Argiles d'Octeville
Geological formation in Normandy, France From Wikipedia, the free encyclopedia
Geological formation in Normandy, France From Wikipedia, the free encyclopedia
The Argiles d'Octeville (meaning Octeville Clay) is a geological formation in Normandy, France. It dates back to the Kimmeridgian stage of the Late Jurassic.[1] It is equivalent to the Kimmeridge Clay in England[2] and predominantly consists of claystone, with some limestone.[3] It is well exposed in cliff section at Cap de la Hève
Argiles d'Octeville | |
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Stratigraphic range: | |
![]() Argiles d'Octeville exposed near the base of cliffs near Octeville-sur-Mer, with Chalk in the upper exposure | |
Type | Geological formation |
Sub-units | Argiles du Croquet inférieures, Argiles du Croquet supérieures, Argiles d'Ecqueville inférieures, Argiles d'Ecqueville médianes, Argiles d'Ecqueville supérieures |
Underlies | Unconformity with Aptian sands |
Overlies | Marnes de Bleville |
Thickness | 34 metres |
Lithology | |
Primary | Claystone |
Other | Limestone |
Location | |
Region | Normandy |
Country | ![]() |
Type section | |
Named for | Octeville-sur-Mer |
Reptiles of the Argiles d'Octeville | ||||||
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Taxa | Species | Presence | Material | Notes | Images | |
Indeterminate[4] | Cliffs of Octeville, Cap de La Hève, Normandy | "Seven cervical vertebrae, seven dorsal vertebrae, a sacrum with seven fused centra and sacral ribs, the left ilium, the posterior ends of one pubis and one ischium, the first caudal vertebra and one femur" | Dacentrurine Stegosaur. Excavated in 1898.[5] First described as "Omosaurus lennieri" by Nopcsa in 1911[6] Remains destroyed by WW2 bombing in 1944. | ![]() | ||
Normannognathus[7] | N. wellnhoferi | Cliffs of Octeville, Cap de La Hève, Normandy | Left anterior portion of the skull and associated lower jaws | Pterosaur, indeterminate Monofenestratan. | ||
Indeterminate |
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