Neoproterozoic to Middle Palaeozoic Evolution of the Central Asian Orogenic Belt in South-central Mongolia: Chronological and Geochemical Perspectives

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ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (697 download)

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Book Synopsis Neoproterozoic to Middle Palaeozoic Evolution of the Central Asian Orogenic Belt in South-central Mongolia: Chronological and Geochemical Perspectives by :

Download or read book Neoproterozoic to Middle Palaeozoic Evolution of the Central Asian Orogenic Belt in South-central Mongolia: Chronological and Geochemical Perspectives written by and published by . This book was released on 2009 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Mongolia occupies a central position within the eastern branch of the large accretionary Central Asian Orogenic Belt (CAOB) or Altaids. The present work aims to outline the geodynamic environment and possible evolution of this part of the eastern CAOB, predominantly from the Cambrian to the middle Palaeozoic. The investigation primarily focussed on zircon geochronology as well as whole-rock geochemical and Sm- d isotopic analyses for a variety of metaigneous rocks from the southern Hangay and Gobi-Altai regions in south-central Mongolia. The southern slope of the Hangay Mountains in central Mongolia exposes a large NW-SE-trending middle Neoproterozoic ophiolitic complex (c. 650 Ma), which is tectonically integrated within an accretionary complex developed between the Precambrian Baydrag and Hangay crustal blocks. Formation of the entire accretionary system along the north-eastern margin of the Baydrag block mainly occurred during the early Cambrian, but convergence within this orogenic zone continued until the early Ordovician, because of on-going southward subduction-accretion of the Baydrag block. An important discovery is the identification of a late Mesoproterozoic to early Neoproterozoic belt within the northern Gobi-Altai that was reworked during the late Cambrian and throughout the late Ordovician/Devonian. Early Silurian low-grade mafic and felsic metavolcanic rocks from the northern Gobi-Altai display subduction-related geochemical features and highly heterogeneous Nd isotopic compositions, which suggest an origin at a mature active continental margin. Early Devonian protoliths of granodioritic and mafic gneisses from the southern Gobi-Altai display geochemical and Nd isotopic compositions compatible with derivation and evolution from predominantly juvenile crustal and mantel sources and these rocks may have been emplaced within the outboard portion of the late Ordovician/early Silurian active continental margin. Moreover, middle Devonian low-grade metavolc.

Paleozoic and Mesozoic tectonic evolution of central and eastern Asia

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Publisher : Geological Society of America
ISBN 13 : 9780813711942
Total Pages : 612 pages
Book Rating : 4.7/5 (119 download)

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Book Synopsis Paleozoic and Mesozoic tectonic evolution of central and eastern Asia by : Gregory Arlen Davis

Download or read book Paleozoic and Mesozoic tectonic evolution of central and eastern Asia written by Gregory Arlen Davis and published by Geological Society of America. This book was released on 2001 with total page 612 pages. Available in PDF, EPUB and Kindle. Book excerpt: Hendrix (geology, U. of Montana) and Davis (earth sciences, U. of Southern California) present 19 articles detailing ground-based work on the history of assembly and intracontinental deformation of central and eastern Asia. Chapters look at the structural, thermochronologic, and sedimentary records of the history of Paleozoic assembly in Mongolia and central and western China. Further information is presented on Mesozoic deformation in orogenic belts of central and eastern Asia. Asia's sedimentary basins are examined and the intracontinental deformation they record is documented. Many of these contributions, particularly the papers examining Mongolian geology, are the first ground-based articles written in English. Annotation c. Book News, Inc., Portland, OR (booknews.com)

Lithospheric diversity: New perspective on structure, composition and evolution

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Publisher : Frontiers Media SA
ISBN 13 : 2832523854
Total Pages : 229 pages
Book Rating : 4.8/5 (325 download)

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Book Synopsis Lithospheric diversity: New perspective on structure, composition and evolution by : Weijia Sun

Download or read book Lithospheric diversity: New perspective on structure, composition and evolution written by Weijia Sun and published by Frontiers Media SA. This book was released on 2023-05-18 with total page 229 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Polycyclic evolution of the Eastern Central-Asia orogenic belt

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ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (883 download)

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Book Synopsis Polycyclic evolution of the Eastern Central-Asia orogenic belt by : Guanzhong Shi

