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The lowermost and the oldest epoch of the Tertiary Period of geologic time is

  • A.Pliocene
  • B.Palaeozoic
  • C.Holocene
  • D.Palaeocene

Answer: D

The Tertiary Period is divided into the Palaeocene, Eocene, Oligocene, Miocene and Pliocene epochs. The Palaeocene is the lowermost and therefore the oldest of these, beginning about 66 million years ago immediately after the extinction of the dinosaurs.

The Pliocene is the youngest Tertiary epoch, the Holocene lies in the Quaternary, and the Palaeozoic is an era far older than the whole Tertiary.

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