Quaternary

Definition and stakes

Various,  Popular Science Monthly (1891)

“ All these circumstances, and many more, combine to make this present geological period in which we are still living—the Quaternary period—one of the darkest and most mysterious of all. Thus every possible question which is the most difficult in geology seems crowded and aggregated into the age which stands nearest to us, and to which geologically we ourselves belong. ”
Source: Wikisource

Portrait of S. Laing S. Laing,  Human Origins

“ It is perfectly evident from the admitted existence of man throughout the Quaternary period, already spread over a great part of the earth's surface, and divided into distinct types, that if there is any truth in evolution, mankind must have had a long previous existence. The only other possible alternative would be the special miraculous creations of men of several different types, and in many different centres, at the particular period of time when the Tertiary was replaced by the Quaternary. ”
Source: Gutenberg

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