Download or read book Polycyclic evolution of the Eastern Central-Asia orogenic belt written by Guanzhong Shi and published by . This book was released on 2013 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: It is hotly debated about the final closural time and position of the Paleo-Asian Ocean. Some geologists advocated the “Solonker” suture marks the final closural zone in Permian, whereas others insist in middle Paleozoic. Our three study areas, the Hongqi, the Ondor Sum and the Mandula is essential and important to solve those controversies. The litho-tectonic units recognized in the Hongqi-Ondor Sum area include the Hongqi-Ondor Sum mélange belt, the Bainaimiao arc belt, North China Craton and post-orogenic unconformably sedimentary rocks. The Hongqi-Ondor Sum mélange belt experienced two phase ductile deformation and one phase ductile-brittle deformation. D1 is responsible for the regional greenschist foliation S1, elongated mineral lineation L1, and intrafolial fold F1. The kinematic criteria indicates a top-to-the-NW shearing sense. D2 is characterized by various sized of unsymmetrical folds with nearly NE axis corresponding to the NW thrust shearing. D3 formed the regional framework in the Hongqi and the Ondor Sum areas. The Mandula area contains olistostrome sediments, turbiditic sediments and volcano-sedimentary rocks. Detrital zircon grains in sedimentary samples argue the Mandula study area received the southern Bainaimiao arc materials and coeval Permian volcanic erupting materials nearby. The sediments and volcanic rocks in Mandula area subject a nearly NW-SE or N-S compressional shortening. The geological data support that an Early Paleozoic subduction and collsioan, Late Palezoic rifting and rift closure model. The so called “Solonker” ophiolitic fragments indeed are olistostrome. Typical ophiolite components are not observed in the Mandula area.

GEOCHEMISTRY & GEOCHRONOLOGY O

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Publisher : Open Dissertation Press
ISBN 13 : 9781361036723
Total Pages : 212 pages
Book Rating : 4.0/5 (367 download)

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Book Synopsis GEOCHEMISTRY & GEOCHRONOLOGY O by : Xiaoran Zhang

Download or read book GEOCHEMISTRY & GEOCHRONOLOGY O written by Xiaoran Zhang and published by Open Dissertation Press. This book was released on 2017-01-26 with total page 212 pages. Available in PDF, EPUB and Kindle. Book excerpt: This dissertation, "Geochemistry and Geochronology of Paleozoic Sedimentary and Plutonic Rocks in the Eastern Tianshan: Implications for the Evolution of the Southern Central Asian Orogenic Belt" by Xiaoran, Zhang, 张晓冉, was obtained from The University of Hong Kong (Pokfulam, Hong Kong) and is being sold pursuant to Creative Commons: Attribution 3.0 Hong Kong License. The content of this dissertation has not been altered in any way. We have altered the formatting in order to facilitate the ease of printing and reading of the dissertation. All rights not granted by the above license are retained by the author. Abstract: The Eastern Tianshan Belt (ETB) represents an important component of the southern Central Asian Orogenic Belt (CAOB) between Eastern Europe-Siberia and Tarim-North China, and thus its evolution is of vital importance in understanding the evolution of the southern CAOB. Although extensive investigations were carried out on the ETB in the last decade, controversies still surround the accretionary and collisional processes operative during the development of one microcontinent (Central Tianshan; CTS) and two oceans (Junggar and South Tianshan). This Ph.D. research attempts to resolve the controversial issues by incorporating detrital zircon study with petrological, geochronological and geochemical investigations on Paleozoic sedimentary/magmatic rocks in the ETB. New detrital zircon studies on late Paleozoic (meta-)sedimentary rocks from the North (NTS) and South Tianshan (STS) indicate that the CTS was once part of the northern Tarim during Precambrian time because of their indistinguishable detrital zircon age profiles and Hf isotope compositions. Particularly, Ordovician-Silurian (475-440 Ma) detrital zircons with low negative εHf(t) values predominatein Paleozoic sediments in and surrounding the CTS (including northern Tarim), suggesting that coeval magmatic rocks constituted the main body of the CTS at that time. In combination with previous studies, the CTS most probably developed as a continental arc along the northern Tarim, facing the subduction of the Junggar oceanic plate in the early Paleozoic, with its crust progressively thickened in a compressional environment during subduction zone advance, which gave rise to the generation of thickened lower curst-derived adakitic rocks in the CTS at 450 Ma. Through applying zircon Hf isotope mapping of Paleozoic (500-380 Ma) magmatism from different tectonic units of the ETB, the incipient opening of the STS back-arc basin along the northern Tarim is restricted to have occurred in the Late Ordovician, which is consistent with the discovery of 450 Ma adakitic rocks in the CTS and is further substantiated by the fact that well-defined ophiolitic rocks in the STS are mostly younger than 445 Ma. The opening of the STS back-arc basin, accompanied with the separation of the CTS as a microcontinent, was probably triggered by the concurrent rollback of the Junggar oceanic plate, resulting in a regional tectonic switching from subduction zone advance (before 450 Ma) to retreat (since 450-440 Ma), as supported by the immediate change in detrital zircon εHf(t) values from dominantly negative to positive, the exhumation of high-pressure mafic granulites at the northern margin of the CTS at 430 Ma and the emergence of a series of Devonian-Carboniferous island arcs in the Junggar Ocean. The closure of the eastern segment of the STS Ocean between CTS and Beishan most likely took place in the Late Devonian, as evidenced by the occurrence of 380 Ma regional metamorphism in the southern CTS, whereas the Junggar Ocean was most probably closed in the latest Carboniferous, as evidenced by recognition of 300 Ma regional metamorphism in the northern CTS, consistent with 325-310 Ma mafic-felsic magmatism showing subduction-related signatures and 290 Ma mafic plutons exhibiting within-plate basalt affinities. Subjects:

