Jizera Formation
Geological unit in the Czech Republic
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The Jizera Formation is a geologic unit of Late Cretaceous (Turonian) age, located in the Czech Republic. It is a unit of the Bohemian Cretaceous Basin.[1][2] It consists of fluvial to shallow marine sediments[1] and pterosaur fossils are among the remains found in the Jizera Formation. The type locality of the Jizera Formation is a quarry in Zářecká Lhota.[3][4]
Unit ofMiddle Iser Shales
UnderliesTeplice Formation
OverliesBílá Hora Formation
| Jizera Formation | |
|---|---|
| Stratigraphic range: Turonian, ~ | |
Type locality of the Jizera Formation at a quarry at Zářecká Lhota | |
| Type | Geological formation |
| Unit of | Middle Iser Shales |
| Underlies | Teplice Formation |
| Overlies | Bílá Hora Formation |
| Thickness | up to 420 metres (1,380 ft) |
| Lithology | |
| Primary | Marlstone, sandstone |
| Location | |
| Coordinates | 49°59′N 16°14′E |
| Country | Czech Republic |
| Extent | Bohemian Cretaceous Basin |
| Type section | |
| Named for | Jizera Mountains |
  Jizera Formation (Czech Republic) | |
Paleofauna
- Pteranodontoid pterosaur Cretornis hlavaci - "a complete humerus (upper arm bone), an ulna, radius, wrist and two phalanges of the wing finger"[3][5]
