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]

Quick Facts Type, Unit of ...
Lealt Shale Formation
Stratigraphic range: Bathonian
Thumb
Thinly bedded limestones of the Lealt Shale formation overlain by Paleogene lava
TypeGeological formation
Unit ofGreat Estuarine Group
Sub-unitsKildonnan Member, Lonfearn Member
UnderliesValtos Sandstone Formation
OverliesElgol Sandstone Formation
ThicknessBetween 45 and 50 m
Lithology
PrimaryMudstone
OtherLimestone
Location
RegionEurope
Country Scotland
ExtentInner Hebrides
Type section
Named forLealt, Skye
Named byHarris and Hudson
LocationCliffs east of Lonfearn (partial), Coastal exposure 2.5 km north of Kildonnan, Eigg (partial)
Year defined1980
Thickness at type sectionLonfearn: 26 to 30 m (partial) Kildonnan: 23 m (partial)
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Fossil content

Color key
Taxon Reclassified taxon Taxon falsely reported as present Dubious taxon or junior synonym Ichnotaxon Ootaxon Morphotaxon
Notes
Uncertain or tentative taxa are in small text; crossed out taxa are discredited.

Dinosaurs

Theropoda

More information Theropod of the Lealt Shale Formation, Genus ...
Theropod of the Lealt Shale Formation
Genus Species Location Stratigraphic position Material Notes Images
Theropoda Indet. Indeterminate
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Pterosaurs

More information Pterosaurs of the Lealt Shale Formation, Genus ...
Pterosaurs of the Lealt Shale Formation
Genus Species Location Stratigraphic position Material Notes Images
Dearc[5] D. sgiathanach A angustinaripterin rhamphorhynchid
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See also

Footnotes

References

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