AGES GEOCHEMISTRY & TECTONIC S

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Publisher : Open Dissertation Press
ISBN 13 : 9781361036372
Total Pages : 260 pages
Book Rating : 4.0/5 (363 download)

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Book Synopsis AGES GEOCHEMISTRY & TECTONIC S by : Wenzhu Hou

Download or read book AGES GEOCHEMISTRY & TECTONIC S written by Wenzhu Hou and published by Open Dissertation Press. This book was released on 2017-01-26 with total page 260 pages. Available in PDF, EPUB and Kindle. Book excerpt: This dissertation, "Ages, Geochemistry and Tectonic Settings of the Paleozoic-Mesozoic Rocks Along the Hegenshan-Heihe Suture Zone in the Eastern Segment of the Central Asian Orogenic Belt" by Wenzhu, Hou, 侯文竹, was obtained from The University of Hong Kong (Pokfulam, Hong Kong) and is being sold pursuant to Creative Commons: Attribution 3.0 Hong Kong License. The content of this dissertation has not been altered in any way. We have altered the formatting in order to facilitate the ease of printing and reading of the dissertation. All rights not granted by the above license are retained by the author. Abstract: The Hegenshan-Heihe belt (HHB) represents a suture zone resulting from the collision of the Xing'an and Songliao blocks located in the eastern segment of the Central Asian Orogenic Belt (CAOB). The formation of the HHB marks the destruction of the oceanic lithosphere and the closure of the Paleo-Asian Ocean (PAO). It has been a long-time debate regarding the tectonic evolution of the Xing'an and Songliao blocks and the intervening ocean during Paleozoic time, particularly the final closure timing of the PAO along the HHB. This project is aimed to address these issues by integrating the geochronology and geochemistry of the Paleozoic volcanic rocks and their tectonic setting with the detrital zircon data. The geochronological and geochemical data for two suites of the Paleozoic volcanic and sedimentary rocks suggest two long-lived island-arc systems along the southern margin of the Xing'an block and the northern margin of the Songliao Block. LA-ICP-MS zircon U-Pb dating results indicate that the Ordovician volcanic rocks developing at the southern margin of the Xing'an block erupted at ca. 447Ma and geochemically resemble the arc-related volcanism with strongly enriched LREE and LILE. The zircon ages also revealed the basement information of the Xing'an block by yielding age populations similar to 2.5, 1.8, 1.2, and 0.8 Ga from the inherited zircons, most likely shed from the deep continental crust during the magma migration and contamination. Similar features were also discovered in the locally deposited Silurian-Devonian sedimentary strata. This study suggests an Andean-type continental margin developing at the southern margin of the Xing'an block, associated with the northward subduction of the PAO from Ordovician to Devonian (ca.465-392Ma). The Carboniferous volcanic rocks developed at the northern margin of the Songliao block, associated with the coevally deposited sedimentary strata, showing a close affinity with oceanic island-arc, and the sedimentary strata formed in a back-arc/forearc basin. This study also suggests a Western Pacific-type subduction and arc-basin system developing at the northern margin of the Songliao block during Ordovician to Carboniferous time (ca. 452-315 Ma). The detrital zircon analysis suggests that a provenance transfer for the sedimentary strata developing in the HHB took place between the Late Carboniferous and Permian, with the Carboniferous strata sourcing Paleozoic detritus from the isolated island-arcs and the Permian strata sourcing Precambrian detritus from the approximate continent. Integrated with the previously reported data, this study suggests that the final closure of the PAO along the HHB occurred at some time between 303-312 Ma. This study also reports a suite of Mesozoic bimodal volcanic rocks in Zhalantun area, which was previously thought to be Permian in age, namely the Dashizhai formation. This suite of volcanic rocks formed in a regional extensional environment, which was mostly likely induced by the post-collisional extension of the eastern CAOB. On the basis of new data presented in this thesis combined with previous studies, I present a new tectonic model for the Paleozoic subduction and collision followed by a Mesozoic extension for the Hegenshan-Heihe suture zone. Subjects: Suture zones (Structural geology)

