Agardhfjellet Formation
Geological formation in Svalbard, Norway / From Wikipedia, the free encyclopedia
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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.[1] 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.[2][3]
Quick Facts Type, Unit of ...
Agardhfjellet Formation | |
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Stratigraphic range: Oxfordian-Berriasian ~157.9–141 Ma | |
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 / 78.3; 15.8 |
Approximate paleocoordinates | 69.6°N 16.3°E / 69.6; 16.3 |
Region | Svalbard |
Country | Norway |
Extent | Central Spitsbergen Basin |
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