The Terrestrial Eocene-Oligocene Transition in North America PDF Download
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Author: Donald R. Prothero
Publisher: Cambridge University Press
ISBN: 0521433878
Category : Science
Languages : en
Pages : 708
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Book Description
Provides the latest information in dating and correlation of the strata of late middle Eocene through early Oligocene age in North America.
Author: Donald R. Prothero
Publisher: Cambridge University Press
ISBN: 0521433878
Category : Science
Languages : en
Pages : 708
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Book Description
Provides the latest information in dating and correlation of the strata of late middle Eocene through early Oligocene age in North America.
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Category : Marine sediments
Languages : en
Pages : 406
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Book Description
Author:
Publisher:
ISBN:
Category : Submarine geology
Languages : en
Pages : 834
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Book Description
Author: Donald R. Prothero
Publisher: Indiana University Press
ISBN: 0253000556
Category : Science
Languages : en
Pages : 393
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Book Description
A fascinating study of the thousands of new animal species that walked in the footsteps of the dinosaurs—and the climate changes that brought them forth. The fascinating group of animals called dinosaurs became extinct some 65 million years ago (except for their feathered descendants). In their place evolved an enormous variety of land creatures, especially mammals, which in their way were every bit as remarkable as their Mesozoic cousins. The Age of Mammals, the Cenozoic Era, has never had its Jurassic Park, but it was an amazing time in earth’s history, populated by a wonderful assortment of bizarre animals. The rapid evolution of thousands of species of mammals brought forth many incredible creatures―including our own ancestors. Their story is part of a larger story of new life emerging from the greenhouse conditions of the Mesozoic, warming up dramatically about 55 million years ago, and then cooling rapidly so that 33 million years ago the glacial ice returned. The earth’s vegetation went through equally dramatic changes, from tropical jungles in Montana and forests at the poles. Life in the sea underwent striking evolution reflecting global climate change, including the emergence of such creatures as giant sharks, seals, sea lions, dolphins, and whales. Engaging and insightful, After the Dinosaurs is a book for everyone who has an abiding fascination with the remarkable life of the past.
Author: Derek E. G. Briggs
Publisher: John Wiley & Sons
ISBN: 0470999284
Category : Science
Languages : en
Pages : 600
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Book Description
Palaeobiology: A Synthesis was widely acclaimed both for its content and production quality. Ten years on, Derek Briggs and Peter Crowther have once again brought together over 150 leading authorities from around the world to produce Palaeobiology II. Using the same successful formula, the content is arranged as a series of concise articles, taking a thematic approach to the subject, rather than treating the various fossil groups systematically. This entirely new book, with its diversity of new topics and over 100 new contributors, reflects the exciting developments in the field, including accounts of spectacular newly discovered fossils, and embraces data from other disciplines such as astrobiology, geochemistry and genetics. Palaeobiology II will be an invaluable resource, not only for palaeontologists, but also for students and researchers in other branches of the earth and life sciences. Written by an international team of recognised authorities in the field. Content is concise but informative. Demonstrates how palaeobiological studies are at the heart of a range of scientific themes.
Author: Virgil L. Sharpton
Publisher: Geological Society of America
ISBN: 0813722470
Category : Science
Languages : en
Pages : 644
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Book Description
The conference was held in Snowbird, Utah, October 1988, as a sequel to the Conference on Large Body Impacts held in 1981, also in Snowbird. This volume contains 58 peer-reviewed papers, arranged into sections that cover the major themes of the conference: catastrophic impacts, volcanism, and mass mortality; geological signatures of impacts; environmental effects of impacts; patterns of mass mortality; volcanism and its effects; case histories of mass mortalities; and events and extinctions at the K/T boundary. Annotation copyrighted by Book News, Inc., Portland, OR
Author: Sunil Bajpai
Publisher: Springer
ISBN: 3319774433
Category : Science
Languages : en
Pages : 331
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Book Description
