Antarctica And Supercontinent Evolution

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Antarctica and Supercontinent Evolution

Author : S.L. Harley,I.C.W. Fitzsimons,Y. Zhao
Publisher : Geological Society of London
Page : 241 pages
File Size : 42,9 Mb
Release : 2014-01-24
Category : Science
ISBN : 9781862393677

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Antarctica and Supercontinent Evolution by S.L. Harley,I.C.W. Fitzsimons,Y. Zhao Pdf

Antarctica preserves a rock record that spans three and a half billion years of history and has a remarkable story to tell about the evolution of our Earth, from the hottest crustal rocks yet found in an orogenic system, to the assembly and breakup of Gondwana in the Phanerozoic. This volume highlights our improved understanding of the tectonic events that have shaped Antarctica and how these potentially relate to supercontinent assembly and fragmentation. The internal constitution of the East Antarctic Shield is assessed using information available from the basement geology and from detritus preserved as Mesozoic sediments in the Trans Antarctic Mountains. Accretionary orogenesis along the proto-Pacific margin of Antarctica is examined and the volumes of intracrustal melting compared with juvenile magma additions in these complex orogenic systems assessed. This special volume demonstrates the diversity of approaches required to elucidate and understand crustal evolution and evaluate the supercontinent concept.

Crustal Evolution of India and Antarctica

Author : N.C. Pant ,S. Dasgupta
Publisher : Geological Society of London
Page : 362 pages
File Size : 46,9 Mb
Release : 2017-10-13
Category : Science
ISBN : 9781786203199

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Crustal Evolution of India and Antarctica by N.C. Pant ,S. Dasgupta Pdf

The Proterozoic aeon involved at least three major continental readjustments. India and Antarctica appear in most models of supercontinent reconstructions, but their relative position has been the subject of debate. High-resolution petrological and geochronological data, especially from the Proterozoic mobile belts, provide the principal means of resolving this issue. The ice-covered nature of Antarctica allows only limited access to the rocks, and then only in coastal tracts, so detailed studies in more accessible Proterozoic terrains in India assume added significance. This volume, a follow-up to the XII International Symposium on Antarctic Earth Science, Goa (a SCAR symposium), provides new data from selected locations in east Antarctica (Enderby Land and Dronning Maud Land) and from India, including the Eastern Ghats Mobile Belt (EGMB), Chota Nagpur Gneissic Complex, the Khasi Hills and the Aravalli–Delhi Mobile Belt. The presented geochronological data, constrained by petrological studies, are expected to provide new insights, especially into the EGMB–east Antarctica connection and the rate of continental readjustments in the post-Rodinia break-up.

Continents and Supercontinents

Author : John J. W. Rogers,M. Santosh
Publisher : Oxford University Press
Page : 304 pages
File Size : 54,7 Mb
Release : 2004-09-16
Category : Science
ISBN : 0195347331

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Continents and Supercontinents by John J. W. Rogers,M. Santosh Pdf

To this day, there is a great amount of controversy about where, when and how the so-called supercontinents--Pangea, Godwana, Rodinia, and Columbia--were made and broken. Continents and Supercontinents frames that controversy by giving all the necessary background on how continental crust is formed, modified, and destroyed, and what forces move plates. It also discusses how these processes affect the composition of seawater, climate, and the evolution of life. Rogers and Santosh begin with a survey of plate tectonics, and go on to describe the composition, production, and destruction of continental and oceanic crust, and show that cratons or assemblies of cratons became the first true continents, approximately one billion years after the earliest continental crust evolved. The middle part of the book concentrates on supercontinents, beginning with a discussion of types of orogenic belts, distinguishing those that formed by closure of an ocean basin within the belt and those that formed by intracontinental deformation caused by stresses generated elsewhere. This information permits discrimination between models of supercontinent formation by accretion of numerous small terranes and by reorganization of large old continental blocks. This background leads to a description of the assembly and fragmentation of supercontinents throughout earth history. The record is most difficult to interpret for the oldest supercontinent, Columbia, and also controversial for Rodinia, the next youngest supercontinent. The configurations and pattern of breakup of Gondwana and Pangea are well known, but some aspects of their assembly are unclear. The book also briefly describes the histories of continents after the breakup of Pangea, and discusses how changes in the composition of seawater, climate, and life may have been affected by the sizes and locations of continents and supercontinents.

