Blesa Formation
The Blesa Formation is a geological formation in Teruel and La Rioja, Spain whose strata date back to the Barremian of the Early Cretaceous. Dinosaur remains as well as eggs are among the fossils that have been recovered from the formation. Along with the fragmentary anhanguerian pterosaur Iberodactylus. While the lower and upper parts of the formation were deposited in a continental setting, the middle portion of the formation is largely nearshore marine, with remains of plesiosaurs.
| Blesa Formation | |
|---|---|
| Stratigraphic range: | |
| Type | Geological formation |
| Unit of | Maestrazgo Basin |
| Sub-units |
|
| Underlies | Alacón Formation |
| Overlies | Unconformity with Jurassic strata |
| Thickness | Up to 150 m |
| Lithology | |
| Primary | Clay, Marl, Limestone |
| Other | Conglomerate |
| Location | |
| Region | Europe |
Distribution of the Belsa Formation within the Oliete Sub-Basin (in olive) | |
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