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Tectonic Evolution And Plateau Uplift Around The Changma Basin In The Qilian Mountains Ne Tibetan Plateau
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Book Synopsis Tectonic Evolution and Plateau Uplift Around the Changma Basin in the Qilian Mountains, NE Tibetan Plateau by : Rowan Emma Vernon
Download or read book Tectonic Evolution and Plateau Uplift Around the Changma Basin in the Qilian Mountains, NE Tibetan Plateau written by Rowan Emma Vernon and published by . This book was released on 2016 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Growth and Collapse of the Tibetan Plateau by : Richard Gloaguen
Download or read book Growth and Collapse of the Tibetan Plateau written by Richard Gloaguen and published by Geological Society of London. This book was released on 2011 with total page 272 pages. Available in PDF, EPUB and Kindle. Book excerpt: Despite agreement on first-order features and mechanisms, critical aspects of the origin and evolution of the Tibetan Plateau, such as the exact timing and nature of collision, the initiation of plateau uplift, and the evolution of its height and width, are disputed, untested or unknown. This book gathers papers dealing with the growth and collapse of the Tibetan Plateau. The timing, the underlying mechanisms, their interactions and the induced surface shaping, contributing to the Tibetan Plateau evolution are tightly linked via coupled and feedback processes. We present interdisciplinary contributions allowing insight into the complex interactions between lithospheric dynamics, topography building, erosion, hydrological processes and atmospheric coupling. The book is structured in four parts: early processes in the plateau formation; recent growth of the Tibetan Plateau; mechanisms of plateau growth; and plateau uplift, surface processes and the monsoon.
Book Synopsis Investigations Into the Tectonics of the Tibetan Plateau by : B. C. Burchfiel
Download or read book Investigations Into the Tectonics of the Tibetan Plateau written by B. C. Burchfiel and published by Geological Society of America. This book was released on 2008 with total page 134 pages. Available in PDF, EPUB and Kindle. Book excerpt: "This volume includes a variety of papers on the tectonics of the Tibetan Plateau and the Iranian Plateau that were presented at the first joint meeting between the Geological Society of America and the Chinese Academy of Sciences. Each paper deals with a different aspect of the geology and/or the geophysics of the tectonic evolution of the plateau. Although most of the papers discuss areas in the northeastern part of the plateau, one concentrates on the complexity of the Cenozoic shear zones in Yunnan and one focuses on the late Cenozoic extensional tectonism along the western margin of the Iranian Plateau. Several papers discuss aspects of Tibetan tectonics not covered in any other papers and arrive at unique interpretations."--Publisher's website.
Book Synopsis Tectonic and Climatic Evolution of the Central-northern Tibetan Plateau by : Lin Li
Download or read book Tectonic and Climatic Evolution of the Central-northern Tibetan Plateau written by Lin Li and published by . This book was released on 2016 with total page 227 pages. Available in PDF, EPUB and Kindle. Book excerpt: "The uplift history of the Tibetan Plateau serves as key evidence for understanding the dynamic models that build the Plateau and its influence on Cenozoic climate change of East Asia. This dissertation contributes to our knowledge for the growth history of the central and northern Tibetan Plateau through sedimentary analysis of basin sequences, and stable isotope analysis of carbonate rocks and modern surface waters. Field work in the Hoh Xil basin of central Tibet, including facies analysis, paleocurrent reconstruction, detrital zircon provenance analysis, and stable isotope analysis, suggests that a unified Hoh Xil basin, including both the east and west sub-basins, experienced a transition from pre-India-Asia collision foreland basin to post-collision hinterland basin setting at around 50 Ma. The Qiangtang terrane, serving as the main source for sediments deposited in the Hoh Xil basin, experienced significant topographic growth during the Cretaceous time. Far field deformation in the Hoh Xil basin was initiated shortly after India-Asia collision; contractional deformation and concomitant filling of the Hoh Xil hinterland basin provides clues for outward and upward growth of the Tibetan Plateau during Cenozoic time. Work in the western Qaidam basin provides new lithostratigraphy and carbonate stable isotope data that records early-middle Miocene topographic growth of the northern Tibetan Plateau. A hydrological change from restricted sub-basin