Primitive Man (Classic Reprint) - Softcover

Sampson, Z. Sidney

Softcover

ISBN 10: 0282757015 ISBN 13: 9780282757014

Verlag: Forgotten Books, 2017

Inhaltsangabe

Excerpt from Primitive Man

Working upon these data, Prof. Croll asserts that the first of these periods of great eccentricity began years ago, and lasted years; the second began years Since and lasted years; the third commenced years ago and lasted years. This would give us, since the termination of the last glacial era (or eras), years. But it is certain that man of the river-drift period lived in pre-glacial times, and if we accept the conclusion that the most recent glacial era commenced years ago, we must allow not less than years ago as the date of the close of the Pliocene period, and the probable first appearance of man. Other theories which have been proposed to account for the Glacial Age, such as variations in the intensity Of solar radiation, the movement Of the earth from a colder into a warmer region of Space, alteration in the axis of the earth and others, are fully stated and criticized in the twelfth chapter of Sir John Lubbock's Prehistoric Man, as are also investigations into existing deposits and formations with a view to ascertaining the probable antiquity of the stone and bronze ages.

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Details zur Ausgabe

• Verlag: Forgotten Books
• Erscheinungsdatum: 2017
• Sprache: Englisch
• ISBN 10: 0282757015
• ISBN 13: 9780282757014
• Einband: Taschenbuch
• Anzahl der Seiten: 88
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