1Of, relating to, or denoting the earlier division of the Tertiary period, comprising the Paleocene, Eocene, and Oligocene epochs. Compare with Neogene.
More example sentences
- The contact between Cretaceous Chalk and Palaeogene siliciclastic sediments is a megasequence boundary within the fill of the Wessex Basin.
- Thick Permian to Paleogene continental rise deposits merge southward into a continuous Ordovician to Eocene shelf sedimentary succession of marine carbonates, sandstone, siltstone and shale.
- The preserved Miocene sediments have allowed us to separate the effects of Palaeogene and Neogene uplift.
The Paleogene lasted from about 65 million to 23 million years ago. The mammals diversified following the demise of the dinosaurs, and many bizarre and gigantic forms appeared
Definition of Paleogene in:
- The British & World English dictionary