The Lealt Shale Formation is a Middle Jurassic geologic formation in Scotland. Fossil ornithopod, theropod and stegosaur tracks, a theropod dinosaur tooth and the pterosaur Dearc have been reported from the formation.[1][2][3] The lithology consists of silty fissile mudstones with subordinate thin limestones.[4]
Lealt Shale Formation | |
---|---|
Stratigraphic range: | |
Type | Geological formation |
Unit of | Great Estuarine Group |
Sub-units | Kildonnan Member, Lonfearn Member |
Underlies | Valtos Sandstone Formation |
Overlies | Elgol Sandstone Formation |
Thickness | Between 45 and 50 m |
Lithology | |
Primary | Mudstone |
Other | Limestone |
Location | |
Region | Europe |
Country | Scotland |
Extent | Inner Hebrides |
Type section | |
Named for | Lealt, Skye |
Named by | Harris and Hudson |
Location | Cliffs east of Lonfearn (partial), Coastal exposure 2.5 km north of Kildonnan, Eigg (partial) |
Year defined | 1980 |
Thickness at type section | Lonfearn: 26 to 30 m (partial) Kildonnan: 23 m (partial) |
Fossil content
Color key
|
Notes Uncertain or tentative taxa are in small text; |
Dinosaurs
Theropoda
Pterosaurs
Pterosaurs of the Lealt Shale Formation | ||||||
---|---|---|---|---|---|---|
Genus | Species | Location | Stratigraphic position | Material | Notes | Images |
Dearc[5] | D. sgiathanach | A angustinaripterin rhamphorhynchid | ||||
See also
Footnotes
References
Wikiwand in your browser!
Seamless Wikipedia browsing. On steroids.
Every time you click a link to Wikipedia, Wiktionary or Wikiquote in your browser's search results, it will show the modern Wikiwand interface.
Wikiwand extension is a five stars, simple, with minimum permission required to keep your browsing private, safe and transparent.