Crustal Evolution of India and Antarctica

Crustal Evolution of India and Antarctica
Author: N.C. Pant
Publisher: Geological Society of London
Total Pages: 362
Release: 2017-10-13
Genre: Science
ISBN: 1786203197

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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.

Antarctica and Supercontinent Evolution

Antarctica and Supercontinent Evolution
Author: S.L. Harley
Publisher: Geological Society of London
Total Pages: 241
Release: 2014-01-24
Genre: Science
ISBN: 1862393672

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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 and Metallogeny in India

Crustal Evolution and Metallogeny in India
Author: Sanjib Chandra Sarkar
Publisher: Cambridge University Press
Total Pages: 1137
Release: 2012-04-09
Genre: Science
ISBN: 1107079977

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Crustal evolution means the resultant changes that the Earth's crust has gone through in its geologic past affected by changes in the mantle-crust system, the atmosphere, the hydrosphere and the biosphere. Metallogeny is the genesis of metallic mineral deposits. Both the terms are used in the book in their conventional sense, but keeping in mind an Indian context. This book is the first of its kind to document in detail the nature, origin and evolution of mineral deposits in India and is contextualized in local, regional and global geology. The book is unique in that it combines both metallogeny and crustal evolution that were hitherto treated as stand-alone topics. The exhaustive chapters in the book carry detailed case studies of the distribution and occurrence of ores. The book would be useful to students of advanced geology, researchers, teachers, planners and global metallogeneticists around the world.

Geodynamics of the Indian Plate

Geodynamics of the Indian Plate
Author: Neal Gupta
Publisher: Springer Nature
Total Pages: 574
Release: 2020-02-28
Genre: Science
ISBN: 3030159892

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This book provides insights on new geological, tectonic, and climatic developments in India through a time progression from the Archean to the Anthropocene that are captured via authoritative entries from experts in earth sciences. This volume aims to bring graduate students and researchers up to date on the geodynamic evolution of the Indian Plate; concepts that have so far resulted in a rather uneven treatment of the subject at different institutions. The book is divided into 4 sections and includes perspectives such as the formation and evolution of the Indian crust in comparison to its neighbors such as Antarctica, Africa and Australia; the evolution of Precambrian cratons and sedimentary basins of India; and a summary account of early life reported in the Indian stratigraphic record. Readers will also discover the key recent research into the neotectonics, tectonic geomorphology, and paleoseismology of the Himalayan Front. Researchers and students in geology, earth sciences, sedimentology, paleobiology and geography will find this book appealing.

Geological Evolution of Antarctica

Geological Evolution of Antarctica
Author: Michael Robert Alexander Thomson
Publisher: Cambridge University Press
Total Pages: 0
Release: 2011-04-28
Genre: Science
ISBN: 9780521188906

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Geological Evolution of Antarctica is a collection of papers presented at the Fifth International Symposium on Antarctic Earth Sciences, held under the auspices of the Scientific Committee on Antarctic Research (SCAR) at Robinson College, Cambridge, 23-28 August 1987. Contributors were invited to address problems related to the tectonic evolution of the Antarctic crust and the palaeoenvironmental evolution of Antartica since the Late Mesozoic. One hundred and seventy two papers and posters were presented, of which one hundred and fifteen are included in this volume. Papers dealing with the crustal development of Antarctica are divided into major geographical areas and arranged in chronostratigraphic order. The first four sections in this group cover the craton, the Transantarctic Mountains, Weddell Sea-Ross Sea region and the Pacific margin; the last addresses aspects of Gondwana break-up. A final group of papers discusses some of the environmental changes arising from the break-up of Gondwana.

Climate Change and the White World

Climate Change and the White World
Author: Prem Shankar Goel
Publisher: Springer Nature
Total Pages: 238
Release: 2019-10-14
Genre: Science
ISBN: 3030216799

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This book showcases the results of studies pertaining to climate changes in the Polar Regions - Arctic-Antarctic-Himalaya. It discusses the significant variations due to thinning of sea ice in the Arctic, insights on the first Indian Arctic multi-sensor mooring (IndARC), political context of major geological and tectonic features of Arctic Ocean, climate change and its predicted impacts on fisheries and coastal communities. The book also contains the work pursued under the National Mission for Sustaining the Himalayan Ecosystems, aiming towards strengthening the capacities of farmers through appropriate Lab-to-Land intervention to combat climate change issues. Discussions on various models like WRF (Weather Research and Forecasting), Regional Climate Model (RegCM4) pertaining to Himalaya have been highlighted to gain more insights on climate change.

Geological Evolution of the Precambrian Indian Shield

Geological Evolution of the Precambrian Indian Shield
Author: M.E.A. Mondal
Publisher: Springer
Total Pages: 753
Release: 2018-05-26
Genre: Science
ISBN: 3319896989

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This book presents findings from research into the Precambrian history of the Indian shield obtained using state-of-the-art technology. It demonstrates a paradigm shift towards studying the Precambrian shield regions using petrological, geochemical, structural, metallogenic, sedimentological and paleobiological data from the rocks in the Precambrian shield area, and presents a collection of contributions on these diverse topics that help to reconstruct the Precambrian evolution of the Indian Shield.

Advances in Marine and Antarctic Science

Advances in Marine and Antarctic Science
Author:
Publisher: APH Publishing
Total Pages: 470
Release: 2002
Genre: Science
ISBN: 9788176483476

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Contributed articles.

Dyke Swarms - Time Markers of Crustal Evolution

Dyke Swarms - Time Markers of Crustal Evolution
Author: E. Hanski
Publisher: CRC Press
Total Pages: 282
Release: 2006-09-28
Genre: Science
ISBN: 1000006719

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Dyke swarms are remnants of large igneous provinces, and are pointers of continental break-up events, as well as indicators for ancient continental reconstructions. These global geodynamic aspects are of crucial significance in tectonics, and with recent developments in high-precision age, dating it has become possible to enter these short-lived ma

Proterozoic East Gondwana

Proterozoic East Gondwana
Author: Masaru Yoshida
Publisher: Geological Society of London
Total Pages: 486
Release: 2003
Genre: Science
ISBN: 9781862391253

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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.