Definition of Jurassic in English:
1Relating to or denoting the second period of the Mesozoic era, between the Triassic and Cretaceous periods.
- Striated fault planes exposed in Mesozoic limestones and Triassic / Jurassic volcanic rocks delineate the surface trace of the fault.
- The thickness of the Jurassic and Cretaceous cover sediments is relatively thin and the Variscan was the last major erogenic event to have affected the region.
- Of the three Triassic and Jurassic fossiliferous formations, no angular fragments were found from the shell beds.
1.1 (as noun the Jurassic) The Jurassic period or the system of rocks deposited during it.
Definition of Jurassic in:
- US English dictionary
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