The Great Ordovician Biodiversification Event Insights From The Tafilalt Biota Morocco
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The Great Ordovician Biodiversification Event Insights from the Tafilalt Biota Morocco
Author | : A.W. Hunter,J.J. Álvaro,B. Lefebvre,P. Van Roy,S. Zamora |
Publsiher | : Geological Society of London |
Total Pages | : 615 |
Release | : 2022 |
Genre | : Science |
ISBN | : 9781786204073 |
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Special Publication 485 About 40 million years after the Cambrian Explosion, the Great Ordovician Biodiversification Event (GOBE) represents a second and dramatic burst in marine biodiversity, with major changes in the structure of ecosystems and the progressive replacement of the distinctive Cambrian Evolutionary Fauna by the Paleozoic Evolutionary Fauna. However, the GOBE is not a single, worldwide, short-term event, but rather the complex sum of successive diversifications occurring in distinct taxonomic groups, trophic guilds and regions. This book focuses on the Late Ordovician Tafilalt Biota, Anti-Atlas Morocco, which provides a snapshot of the GOBE in high-latitude regions of the Southern Hemisphere. A series of contributions explore different aspects of the Tafilalt Biota, including its geological setting, the international fossil trade in this area and a series of detailed systematic contributions describing many new taxa of marine invertebrates. This volume represents a significant contribution to the understanding of the Tafilalt Biota and its significance to the GOBE.
Insights on the Rise of Animal Life from Cambrian and Ordovician Lagerst tten
Author | : Bertrand Lefebvre,Allison Daley,Farid Saleh,Khadija El Hariri |
Publsiher | : Frontiers Media SA |
Total Pages | : 130 |
Release | : 2023-12-27 |
Genre | : Science |
ISBN | : 9782832542347 |
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The Great Ordovician Biodiversification Event
Author | : Barry D. Webby,Florentin Paris,Mary L. Droser,Ian G. Percival |
Publsiher | : Columbia University Press |
Total Pages | : 497 |
Release | : 2004-04-14 |
Genre | : Science |
ISBN | : 9780231501637 |
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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.
Ordovician of the World
Author | : Diego García-Bellido Capdevila |
Publsiher | : IGME |
Total Pages | : 692 |
Release | : 2011 |
Genre | : Geology, Stratigraphic |
ISBN | : 8478408576 |
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Seismic Characterization of Carbonate Platforms and Reservoirs
Author | : J. Hendry,P. Burgess,D. Hunt,X. Janson,V. Zampetti |
Publsiher | : Geological Society of London |
Total Pages | : 293 |
Release | : 2021-08-17 |
Genre | : Science |
ISBN | : 9781786205391 |
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Modern seismic data have become an essential toolkit for studying carbonate platforms and reservoirs in impressive detail. Whilst driven primarily by oil and gas exploration and development, data sharing and collaboration are delivering fundamental geological knowledge on carbonate systems, revealing platform geomorphologies and how their evolution on millennial time scales, as well as kilometric length scales, was forced by long-term eustatic, oceanographic or tectonic factors. Quantitative interrogation of modern seismic attributes in carbonate reservoirs permits flow units and barriers arising from depositional and diagenetic processes to be imaged and extrapolated between wells. This volume reviews the variety of carbonate platform and reservoir characteristics that can be interpreted from modern seismic data, illustrating the benefits of creative interaction between geophysical and carbonate geological experts at all stages of a seismic campaign. Papers cover carbonate exploration, including the uniquely challenging South Atlantic pre-salt reservoirs, seismic modelling of carbonates, and seismic indicators of fluid flow and diagenesis.
Early Palaeozoic Biogeography and Palaeogeography
Author | : D.A.T. Harper,T. Servais |
Publsiher | : Geological Society of London |
Total Pages | : 485 |
Release | : 2014-01-27 |
Genre | : Science |
ISBN | : 9781862393738 |
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The Early Palaeozoic was a critical interval in the evolution of marine life on our planet. Through a window of some 120 million years, the Cambrian Explosion, Great Ordovician Biodiversification Event, End Ordovician Extinction and the subsequent Silurian Recovery established a steep trajectory of increasing marine biodiversity that started in the Late Proterozoic and continued into the Devonian. Biogeography is a key property of virtually all organisms; their distributional ranges, mapped out on a mosaic of changing palaeogeography, have played important roles in modulating the diversity and evolution of marine life. This Memoir first introduces the content, some of the concepts involved in describing and interpreting palaeobiogeography, and the changing Early Palaeozoic geography is illustrated through a series of time slices. The subsequent 26 chapters, compiled by some 130 authors from over 20 countries, describe and analyse distributional and in many cases diversity data for all the major biotic groups plotted on current palaeogeographic maps. Nearly a quarter of a century after the publication of the ‘Green Book’ (Geological Society, London, Memoir12, edited by McKerrow and Scotese), improved stratigraphic and taxonomic data together with more accurate, digitized palaeogeographic maps, have confirmed the central role of palaeobiogeography in understanding the evolution of Early Palaeozoic ecosystems and their biotas.
Applications of Non Pollen Palynomorphs
Author | : F. Marret,J. O’Keefe,P. Osterloff,M. Pound |
Publsiher | : Geological Society of London |
Total Pages | : 358 |
Release | : 2021-10-29 |
Genre | : Science |
ISBN | : 9781786205414 |
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This long-awaited book about non-pollen palynomorphs (NPPs) aims to cover gaps in our knowledge of these abundant but understudied palynological remains. NPPs, such as fungal spores, testate amoebae, dinoflagellate cysts, acritarchs and animal remains, are routinely recovered from palynological preparations of marine or terrestrial material, from Proterozoic to recent geological times. This book gives the reader a comprehensive overview of the different types of NPPs, with examples from diverse time periods and environments. It provides guidance on sample preparation to maximize the recovery of these NPPs, detailed information on their diversity and ecological affinity, clarification on the nomenclature and demonstrates their value as environmental indicators. This volume will become the reference guide for any student, academic or practitioner interested in everything else in their palynological preparations.
The Ages of the Earth
Author | : J. Javier Álvaro |
Publsiher | : Cambridge Scholars Publishing |
Total Pages | : 291 |
Release | : 2019-04-12 |
Genre | : Science |
ISBN | : 9781527533165 |
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Negationism is an irrational but useful tool for manipulation. Almost nobody supports the Flat Earth model or the geocentrism, but some European educational laws still offer a confessional education that treats as real the myth about Adam and Eve. This book recounts the struggle that human mind has maintained, over two millennia, against creationist myths. The journey takes place between cosmogonies, theological dogmas, natural philosophy, Deism and the inevitable secularism of the Age of Enlightenment.