Main Tectonic Events and Metallogeny of the North China Craton

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Publisher : Springer
ISBN 13 : 9811010641
Total Pages : 535 pages
Book Rating : 4.8/5 (11 download)

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Book Synopsis Main Tectonic Events and Metallogeny of the North China Craton by : Mingguo Zhai

Download or read book Main Tectonic Events and Metallogeny of the North China Craton written by Mingguo Zhai and published by Springer. This book was released on 2016-07-25 with total page 535 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book focuses on the metallogeny and main tectonic events of the North China Craton from early Precambrian to Phanerozoic. It covers the Archean crustal growth, Paleoproterozoic rifting-subduction-collision processes, Great Oxidation Event, Meso-Neoproterozoic multiple rifting, Phanerozoic reworking of the North China Craton, as well as metallogeny related to above different processes. The North China Craton is one of the oldest cratons in the world. It has experienced a complex geological evolution since the early Precambrian, and carries important records of secular changes in tectonics and metallogeny. It provides a systematic review and new results on the growth and evolution of the North China Craton and metallogeny. It will be of broad interest to the earth scientists working in the fields of economic geology, geochemistry, and tectonics of the North China Craton and eastern Asian.

The Nature and Origin of Granite

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Publisher : Springer Science & Business Media
ISBN 13 : 9401158320
Total Pages : 416 pages
Book Rating : 4.4/5 (11 download)

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Book Synopsis The Nature and Origin of Granite by : W.S. Pitcher

Download or read book The Nature and Origin of Granite written by W.S. Pitcher and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 416 pages. Available in PDF, EPUB and Kindle. Book excerpt: The origin of granite has for long fascinated geologists though serious debate on the topic may be said to date from a famous meeting of the Geological Society of France in 1847. My own introduction to the subject began exactly one hundred years later when, in an interview with Profes sor H. H. Read, I entered his study as an amateur fossil collector and left it as a committed granite petrologist - after just ten minutes! I can hardly aspire to convert my reader in so dramatic a way, yet this book is an attempt, however inadequate, to pass on the enthusiasm that I inherited, and which has been reinforced by innumerable discussions on the outcrop with granitologists of many nationalities and of many shades of opinion. Since the 1960s, interest in granites has been greatly stimulated by the thesis that granites image their source rocks in the inaccessible deep crust, and that their diversity is the result of varying global tectonic context. So great a body of new data and new ideas has accumulated that my attempt to review the whole field of granite studies must carry with it a possible charge of arrogance, especially as I have adopted the teaching device of presenting the material from a personal point of view with its thinly disguised prejudices.

Neoproterozoic-Cambrian Tectonics, Global Change and Evolution

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Publisher : Elsevier Science Limited
ISBN 13 : 9780444532497
Total Pages : 466 pages
Book Rating : 4.5/5 (324 download)

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Book Synopsis Neoproterozoic-Cambrian Tectonics, Global Change and Evolution by : Claudio Gaucher

