Archean-Mesoproterozoic Crustal Evolution and Crust-mantle Geodynamics of Western Liaoning-Northeastern Hebei Provinces, North China Craton PDF Download
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Author: Wei Wang
Publisher:
ISBN: 9789811079238
Category : Cratons
Languages : en
Pages :
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Book Description
This thesis presents geological, petrological, geochemical, and zircon U?Pb?Lu?Hf isotopic field data for representative Precambrian lithologies in the Western Liaoning-Northeastern Hebei Provinces along the northern margin of the North China Craton (NCC). It describes late Neoarchean (2.64?2.48 Ga) supracrustal metavolcanic rocks and granitoid gneisses; late Paleoproterozoic (1.72?1.68 Ga) Jianping alkaline plutons and Pinggu alkaline volcanic rocks; and newly discovered ̃1.23 Ga mafic dykes. The nature of magma sources and genesis of each magmatic episode are investigated, and the Precambrian (̃2.6?1.2 Ga) lithospheric mantle evolution and crust-mantle interaction processes are established for the first time?aspects that provide important constraints in our understanding of the Precambrian crustal evolution and geodynamic processes in the region studied.
Author: Wei Wang
Publisher:
ISBN: 9789811079238
Category : Cratons
Languages : en
Pages :
Get Book Here
Book Description
This thesis presents geological, petrological, geochemical, and zircon U?Pb?Lu?Hf isotopic field data for representative Precambrian lithologies in the Western Liaoning-Northeastern Hebei Provinces along the northern margin of the North China Craton (NCC). It describes late Neoarchean (2.64?2.48 Ga) supracrustal metavolcanic rocks and granitoid gneisses; late Paleoproterozoic (1.72?1.68 Ga) Jianping alkaline plutons and Pinggu alkaline volcanic rocks; and newly discovered ̃1.23 Ga mafic dykes. The nature of magma sources and genesis of each magmatic episode are investigated, and the Precambrian (̃2.6?1.2 Ga) lithospheric mantle evolution and crust-mantle interaction processes are established for the first time?aspects that provide important constraints in our understanding of the Precambrian crustal evolution and geodynamic processes in the region studied.
Author: Wei Wang
Publisher: Springer
ISBN: 9811079226
Category : Science
Languages : en
Pages : 320
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Book Description
This thesis presents geological, petrological, geochemical, and zircon U–Pb–Lu–Hf isotopic field data for representative Precambrian lithologies in the Western Liaoning-Northeastern Hebei Provinces along the northern margin of the North China Craton (NCC). It describes late Neoarchean (2.64–2.48 Ga) supracrustal metavolcanic rocks and granitoid gneisses; late Paleoproterozoic (1.72–1.68 Ga) Jianping alkaline plutons and Pinggu alkaline volcanic rocks; and newly discovered ~1.23 Ga mafic dykes. The nature of magma sources and genesis of each magmatic episode are investigated, and the Precambrian (~2.6–1.2 Ga) lithospheric mantle evolution and crust-mantle interaction processes are established for the first time –aspects that provide important constraints in our understanding of the Precambrian crustal evolution and geodynamic processes in the region studied.
Author: Mingguo Zhai
Publisher: Springer
ISBN: 3662478854
Category : Science
Languages : en
Pages : 389
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Book Description
This book is the first contribution to the overview of Precambrian geology of China. It covers Precambrian geology of the North China Craton, the South China Craton and the Tarim Craton, as well as other smaller blocks in the Chinese orogenic belts. It provides systematic concepts of the Chinese paleo-continents and incorporates the most up-to-date achievements. Edited by many of the active researchers working at the forefront of the related fields, it contributes greatly to the international Precambrian geology community and would be of interest to geoscientists working in the research field of geology of China and Precambrian geodynamics.
Author: N.M.W. Roberts
Publisher: Geological Society of London
ISBN: 1862393753
Category : Science
Languages : en
Pages : 356
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Book Description
The continental crust is our archive of Earth history, and the store of many natural resources; however, many key questions about its formation and evolution remain debated and unresolved: What processed are involved in the formation, differentiation and evolution of continental crust, and how have these changed throughout Earth history?How are plate tectonics, the supercontinent cycle and mantle cooling linked with crustal evolution?What are the rates of generation and destruction of the continental crust through time?How representative is the preserved geological record? A range of approaches are used to address these questions, including field-based studies, petrology and geochemistry, geophysical methods, palaeomagnetism, whole-rock and accessory-phase isotope chemistry and geochronology. Case studies range from the Eoarchaean to Phanerozoic, and cover many different cratons and orogenic belts from across the continents.
