The Pleistocene Period
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The Pleistocene Period
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Author : Frederick Everard Zeuner
language : en
Publisher:
Release Date : 1959
The Pleistocene Period written by Frederick Everard Zeuner and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1959 with Geology, Stratigraphic categories.
Pleistozän - Klima - Chronologie.
The Pleistocene Era
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Author : Charles River
language : en
Publisher:
Release Date : 2020-12-12
The Pleistocene Era written by Charles River and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2020-12-12 with categories.
*Includes pictures *Includes a bibliography for further reading The Pleistocene spans a period from around 2.5 million years ago (mya) to just over 12,000 years ago, and it was an epoch of enormous change on Earth, mainly characterized by climate changes involving fluctuations between periods of extreme heat and long periods of glaciation. This period is commonly known as the Ice Age despite the fact there were actually a number of separate periods of cold. Along with the climate challenges, this was also the period that saw the development of modern humans. The origin of our ancient ancestors is still a matter of debate amongst paleontologists, and classification systems for early hominoids are constantly being updated as new discoveries are made. What is generally agreed upon is the species Homo sapiens belong to the order primates and the sub-order anthropoids. Within the anthropoids sub-order, humans belong to the family hominids, which also includes other animals such as the orangutan and the great apes. Drilling down even further, humans belong to a sub-group of hominids known as hominin. The sub-group hominin includes humans, as well as chimpanzees and gorillas. Discoveries have revealed more than twenty species of the genus Homo, all of which appeared during the Pleistocene Epoch, and all but Homo sapiens became extinct during the same period. The challenge is understanding which of these groups are predecessors to Homo sapiens and which are separate groups that died out leaving no current representation. Not knowing this information makes it difficult to determine neat classification and establish precisely when hominins separated from the rest of the non-hominin primates. It is generally accepted that hominoids and the first hominins evolved in what is now Africa. Somewhere around 7 mya, the common hominoid lineage split into two distinct evolutionary lines: the ancestors of modern chimpanzees and those of modern humans. Around 2.5 mya, a new genus of hominin appeared. Homo had larger brains than their predecessors as well as smaller jaws and teeth. The very first stone tools date to this period when there were a number of different hominin species. The very first true humans, Homo erectus, appeared around 2 mya. These new creatures could hardly have chosen a more difficult time to appear. In addition to facing the challenges of simply surviving in a generally hostile environment, the world was about to enter a period of convulsive climatic change. The new humans would face drought and extreme heat, as well as long periods of cooling where glaciers spread across the surface of the planet, but they survived, and by the time the Pleistocene Epoch ended around 12,000 years ago, Homo sapiens had become one of the most significant species on the planet. The Pleistocene Era: The History of the Ice Age and the Dawn of Modern Humans looks at the development of the era, what life on Earth was like, and the origins of archaic humans. Along with pictures depicting important people, places, and events, you will learn about the Pleistocene like never before.
The Pleistocene Period
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Author :
language : en
Publisher:
Release Date : 1959
The Pleistocene Period written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1959 with categories.
Glacial Geology And The Pleistocene Epoch
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Author : Richard Foster Flint
language : en
Publisher: Lodge Press
Release Date : 2008-11
Glacial Geology And The Pleistocene Epoch written by Richard Foster Flint and has been published by Lodge Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2008-11 with Science categories.