to open marginal basin around 20 Ma was probably caused by late Oligocene-early Miocene tectonic activity around the Qaidam basinches A major topographic growth in the northern Tibetan Plateau is inferred around 15 Ma based on a negative shift in oxygen isotopic values, sedimentary facies changes from marginal lacustrine to fluvial, and an increase in sedimentation rate. A 13-12 Ma aridification event that was observed over a large area of the northern Plateau was likely caused by continued topographic growth to a critical point to block moisture from entering the northern Tibetan Plateau. To understand the caveats of stable isotope-based paleoaltimetry in the central and northern Tibetan Plateau, a comprehensive data set of 1,315 river water samples (450 newly collected) was compiled. With this large data set, a consistently assumed, but not well-documented prerequisite is demonstrated that river waters are a good substitute for isotopic studies of precipitation on the high Tibetan Plateau on the mean annual scale. The spatial variations of [delta]18O/[delta]D and d-excess values in the plateau margins can be modeled as a Rayleigh distillation process, on which stable isotope-based paleoaltimetry is based. On the contrary, the isotopic values of meteoric waters in the interior of the plateau are controlled by the combined effects of mixing of different moisture sources, contribution of recycled moisture from local surface water evaporation, and sub-cloud evaporation. A Rayleigh distillation model modified by sub-cloud evaporation is provided to simulate the isotopic variations in the western Plateau. This new understanding indicates that stable isotope-based paleoaltimetry is most reliable in the southern margins of the Plateau, and increasingly unreliable toward the northern Plateau. In addition, the contour maps of modern isotopic variations of meteoric waters across the whole Tibetan Plateau also provide validation criteria for isotopic simulations using general circulation models"--Pages v-vi.
Book Synopsis Tectonics of the Southeastern Tibetan Plateau and Its Adjacent Foreland by : B. C. Burchfiel
Download or read book Tectonics of the Southeastern Tibetan Plateau and Its Adjacent Foreland written by B. C. Burchfiel and published by Geological Society of America. This book was released on 2012-01-01 with total page 242 pages. Available in PDF, EPUB and Kindle. Book excerpt: "This volume provides a summary of the geology of Eastern and Southeastern Tibet and its foreland. It covers an area of approximately 1.5 million square kilometers in 15 chapters on tectonic units that the authors recognize during 25 years of both field and laboratory study. Each chapter discusses the authors' understanding of the geology and offers interpretations of special geological relations, both local and regional, as well as currently unresolved problems of which there are many in this vast and poorly known region. Chapter 16 summarizes and interprets the preceding chapters. The volume is accompanied by CDs containing four plates: two tectonostratigraphic maps, a map of unconformities and a plate of cross sections, in both Illustrator and ArcGIS formats. This is a unique map presentation and one that the authors suggest as a model for all geological maps"--Provided by publisher.
Book Synopsis Tibetan Plateau Uplift and Environmental Impacts: New Progress and Perspectives by : Yibo Yang
Download or read book Tibetan Plateau Uplift and Environmental Impacts: New Progress and Perspectives written by Yibo Yang and published by Frontiers Media SA. This book was released on 2022-10-20 with total page 407 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Tectonic Evolution of the Northeastern Tibetan Plateau by : Andrew Vincent Zuza
Download or read book Tectonic Evolution of the Northeastern Tibetan Plateau written by Andrew Vincent Zuza and published by . This book was released on 2016 with total page 521 pages. Available in PDF, EPUB and Kindle. Book excerpt: How the Tibetan Plateau was constructed and evolved in response to ongoing India-Asia convergence since 65-55 Ma is fundamental in understanding processes of continental tectonics. Furthermore, the kinematics and mechanisms of plateau formation and continental deformation have implications for the complex interactions between tectonics, erosion, and climate change in Earth's most recent history. To provide insights into these processes, my research is focused on the development of the northern margin of the Tibetan Plateau, which is defined by the 350-km-wide and 1300-km-long Cenozoic Qilian Shan-Nan Shan thrust belt. This active fold and thrust system overprinted a region that has a complex pre-Cenozoic tectonic history involving multiple phases of Proterozoic basement deformation and early