This unique book provides a concise account of Indian Paleogene and presents a unified view of the Paleogene sequences of India. The Paleogene, comprising the early part of the Cenozoic Era, was the most dynamic period in the Earth’s history with profound changes in the biosphere and geosphere. The period spans ~42 million years, beginning from post- K/T mass extinction event at ~65 Ma and ending at ~23 Ma, when the first Antarctic ice sheet appeared in the Southern Hemisphere. The early Paleogene (Paleocene–Eocene) has been considered a globally warm period, superimposed on which were several transient hyperthermal events of extreme warmth. Of these, the Palaeocene Eocene Thermal Maxima (PETM) boundary interval is the most prominent extreme warming episode, lasting 200 Ka. PETM is characterized by 2–6‰ global negative carbon isotope excursion. The event coincided with the Benthic Extinction Event (BEE) in deep sea and Larger Foraminifera Turnover (LFT) in shallow seas. Rapid ~60–80 warming of high latitudinal regions led to major faunal and floral turnovers in continental, shallow-marine and deep-marine areas. The emergence and dispersal of mammals with modern characteristics, including Artiodactyls, Perissodactyls and Primates (APP), and the evolution and expansion of tropical vegetation are some of the significant features of the Paleogene warm world. In the Indian subcontinent, the beginning and end of the Paleogene was marked by various events that shaped the various physiographic features of the Indian subcontinent. The subcontinent lay within the equatorial zone during the earliest part of the Paleogene. Carbonaceous shale, coal and lignite deposits of early Eocene age (~55.5–52 Ma) on the western and north-eastern margins of the Indian subcontinent are rich in fossils and provide information on climate as well as the evolution and paleobiogeography of tropical biota. Indian Paleogene deposits in the India–Asia collision zone also provide information pertaining to the paleogeography and timing of collision. Indian Paleogene rocks are exposed in the Himalayan and Arakan mountains; Assam and the shelf basins of Kutch–Saurashtra, Western Rajasthan; Tiruchirappalli–Pondicherry and Andaman and, though aerially limited, these rocks bear geological evidence of immense importance.
Author: David J. Cantrill
Publisher: Cambridge University Press
ISBN: 113956028X
Category : Science
Languages : en
Pages : 489
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Book Description
The fossil history of plant life in Antarctica is central to our understanding of the evolution of vegetation through geological time and also plays a key role in reconstructing past configurations of the continents and associated climatic conditions. This book provides the only detailed overview of the development of Antarctic vegetation from the Devonian period to the present day, presenting Earth scientists with valuable insights into the break up of the ancient supercontinent of Gondwana. Details of specific floras and ecosystems are provided within the context of changing geological, geographical and environmental conditions, alongside comparisons with contemporaneous and modern ecosystems. The authors demonstrate how palaeobotany contributes to our understanding of the paleoenvironmental changes in the southern hemisphere during this period of Earth history. The book is a complete and up-to-date reference for researchers and students in Antarctic paleobotany and terrestrial paleoecology.
Author: Alessandro Montanari
Publisher: Springer
ISBN: 3540483667
Category : Science
Languages : en
Pages : 388
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Book Description
This book provides a general introduction to impact stratigraphy, with emphasis on the recognition of distal impact ejecta in the field, by focusing on the impactoclastic layers of the Umbria-Marche sequence in Central Italy, with an almost perfect stratigraphic record over the last 200 Million years. A general introduction to impact cratering and a discussion of distal ejecta and impact layers around the world is followed by a detailed description of the record of the impact of extraterrestrial bodies in sediments of the Umbria-Marche Apennines. The volume is of interest to a diverse audience in the geological and planetary sciences, ranging from (upper) undergraduate to research level. This book can also be used by students and researchers as a field guide to some of the most important Italian impact layers.
Author: John G. Fleagle
Publisher: Elsevier
ISBN: 1483267075
Category : Science
Languages : en
Pages : 259
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Book Description
The Platyrrhine Fossil Record is a compendium of papers presented in a symposium of the 12th Congress of the International Congress of Primatology held in Brazil. One paper reviews evidence from fossil platyrrhines where the author concludes new dating and environmental data where these animals lived. Another paper describes the major changes pertaining to South American mammalian fauna during the Cenozoic Era, which he relates to global and regional geotectonic changes. Other papers review the paleontology and geology of the Miocene Pintura Formation and reassess the morphological transformations traditionally assumed as having been involved in platyrrhine phylogeny. One author also proposes that a prosimian-like ancestor is probably the predecessors of anthropoids; any similarities and primitive mammals can be evolutionary reversals associated with quadrupedal movements. The text also addresses the issue whether anthropoids, including platyrrhines, evolved from a prosimian ancestor or prosimians are just a group with mammalian postcranial skeletal structure. One author also reviews fossil remains found in the Caribbean, citing seven endemic taxa of platyrrhines in Cuba, Hispaniola, and Jamaica. Anthropologists, researchers involved in anatomical sciences, academicians, and administrators whose works are connected with museums of natural history or institutes of primate research will find this collection valuable.