This informative book takes a comprehensive look at the subject of glacial geology in the Pleistocene Epoch, and is highly recommended for inclusion on the bookshelf of anyone with an interest in the subject. Preface: 'The Pleistocene epoch occupies a peculiarly important place in the time scale of geology, for it embraces the events of the latest million or more years in the history of the Earth and is therefore so recent that it bridges the gap between the geologic changes now in progress and the more remote past. "When the work of the geologist is finished," wrote Gilbert, "and his final comprehensive report written, the longest and most important chapter will be upon the latest and shortest of the geologic periods. The chapter will be longest because the exceptional fullness of the record of the latest period will enable him to set forth most completely its complex history. The changes of each period - its erosion, its sedimentation, and its metamorphism - obliterate part of the records of its predecessor and of all earlier periods, so that the order of our knowledge must continue to be, as it now is, the inverse order of their antiquity." This fact in itself furnishes an adequate reason for making the principal facts of the Pleistocene epoch compactly available, not only to geologists but also to ecologists, archeologists, geographers, and . others whose studies reach back into the prehistoric realm. In addition, the increased pace of research upon Pleistocene problems in general, and problems in glacial geology in particular, that has been evident during the last two decades has emphasized the necessity, in this field, of a summary that will be at once a reference to the data already established and a means of indicating the areas and problems in which further research is most needed. These are the principal objectives of the present volume. No one knows better than its author that it falls short of attaining them. Knowledge of the Pleistocene has grown to such an extent that a complete reference work would become an encyclopedia. The consequent necessity for condensation has required the exercise of selective judgment at every turn. The list of references at the end of the book is far from complete, though an earnest effort has been made to see that it is representative. In particular it may lack important titles that have appeared in some countries during the war years and that have not yet been widely distributed. This discussion treats the Pleistocene frankly from the point of view of glaciation, the outstanding characteristic that distinguishes the Pleistocene from the epochs that preceded it. The somewhat cumbersome title was selected with this fact in mind, in an effort not to create the impression that the work is a fully balanced treatment of every phase of the Pleistocene. As is pointed out in Chapter 16, the correlations of Pleistocene events cited and suggested are, as far as possible, those based on geologic evidence rather than on archeologic evidence. In the presentation of geologic evidence itself stream-terrace data are used as little as possible in the belief that this class of data is more frequently subject to faulty interpretation than the data obtained from features of other kinds. In particular this book avoids, in correlation, deduction from any theory of Pleistocene climatic fluctuation which sets up a fixed chronology of events. This conservative attitude is adopted on the principle that only when the stratigraphic column is built up strictly on geologic evidence can the influence of prejudice in favor of a particular theory of climate be avoided. To enable the reader to evaluate the reliability of the data used, a continuous effort has been made to discriminate between reasoning by induction from field evidence and reasoning by deduction from assumed general conditions.'
Humans At The End Of The Ice Age
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Author : Lawrence Guy Straus
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06
Humans At The End Of The Ice Age written by Lawrence Guy Straus and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-12-06 with Social Science categories.
Humans at the End of the Ice Age chronicles and explores the significance of the variety of cultural responses to the global environmental changes at the last glacial-interglacial boundary. Contributions address the nature and consequences of the global climate changes accompanying the end of the Pleistocene epoch-detailing the nature, speed, and magnitude of the human adaptations that culminated in the development of food production in many parts of the world. The text is aided by vital maps, chronological tables, and charts.
The Pleistocene Period
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Author : Friedrich Eberhard Zeuner
language : en
Publisher:
Release Date : 1945
The Pleistocene Period written by Friedrich Eberhard Zeuner and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1945 with categories.
The Pleistocene Period And Its Vertebrata
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Author : Oliver Perry Hay
language : en
Publisher:
Release Date : 1912
The Pleistocene Period And Its Vertebrata written by Oliver Perry Hay and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1912 with Paleontology categories.
The Pleistocene Period
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Author : Frederick E. Zeuner
language : en
Publisher:
Release Date : 1945
The Pleistocene Period written by Frederick E. Zeuner and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1945 with categories.
The Last Lost World
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Author : Lydia Pyne
language : en
Publisher: Penguin
Release Date : 2012-06-14
The Last Lost World written by Lydia Pyne and has been published by Penguin this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-06-14 with Science categories.
An enlightening investigation of the Pleistocene’s dual character as a geologic time—and as a cultural idea The Pleistocene is the epoch of geologic time closest to our own. It’s a time of ice ages, global migrations, and mass extinctions—of woolly rhinos, mammoths, giant ground sloths, and not least early species of Homo. It’s the world that created ours. But outside that environmental story there exists a parallel narrative that describes how our ideas about the Pleistocene have emerged. This story explains the place of the Pleistocene in shaping intellectual culture, and the role of a rapidly evolving culture in creating the idea of the Pleistocene and in establishing its dimensions. This second story addresses how the epoch, its Earth-shaping events, and its creatures, both those that survived and those that disappeared, helped kindle new sciences and a new origins story as the sciences split from the humanities as a way of looking at the past. Ultimately, it is the story of how the dominant creature to emerge from the frost-and-fire world of the Pleistocene came to understand its place in the scheme of things. A remarkable synthesis of science and history, The Last Lost World describes the world that made our modern one.
The Pleistocene Period
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Author : Frederick Eberhard Zeuner
language : en
Publisher:
Release Date : 1964
The Pleistocene Period written by Frederick Eberhard Zeuner and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1964 with categories.