Antarctic Climate Evolution

Author : Fabio Florindo,Martin Siegert
Publisher : Elsevier
Page : 606 pages
File Size : 55,6 Mb
Release : 2008-10-10
Category : Science
ISBN : 0080931618

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Antarctic Climate Evolution by Fabio Florindo,Martin Siegert Pdf

Antarctic Climate Evolution is the first book dedicated to furthering knowledge on the evolution of the world’s largest ice sheet over its ~34 million year history. This volume provides the latest information on subjects ranging from terrestrial and marine geology to sedimentology and glacier geophysics. An overview of Antarctic climate change, analyzing historical, present-day and future developments Contributions from leading experts and scholars from around the world Informs and updates climate change scientists and experts in related areas of study

Antarctic Climate Evolution

Author : Fabio Florindo,Martin Siegert,Laura De Santis,Tim Naish
Publisher : Elsevier
Page : 806 pages
File Size : 47,7 Mb
Release : 2021-11-04
Category : Science
ISBN : 9780128191101

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Antarctic Climate Evolution by Fabio Florindo,Martin Siegert,Laura De Santis,Tim Naish Pdf

Antarctic Climate Evolution, Second Edition, enhances our understanding of the history of the world’s largest ice sheet, and how it responded to and influenced climate change during the Cenozoic. It includes terrestrial and marine geology, sedimentology, glacier geophysics and ship-borne geophysics, coupled with results from numerical ice sheet and climate modeling. The book’s content largely mirrors the structure of the Past Antarctic Ice Sheets (PAIS) program (www.scar.org/science/pais), formed to investigate past changes in Antarctica by supporting multidisciplinary global research. This new edition reflects recent advances and is updated with several new chapters, including those covering marine and terrestrial life changes, ice shelves, advances in numerical modeling, and increasing coverage of rates of change. The approach of the PAIS program has led to substantial improvement in our knowledge base of past Antarctic change and our understanding of the factors that have guided its evolution. Offers an overview of Antarctic climate change, analyzing historical, present-day and future developments Provides the latest information on subjects ranging from terrestrial and marine geology to sedimentology and glacier geophysics in the context of Antarctic evolution Fully updated to include expanded coverage of rates of change, advances in numerical modeling, marine and terrestrial life changes, ice shelves, and more

Geological Evolution of Antarctica

Author : Michael Robert Alexander Thomson,J. Alistair Crame,Janet W. Thomson
Publisher : Cambridge University Press
Page : 742 pages
File Size : 40,9 Mb
Release : 1991-05-16
Category : Science
ISBN : 0521372666

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Geological Evolution of Antarctica by Michael Robert Alexander Thomson,J. Alistair Crame,Janet W. Thomson Pdf

Surveys the tectonic evolution of the Antarctic crust and the palaeoenvironmental evolution of Antarctica since the Late Mesozoic.

Geodynamic Evolution of East Antarctica

Author : M. Satish-Kumar
Publisher : Geological Society of London
Page : 472 pages
File Size : 43,7 Mb
Release : 2008
Category : Continental drift
ISBN : 1862392684

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Geodynamic Evolution of East Antarctica by M. Satish-Kumar Pdf

Geological correlations of East Antarctica with adjoining continents have been puzzling geologists ever since the concept of a Gondwana supercontinent surfaced. Despite the paucity of outcrops because of ice cover, difficulty of access and extreme weather, the past 50 years of Japanese Antarctic Research Expeditions (JARE) has successfully revealed vital elements of the geology of East Antarctica. This volume presents reviews and new research from localities across East Antarctica, especially from Dronning Maud Land to Enderby Land, where the geological record preserves a history that spans the Archaean and Proterozoic. The reviews include extensive bibliographies of results obtained by geologists who participated in the JARE. Comprehensive geological, petrological and geochemical studies, form a platform for future research on the formation and dispersion of Rodinia in the Mesoproterozoic and subsequent assembly of Gondwana in the Neoproterozoic to Early Palaeozoic.

Proterozoic East Gondwana

Author : Masaru Yoshida,Brian F. Windley,Somnath Dasgupta
Publisher : Geological Society of London
Page : 486 pages
File Size : 55,8 Mb
Release : 2003
Category : Science
ISBN : 1862391254

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Proterozoic East Gondwana by Masaru Yoshida,Brian F. Windley,Somnath Dasgupta Pdf

This volume focuses on Late Mesoproterozoic to early Cambrian events related to Gondwana assembly and break up. The nineteen papers provide a comprehensive review including advanced knowledge and new data from all critical areas of East Gondwana. The recent knowledge of the evolution of East Gondwana, which was regarded as an integral part of the Mesoproterozoic supercontinent Rodinia, is the major theme of the volume, which is reinforced by highlighting this radical and new understanding of the evolution of this region.