Download or read book Neoproterozoic-Cambrian Tectonics, Global Change and Evolution written by Claudio Gaucher and published by Elsevier Science Limited. This book was released on 2010 with total page 466 pages. Available in PDF, EPUB and Kindle. Book excerpt: The book deals with the record of important Neoproterozoic to Early Palaeozoic events in southwestern Gondwana, that heralded the Cambrian explosion and the dawn of modern ecosystems. It contains a detailed account of the Neoproterozoic to Cambrian geological record in a poorly-known part of the world, which is at the same time key to understand fundamental processes at the Proterozoic-Cambrian transition. The emphasis is placed on litho-, bio-, chemostratigraphy and magmatism. The palaeoclimatic, tectonic, evolutionary radiation and extinction events and associated mineralizations will be identified and discussed. A synthesis of all data is provided at the end of the book, integrating the data from all cratons and fold belts in southwestern Gondwana. The events will be individualized, their impact discussed and correlations between different successions both within and outside Gondwana proposed. The book is organized in three sections. Section one is an introduction to the neoproterozoic and Cambrian seen as a time of upheavals, extremes and innovations. Section two comprises nineteen chapters dealing with the neoproterozoic-Cambrian events in southwestern Gondwana. Section three will provide a synthesis on every major topic, and a critical assessment of the global implications of the presented data. * The book deals with the record of important Neoproterozoic to Early Palaeozoic events in southwestern Gondwana, that heralded the Cambrian explosion and the dawn of modern ecosystems. It contains a detailed account of the Neoproterozoic to Cambrian geological record in a poorly-known part of the world, which is at the same time key to understand fundamental processes at the Proterozoic-Cambrian transition. The emphasis is placed on litho-, bio-, chemostratigraphy and magmatism.

4-D Framework of Continental Crust

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Publisher : Geological Society of America
ISBN 13 : 0813712009
Total Pages : 656 pages
Book Rating : 4.8/5 (137 download)

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Book Synopsis 4-D Framework of Continental Crust by : Robert D. Hatcher

Download or read book 4-D Framework of Continental Crust written by Robert D. Hatcher and published by Geological Society of America. This book was released on 2007 with total page 656 pages. Available in PDF, EPUB and Kindle. Book excerpt: "This book contains landmark papers on the processes of formation of continental crust from its beginnings in the Archean to modern processes, as well as discussions of several ancient and modern orogenic belts. The book is international in scope, with contributions from geoscientists dealing with crustal processes on five continents, and articles from more than 50 non-U.S. authors and co-authors."--Publisher's website.

The Neoproterozoic-Early Paleozoic Tectonic Evolution of the Peri-Gondwanan Margin of the Appalachian Orogen: An Integrated Geochronological, Geochemical and Isotopic Study from North Carolina and Newfoundland

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Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (656 download)

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Book Synopsis The Neoproterozoic-Early Paleozoic Tectonic Evolution of the Peri-Gondwanan Margin of the Appalachian Orogen: An Integrated Geochronological, Geochemical and Isotopic Study from North Carolina and Newfoundland by :

Download or read book The Neoproterozoic-Early Paleozoic Tectonic Evolution of the Peri-Gondwanan Margin of the Appalachian Orogen: An Integrated Geochronological, Geochemical and Isotopic Study from North Carolina and Newfoundland written by and published by . This book was released on 2002 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: LAM-ICP-MS U-Pb dates are reported from more than 1000 detrital zircons from the Neoproterozoic-early Paleozoic clastic sequences of Carolinia and Avalonia. The majority of analyzed zircon grains from Carolinia are late Neoproterozoic with minor amounts of MesoproterozoicD aleozoic and accessory Archean grains. The overall distribution of age populations of detrital zircons is consistent with derivation from the Amazonian craton and its peripheral orogenic belts on the margin of west Gondwana. The dominance of Ediacaran-early Paleozoic zircons in the Albemarle sequence suggests an underlying local protosource and deposition occurring synchronously with arc magmatism. Neoproterozoic rocks of the type area of Avalonia are dominated by Ediacaran zircons. Early Paleozoic platform units contain an abundance of grains that have ages between 1.0-1.6 Ga, with lesser Paleoproterozoic and Archean zircons. These ages are inconsistent with recycling from underlying Neoproterozoic rocks and indicate that Avalonia's provenance is a Gondwanan craton that contains Archean, Paleo-, Meso- and Neoproterozoic rocks. These data are inconsistent with a West African provenance and suggest that Avalonia originated along the margin of the Amazonian craton. The prominent change in provenance is interpreted to be related to separation of Avalonia from Gondwana during the Early Ordovician opening of the Rheic Ocean. In central North Carolina, mafic rocks of the Stony Mountain gabbro are characterized by variable LREE enrichment, prominent negative Nb anomalies and low NbD h ratios; features of tholeiitic basalts in modern island-arc, subduction related lavas. Nd isotope data indicate juvenile magmas consistent with derivation from lithospheric and asthenospheric sources during decompression melting of the mantle. The Stony Mountain gabbro can be modeled as the product of 10- 5% hydrous partial melting of variable mixtures of MORB- and OIB-like mantle sources overprinted by a.

