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Author: David L. Meyer
Publisher: Indiana University Press
ISBN: 0253013496
Category : Nature
Languages : en
Pages : 383
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Book Description
A “superbly written, richly illustrated” guide to the animals who lived 450 million years ago—in the fossil-rich area where Cincinnati, Ohio now stands (Rocks & Minerals). The region around Cincinnati, Ohio, is known throughout the world for the abundant and beautiful fossils found in limestones and shales that were deposited as sediments on the sea floor during the Ordovician Period, about 450 million years ago—some 250 million years before the dinosaurs lived. In Ordovician time, the shallow sea that covered much of what is now the North American continent teemed with marine life. The Cincinnati area has yielded some of the world’s most abundant and best-preserved fossils of invertebrate animals such as trilobites, bryozoans, brachiopods, molluscs, echinoderms, and graptolites. So famous are the Ordovician fossils and rocks of the Cincinnati region that geologists use the term “Cincinnatian” for strata of the same age all over North America. This book synthesizes more than 150 years of research on this fossil treasure-trove, describing and illustrating the fossils, the life habits of the animals represented, their communities, and living relatives, as well as the nature of the rock strata in which they are found and the environmental conditions of the ancient sea. “A fascinating glimpse of a long-extinct ecosystem.” —Choice
Author: David L. Meyer
Publisher: Indiana University Press
ISBN: 0253013496
Category : Nature
Languages : en
Pages : 383
Get Book Here
Book Description
A “superbly written, richly illustrated” guide to the animals who lived 450 million years ago—in the fossil-rich area where Cincinnati, Ohio now stands (Rocks & Minerals). The region around Cincinnati, Ohio, is known throughout the world for the abundant and beautiful fossils found in limestones and shales that were deposited as sediments on the sea floor during the Ordovician Period, about 450 million years ago—some 250 million years before the dinosaurs lived. In Ordovician time, the shallow sea that covered much of what is now the North American continent teemed with marine life. The Cincinnati area has yielded some of the world’s most abundant and best-preserved fossils of invertebrate animals such as trilobites, bryozoans, brachiopods, molluscs, echinoderms, and graptolites. So famous are the Ordovician fossils and rocks of the Cincinnati region that geologists use the term “Cincinnatian” for strata of the same age all over North America. This book synthesizes more than 150 years of research on this fossil treasure-trove, describing and illustrating the fossils, the life habits of the animals represented, their communities, and living relatives, as well as the nature of the rock strata in which they are found and the environmental conditions of the ancient sea. “A fascinating glimpse of a long-extinct ecosystem.” —Choice
Author: Maryland Geological Survey
Publisher:
ISBN:
Category : Geology
Languages : en
Pages : 516
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Book Description
Author: A. W. A. Rushton
Publisher:
ISBN:
Category : Geology
Languages : en
Pages : 468
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Book Description
The Cambrian and Ordovician systems are recognised worldwide as two of the major divisions of geological time. This volume describes some 130 sites that encapsulate key features of the Cambrian and Ordovician in Britain, and the reference list provides an entry to the literature on the subject.
Author: James Derby
Publisher: AAPG
ISBN: 0891813802
Category : Science
Languages : en
Pages : 1229
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Book Description
Hardcover plus DVD
Author: Michael G. Bassett
Publisher: Cardiff : National Museum of Wales
ISBN:
Category : Science
Languages : de
Pages : 236
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Book Description
This volume of 15 papers covers aspects of late Cambrian-early Ordovician floras, faunas and stratigraphy in Europe, the former USSR, the Near East, North America, Australasia and Antarctica.
Author: Robert T. Ryder
Publisher:
ISBN:
Category : Geology
Languages : en
Pages : 40
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Book Description
Author: Maryland Geological Survey
Publisher:
ISBN:
Category : Fossils
Languages : en
Pages : 0
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Book Description
Author: Barry D. Webby
Publisher: Columbia University Press
ISBN: 0231501633
Category : Science
Languages : en
Pages : 497
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Book Description
Two of the greatest evolutionary events in the history of life on Earth occurred during Early Paleozoic time. The first was the Cambrian explosion of skeletonized marine animals about 540 million years ago. The second was the "Great Ordovician Biodiversification Event," which is the focus of this book. During the 46-million-year Ordovician Period (489–443 m.y.), a bewildering array of adaptive radiations of "Paleozoic- and Modern-type" biotas appeared in marine habitats, the first animals (arthropods) walked on land, and the first non-vascular bryophyte-like plants (based on their cryptospore record) colonized terrestrial areas with damp environments. This book represents a compilation by a large team of Ordovician specialists from around the world, who have enthusiastically cooperated to produce this first globally orientated, internationally sponsored IGCP (International Geological Correlation Program) project on Ordovician biotas. The major part is an assembly of genus- and species-level diversity data for the many Ordovician fossil groups. The book also presents an evaluation of how each group diversified through Ordovician time, with assessments of patterns of change and rates of origination and extinction. As such, it will become the standard work and data source for biotic studies on the Ordovician Period.
Author: Trond H. Torsvik
Publisher: Cambridge University Press
ISBN: 1107105323
Category : Science
Languages : en
Pages : 329
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Book Description
This book provides a complete Phanerozoic story of palaeogeography, using new and detailed full-colour maps, to link surface and deep-Earth processes.
Author: A. Krishna Sinha
Publisher: Geological Society of America
ISBN: 9780813711911
Category : Science
Languages : en
Pages : 892
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Book Description
The thermal evolution of mountain belts is recorded inthe distribution, origin and ages of magnatism. In this volume, petrologic, isotopic and geochemical evidence is presented to highlight the contribution of igneous rocks to the evolution of the Appalachian Orogen in both Canada and the United States. These papers emphasize the use of modern geochemical and petrologic data to discriminate the sources yielding magmas, and thus the nature of the crust and mantle.