Earth's Oldest Rocks

Author : Martin J. Van Kranendonk,Vickie Bennett,Elis Hoffmann
Publisher : Elsevier
Page : 1112 pages
File Size : 54,6 Mb
Release : 2018-09-26
Category : Science
ISBN : 9780444639028

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Earth's Oldest Rocks by Martin J. Van Kranendonk,Vickie Bennett,Elis Hoffmann Pdf

Earth’s Oldest Rocks, Second Edition, is the only single reference source for geological research of early Earth. This new edition is an up-to-date collection of scientific articles on all aspects of the early history of the Earth, from planetary accretion at 4.567 billion years ago (Ga), to the onset of modern-style plate tectonics at 3.2 Ga. Since the first edition was published, significant new advances have been made in our understanding of events and processes on early Earth that correspond with new advances in technology. The book includes contributions from over 100 authors, all of whom are experts in their respective fields. The research in this reference concentrates on what is directly gleaned from the existing rock record to understand how our planet formed and evolved during the planetary accretion phase, formation of the first crust, the changing dynamics of the mantle and style of tectonics, life’s foothold and early development, and mineral deposits. It is an ideal resource for academics, students and the general public alike. Advances in early Earth research since 2007 based primarily on evidence gleaned directly from the rock record More than 50% of the chapters in this edition are new and the rest of the chapters are revised from the first edition, with more than 700 pages of new material Comprehensive reviews of areas of ancient lithosphere from all over the world, and of crust-forming processes New chapters on early solar system materials, composition of the ancient atmosphere-hydrosphere, and overviews of the oldest evidence of life on Earth, and modeling of early Earth tectonics

Atlas of Deformed and Metamorphosed Rocks from Proterozoic Orogens

Author : T.R.K. Chetty,Wilbert Kehelpannala
Publisher : Elsevier
Page : 416 pages
File Size : 41,7 Mb
Release : 2021-08-20
Category : Science
ISBN : 9780128179796

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Atlas of Deformed and Metamorphosed Rocks from Proterozoic Orogens by T.R.K. Chetty,Wilbert Kehelpannala Pdf

Atlas of Deformed and Metamorphosed Rocks from Proterozoic Orogens is a richly illustrated reference book featuring over 660 full-color field images of a range of lithologies from some Proterozoic terrains that were subjected to multiple events of magmatism, deformation, metamorphism, and metasomatism. The Atlas focuses on amphibolite to granulite facies lithologies and associated ma?c-ultrama?c rocks from Proterozoic orogens of India, Sri Lanka, Botswana, South Africa, East Antarctica, and Western Australia. Each chapter in the book begins with a brief review of geology, including deformation and metamorphic history, along with a regional geological map to help readers to visualize the ?eld observations in the relevant geological context. Each image is accompanied by a concise description providing location, lithology, structural fabric, possible deformational history, metamorphic features, partial melting, metasomatism, and other important crustal processes. This Atlas is an important source of information for a broad range of earth scientists, graduate and undergraduate students, researchers, academicians, and other professionals. This book will form a great treasure to those geoscientists who never had an opportunity to visit any of the Proterozoic orogenic belts. Features over 660 full-color photographs representing typical lithologies and associated structural, metamorphic features, and other crustal processes from different Proterozoic orogens Highlights the significance of field photographs in advancing new knowledge which may provide pathways for new research Covers many important Proterozoic terranes of East Gondwana Presents regional geologic maps from each Proterozoic orogen

The Geochemistry and Geophysics of the Antarctic Mantle

Author : A.P. Martin,W. van der Wal
Publisher : Geological Society of London
Page : 362 pages
File Size : 47,7 Mb
Release : 2023-02-14
Category : Science
ISBN : 9781786204677

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The Geochemistry and Geophysics of the Antarctic Mantle by A.P. Martin,W. van der Wal Pdf

This Memoir is the first dedicated to the Antarctic mantle. It is a cross-disciplinary reference work combining geochemistry and geophysics to characterize Antarctic mantle properties. Through observations and modelling the mantle structures, compositions and dynamics are characterized at regional and continental scales by subject experts. The Memoir reviews all known occurrences of sub-continental mantle xenoliths in igneous rocks. These studies are presented by region as southern or northern Victoria Land, Marie Byrd Land, the Antarctic Peninsula, East Antarctica and the sub-Antarctic Islands. Sub-oceanic mantle in tectonically emplaced and abyssal settings is also considered where known. This is complemented by a continental-scale mantle xenolith overview, mantle characteristics from igneous rocks and a quantitative mantle fabric study. State-of-the-art, continental-scale geophysical overviews of the Antarctic mantle are presented by discipline as seismology, gravity and magnetics, magnetotellurics, rheology, glacial isostatic adjustment, mantle convection and palaeotopography. This Memoir will be the reference for all researchers interested in the Antarctic mantle and its role in dynamics that shape the Antarctic surface and ice sheets.

