]> 2024-06-13T11:59:07+00:00 Quaternary Period 0 0837 englanti 2014-07-31T09:01:37Z 2456869.8761227 Quaternary Period <P align="justify"> The last geological period, the beginning of which is defined by the point at which the climate of the northern hemisphere cooled down c. 2.5 million years ago. The Quaternary is divided into two phases: the Pleistocene and the geological present known as the Holocene. <BR><BR> [[Ice Age|Ice Age.]] </P> Otsikko 102