Scunthorpe Mudstone
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The Scunthorpe Mudstone is a geologic formation in England. It preserves plesiosaur fossils dating back to the Late Triassic (Rhaetian) to Early Jurassic (Hettangian) period.[1] It predominantly consists of grey mudstone with thin beds of argillaceous limestone and calcareous siltstone.[2] The Ichthyosaur Wahlisaurus is known from the formation.[3] As is the holotype specimen of the dinosaur Sarcosaurus.[4]
Quick Facts Type, Unit of ...
Scunthorpe Mudstone | |
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Stratigraphic range: Rhaetian-Hettangian ~205–196.5 Ma | |
Type | Formation |
Unit of | Lias Group |
Sub-units | Barnstone Member |
Underlies | Charmouth Mudstone Formation |
Overlies | Lilstock Formation |
Thickness | Up to 128 m |
Lithology | |
Primary | Mudstone |
Other | Limestone, Siltstone |
Location | |
Coordinates | 52.9°N 1.0°W / 52.9; -1.0 |
Approximate paleocoordinates | 38.0°N 1.3°E / 38.0; 1.3 |
Region | England |
Country | United Kingdom |
Extent | East Midlands Shelf Leicester to Market Weighton |
Type section | |
Named for | Scunthorpe |
Location | Blyborough Borehole, Blyborough, Lincolnshire |
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