Polycyclic Paleozoic Tectono-metamorphic Evolution of the Southern Chinese Altai, Central Asian Orogenic Belt

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Publisher :
ISBN 13 :
Total Pages : 271 pages
Book Rating : 4.:/5 (11 download)

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Book Synopsis Polycyclic Paleozoic Tectono-metamorphic Evolution of the Southern Chinese Altai, Central Asian Orogenic Belt by : Arnaud Broussolle

Download or read book Polycyclic Paleozoic Tectono-metamorphic Evolution of the Southern Chinese Altai, Central Asian Orogenic Belt written by Arnaud Broussolle and published by . This book was released on 2018 with total page 271 pages. Available in PDF, EPUB and Kindle. Book excerpt:

The Mesoproterozoic to Paleozoic Crustal Growth and Rejuvenation in the Central Asian Orogenic Belt

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Publisher :
ISBN 13 :
Total Pages : 60 pages
Book Rating : 4.:/5 (12 download)

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Book Synopsis The Mesoproterozoic to Paleozoic Crustal Growth and Rejuvenation in the Central Asian Orogenic Belt by : 林子浩

Download or read book The Mesoproterozoic to Paleozoic Crustal Growth and Rejuvenation in the Central Asian Orogenic Belt written by 林子浩 and published by . This book was released on 2017 with total page 60 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Precambrian Geology of China

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Publisher : Springer
ISBN 13 : 3662478854
Total Pages : 389 pages
Book Rating : 4.6/5 (624 download)

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Book Synopsis Precambrian Geology of China by : Mingguo Zhai

Download or read book Precambrian Geology of China written by Mingguo Zhai and published by Springer. This book was released on 2015-08-11 with total page 389 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.

Pre-carboniferous Evolution of the San Rafael Block, Argentina

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Publisher : Springer
ISBN 13 : 9783319843292
Total Pages : 0 pages
Book Rating : 4.8/5 (432 download)

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Book Synopsis Pre-carboniferous Evolution of the San Rafael Block, Argentina by : Carlos Alberto Cingolani

Download or read book Pre-carboniferous Evolution of the San Rafael Block, Argentina written by Carlos Alberto Cingolani and published by Springer. This book was released on 2018-05-08 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Pre-carboniferous Evolution of the San Rafael Block, Argentina

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Publisher :
ISBN 13 : 9783319501529
Total Pages : 267 pages
Book Rating : 4.5/5 (15 download)

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Book Synopsis Pre-carboniferous Evolution of the San Rafael Block, Argentina by : Carlos Alberto Cingolani

Download or read book Pre-carboniferous Evolution of the San Rafael Block, Argentina written by Carlos Alberto Cingolani and published by . This book was released on 2017 with total page 267 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Terrane Processes at the Margins of Gondwana

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Publisher : Geological Society of London
ISBN 13 : 9781862391796
Total Pages : 462 pages
Book Rating : 4.3/5 (917 download)

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Book Synopsis Terrane Processes at the Margins of Gondwana by : Alan Vaughan

Download or read book Terrane Processes at the Margins of Gondwana written by Alan Vaughan and published by Geological Society of London. This book was released on 2005 with total page 462 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Australide orogen, the southern hemisphere Neoproterozoic to Mesozoic terrane accretionary orogen that forms the palaeo-Pacific margin of Gondwana, is one of the largest and longest-lived orogens on Earth. This book brings together a series of reviews and multidisciplinary research papers that comprehensively cover the Australides from the Tasman orogen of eastern Australia to the Neoproterozoic and Palaeozoic orogens of South America, taking in New Zealand and Antarctica along the way. It deals with the evolution of the southern Gondwana margin, as it grew during a series of terrane accretion episodes from the late Proterozoic through to final fragmentation in mid-Cretaceous times. Global perspectives are given by comparison with the Palaeozoic northern Gondwana margin and documentation of world-wide terrane accretion episodes in the Late Triassic-Early Jurassic and mid-Cretaceous. The Tasmanides of eastern Australia, and the terrane histories of New Zealand and southern South America are given comprehensive up-to-date reviews.