Definition of Paleogene in English:

Paleogene

adjective

Geology
  • 1Relating to or denoting the earlier division of the Tertiary period, comprising the Paleocene, Eocene, and Oligocene epochs.

    Compare with Neogene
    • ‘The Bishri area was part of the Palmyride aulacogen from Late Palaeozoic until Paleogene time, accumulating thousands of metres of clastic and carbonate strata.’
    • ‘The preserved Miocene sediments have allowed us to separate the effects of Palaeogene and Neogene uplift.’
    • ‘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 sequence overlies Upper Triassic to Upper Cretaceous rocks and locally covers Palaeogene karst bauxite deposits.’
    • ‘The contact between Cretaceous Chalk and Palaeogene siliciclastic sediments is a megasequence boundary within the fill of the Wessex Basin.’
    1. 1.1as noun the Paleogene The Paleogene subperiod or the system of rocks deposited during it.

Origin

Late 19th century: from paleo- + Greek genēs ‘of a specified kind’ (see -gen).

Pronunciation

Paleogene

/ˈpālēəjēn//ˈpeɪliədʒin/