GENERAL KNOWLEDGE

Detailed explanation-1: -Which is the lowermost and the oldest epoch of the tertiary period of the geologic time scale? Notes: Palaeocene is the lowermost and oldest epoch of the tertiary period. It spans between 65 million years ago to 57 million years ago.

Detailed explanation-2: -In terms of major events, the Tertiary period began with the demise of the non-avian dinosaurs in the Cretaceous–Tertiary extinction event, at the start of the Cenozoic era, and lasted to the beginning of the most recent Ice Age at the end of the Pliocene epoch.

Detailed explanation-3: -In geologic time, the Tertiary Period (also sometimes referred to in terms of a Paleogene Period and a Neogene Period), represents the first geologic period in the Cenozoic Era . The Tertiary Period spans the time between roughly 65 million years ago (mya) and 2.6 mya.