Assessing the Antarctic Environment from a Climate Change Perspective

Author : Neloy Khare
Publisher : Springer Nature
Page : 373 pages
File Size : 53,5 Mb
Release : 2022-01-01
Category : Science
ISBN : 9783030870782

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Assessing the Antarctic Environment from a Climate Change Perspective by Neloy Khare Pdf

The present book covers diversified contributions addressing the impact of climate change on the Antarctic environment. It covers the reconstruction of environmental changes using different proxies. The chapters focus on the glacial history, glacial geomorphology, sedimentology, and geochemistry of Antarctic region. Furthermore, the Cenozoic evolution of the Antarctic ice sheet is discussed along with a Scientometrics analysis of climate change research. The book serves as a useful reference for researchers who are fascinated by the polar region and environmental research.

Antarctic Palaeoenvironments and Earth-Surface Processes

Author : M.J. Hambrey,P.F. Barker,P.J. Barrett,V. Bowman,B. Davies,J.L. Smellie,M. Tranter
Publisher : Geological Society of London
Page : 497 pages
File Size : 47,5 Mb
Release : 2013-12-05
Category : Science
ISBN : 9781862393639

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Antarctic Palaeoenvironments and Earth-Surface Processes by M.J. Hambrey,P.F. Barker,P.J. Barrett,V. Bowman,B. Davies,J.L. Smellie,M. Tranter Pdf

The volume highlights developments in our understanding of the palaeogeographical, palaeobiological, palaeoclimatic and cryospheric evolution of Antarctica. It focuses on the sedimentary record from the Devonian to the Quaternary Period. It features tectonic evolution and stratigraphy, as well as processes taking place adjacent to, beneath and beyond the ice-sheet margin, including the continental shelf. The contributions in this volume include several invited review papers, as well as original research papers arising from the International Symposium on Antarctic Earth Sciences in Edinburgh, in July 2011. These papers demonstrate a remarkable diversity of Earth science interests in the Antarctic. Following international trends, there is particular emphasis on the Cenozoic Era, reflecting the increasing emphasis on the documentation and understanding of the past record of ice-sheet fluctuations. Furthermore, Antarctic Earth history is providing us with important information about potential future trends, as the impact of global warming is increasingly felt on the continent and its ocean.

Tectonics and Structural Geology: Indian Context

Author : Soumyajit Mukherjee
Publisher : Springer
Page : 455 pages
File Size : 42,5 Mb
Release : 2018-10-30
Category : Science
ISBN : 9783319993416

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Tectonics and Structural Geology: Indian Context by Soumyajit Mukherjee Pdf

This book presents a compilation of findings, review and original works, on the tectonic evolution and structural detail of several terrains in India. It captures the tectonic diversity of the Indian terrain, including tectonics of India's coastal areas, the tectonic evolution of Gondwana and Proterozoic (Purana) basins. It also describes the research results of the Indian craton's geo-history, Tertiary Bengal basin, and also the Himalayan collisional zone. Thus the book covers the deformation history of Indian terrain involving strike slip, compressional and extensional tectonics, and ductile and brittle shear deformations.

Ancient Supercontinents and the Paleogeography of Earth

Author : Lauri J. J Pesonen,Johanna Salminen,Sten-Ake Elming,David A.D. A.D. Evans,Toni Veikkolainen
Publisher : Elsevier
Page : 664 pages
File Size : 44,9 Mb
Release : 2021-10-06
Category : Science
ISBN : 9780128185346

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Ancient Supercontinents and the Paleogeography of Earth by Lauri J. J Pesonen,Johanna Salminen,Sten-Ake Elming,David A.D. A.D. Evans,Toni Veikkolainen Pdf

Ancient Supercontinents and the Paleogeography of Earth offers a systematic examination of Precambrian cratons and supercontinents. Through detailed maps of drift histories and paleogeography of each continent, this book examines topics related to Earth’s tectonic evolution prior to Pangea, including plate kinematics, orogenic development, and paleoenvironments. Additionally, this book discusses the methodologies used, principally paleomagnetism and tectonostratigraphy, and addresses geophysical topics of mantle dynamics and geodynamo evolution over billions of years. Structured clearly with consistent coverage for Precambrian cratons, this book combines state-of-the-art paleomagnetic and geochronologic data to reconstruct the paleogeography of the Earth in the context of major climatic events such as global glaciations. It is an ideal, up-to-date reference for geoscientists and geographers looking for answers to questions surrounding the tectonic evolution of Earth. Provides robust paleogeographies of Precambrian cratons based on high-quality paleomagnetic and geochronologic data and critically tested by global geological datasets Includes links to updated databases for the Precambrian such as PALEOMAGIA and the Global Paleomagnetic Database (GPMDB) Presents full-color maps of the drift histories of each continent as well as their paleogeographies Discusses key questions regarding continental drift, the supercontinent cycle, and the geomagnetic dipole hypothesis and analyzes palaeography in the context of Earth’s holistic evolution