extent | Central Spitsbergen Basin |
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