Author: M. Frey
Publisher: John Wiley & Sons
ISBN: 1444313339
Category : Science
Languages : en
Pages : 325
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Book Description
Low-Grade Metamorphism explores processes and transformations in rocks during the early stages of metamorphic recrystallization. There has been little analysis and documentation of this widespread phenomenon, especially of the substantial and exciting advances that have taken place in the subject over the last decade. This book rectifies that shortfall, building on the foundations of Low-Temperature Metamorphism by Martin Frey (1987). The editors have invited contributions from an internationally acknowledged team of experts, who have aimed the book at advanced undergraduate and graduate students as well as researchers in the field. Contributions from internationally acknowledged experts. Documents the substantial and exciting advances that have taken place in the subject over the last decade.
Author: T.M. Kusky
Publisher: Elsevier
ISBN: 0080473938
Category : Science
Languages : en
Pages : 762
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Book Description
Recent developments have shown that many full and partial ophiolites are preserved in Precambrian cratons. This book provides a comprehensive description and discussion of the field aspects, geochemistry, geochronology and structure of the best of these ophiolites. It also presents syntheses of the characteristics of ophiolites of different ages, and an analysis of what the characteristics of these ophiolites mean for the thermal and chemical evolution of the earth. This title emphasizes new studies of Precambrian Geology that have documented ophiolites, ophiolitic fragments, and ophiolitic melanges in many Precambrian terranes. Each chapter focuses on individual Precambrian ophiolites or regions with numerous Precambrian ophiolites, and covers field aspects, petrology, geochemistry, geochronology, and other descriptive aspects of these ophiolites, it also delves into more theoretical and speculative aspects about the interpretation of the significance of these ancient ophiolites.
Author: Guochun Zhao
Publisher: Newnes
ISBN: 0124076521
Category : Science
Languages : en
Pages : 205
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Book Description
The North China Craton is one of the oldest cratonic blocks in the world, containing rocks as old as 3.85 billion years. Focusing on Neoarchean mantle plumes and Paleoproterozoic plate tectonics, this book combines the results from modern geological research to provide you with a detailed synthesis of the geology, structure, and evolution of the North China Craton. It will be of value to anyone interested in the evolution of cratonic blocks and Precambrian geology as well as geoscientists interested in applying tectonic models to other cratonic blocks globally. This work will also be of interest to geologists concerned with the problems of structure and evolution of the Precambrian continents and supercontinents. - The first book to apply mantle plume and plate tectonics models to understanding the Neoarchean accretion and Paleoproterozoic amalgamation of a craton - Features more than 75 geologic maps, illustrations, diagrams, and microphotographs depicting the progressive stages of the North China Craton's Precambrian evolution - Authored by one of the world's foremost experts in cratonic evolution and mantle plume and plate tectonic modeling
Author: N.C. Pant
Publisher: Geological Society of London
ISBN: 1786203197
Category : Science
Languages : en
Pages : 362
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Book Description
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.
Author: Franco Pirajno
Publisher: Springer Science & Business Media
ISBN: 9400744447
Category : Science
Languages : en
Pages : 689
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Book Description
Extensive descriptions of a wide range of key or world-class mineral deposits of China are presented in the context of the country’s general geology, tectonic units and mineral systems and their geodynamic evolution within the tectonic framework of the Asian continent. This comprehensive overview, incorporating the latest geological concepts, is the first such coverage written in English by a western expert, and will be of benefit to mineral explorers and miners, as well as to research scientists and students in institutions of higher education. In his compilation of this compendium of Chinese geology and mineral systems, Franco Pirajno draws on first-hand knowledge of China’s geology and mineral deposits gained in numerous field visits and research projects with Chinese colleagues from various academic institutions over the past 18 years. First time that a western-based book on China’s geology and mineral deposits is published Appropriate for use by the mineral exploration industry Modern English-language geological and mineral deposits information on China Most useful to Western (and Chinese) geoscientists
Author: S. Mukherjee
Publisher: Geological Society of London
ISBN: 1862397031
Category : Science
Languages : en
Pages : 325
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Book Description
The Himalayan mountain belt, which developed during the India–Asia collision starting about 55 Ma ago, is a dramatically active orogen and it is regarded as the classic collisional orogen. It is characterized by an impressively continuous 2500 km of tectonic units, thrusts and normal faults, as well as large volumes of high-grade metamorphic rocks and granites exposed at the surface. This constitutes an invaluable field laboratory, where amazing crustal sections can be observed directly in very deep gorges. It is possible to unravel the tectonic and metamorphic evolution of litho-units, to observe the mechanisms of exhumation of deep-seated rocks and the propagation of the deformation. Himalayan tectonics has been the target of many studies from numerous international researchers over the years. In the last 15 years there has been an explosion of data and theories from both geological and geophysical perspectives. This book presents the results of integrated multidisciplinary studies, including geology, petrology, magmatism, geochemistry, geochronology and geophysics, of the structures and processes affecting the continental lithosphere. These processes and their spatial and temporal evolution have major consequences on the geometry and kinematics of the India–Eurasia collision zone.
