1Relating to or denoting the earliest epoch of the Tertiary period, between the Cretaceous period and the Eocene epoch.
- Terrestrial deposits contain fossils ranging from Paleocene leaf imprints to Cretaceous dinosaur remains.
- Initiation of a cold, upwelling current off the west coast of South America dates back to latest Cretaceous to earliest Palaeocene times.
- This trend is evident at a coarse scale in a comparison of the combined rarefaction curves for sites from the uppermost 15 m of the Cretaceous against all Paleocene sites.
Late 19th century: from paleo- (relating to prehistoric times) + Greek kainos 'new'.
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