Paleozoic orogeny. In this work, I integrate geologic mapping, balanced cross section construction and restoration, seismic reflection interpretation, geochronology, thermobarometry, geodetic data analysis, and analogue modeling to investigate the tectonic development of northern Tibet over a range of timescales, from the Proterozoic evolution of central Asian cratons to the active deformation that is shaping the northern margin of the Tibetan Plateau. The magnitude, style, and distribution of Cenozoic shortening strain across northern Tibet can be used to test competing models of continental deformation. The shortening distribution across the Qilian Shan-Nan Shan thrust belt, derived from surface mapping and subsurface seismic reflection profiles, suggests that the modern thickness and elevation of the northern plateau has developed as a result of southward continental underthrusting of Asia beneath Tibet and distributed crustal thickening. The thrust systems in northern Tibet link to the east with > ~1000-km-long parallel left-slip strike-slip faults (i.e., the Haiyuan, Qinling, and Kunlun faults). The along-strike variation of fault offsets and pervasive off-fault deformation along these strike-slip faults create a strain pattern that departs from the expectations of the classic plate-like rigid-body motion and flow-like distributed deformation models of continental deformation. Instead, I propose that the major strike-slip faults formed as a non-rigid bookshelf-fault system where clockwise rotation of northern Tibet drives left-slip bookshelf faulting and related off-strike-slip fault deformation. In addition, I employ a stress-shadow model that uses the characteristic spacing of strike-slip faults and seismogenic-zone thickness estimates across northern Tibet and central Asia to estimate fault strength and the regional stress state. The strike-slip faults in Asia have a low coefficient of fault friction (~0.15), which may explain why deformation penetrates more than 3500 km into Asia from the Himalayan collisional front, and why the interior of Asia is prone to large (M > 7.0) devastating earthquakes along major strike-slip faults. A well-constrained understanding of Cenozoic deformation across northern Tibet allows for better reconstructions of the Proterozoic and Paleozoic tectonics. Field relationships and geochronologic studies reveal that the early Paleozoic Qilian suture, which bounds the southern margin of the North China craton, records the Ordovician-early Silurian closure of the Qilian Ocean via south-dipping subduction beneath the Qaidam continent. The evolution of this ocean and North China's southern margin has implications for reconstructions of Neoproterozoic and Paleozoic Earth, including the development of the Tethyan and Paleo-Asian Oceanic Domains. By restoring the Phanerozoic deformation along the northern and southern margins of the Tarim and North China cratons, I propose and test a hypothesis that these cratons once stretched westward across present-day Asia, possibly as far west as Baltica, as a continuous Neoproterozoic continent.
Book Synopsis The Tectonic Evolution of Asia by : An Yin
Download or read book The Tectonic Evolution of Asia written by An Yin and published by . This book was released on 1996-01-01 with total page 666 pages. Available in PDF, EPUB and Kindle. Book excerpt: The evolution of Asia has largely occurred over the last 400 million years, and continues today. Seeing a continent in the act of assembly provides a rare opportunity to study the processes by which continents are constructed and internally modified. This book is a collection of twenty-one contributions on the tectonic evolution of Asia. The book is divided into five parts: geodynamic models of the Cenozoic deformation in Asia, seismotectonics, geological evolution of the Himalaya–Karakoram Ranges, tectonics of the Cenozoic Indo–Asia collision, and Mesozoic–Paleozoic assembly of Asia. Several important problems are addressed in detail, including the origin of the Tibetan Plateau, the nature of ultra-high pressure metamorphism in east-central Asia, the accretion of microcontinents to Asia, and the accommodation mechanisms of the Indo-Asian collision. The Tectonic Evolution of Asia provides an authoritative description of our current understanding of Asian tectonics and continental growth for graduate students and researchers.
Book Synopsis Crust-Mantle Thermal Structure and Tectonothermal Evolution of the Tibetan Plateau by : Xianjie Shen
Download or read book Crust-Mantle Thermal Structure and Tectonothermal Evolution of the Tibetan Plateau written by Xianjie Shen and published by VSP. This book was released on 1996-12 with total page 246 pages. Available in PDF, EPUB and Kindle. Book excerpt: This monograph deals with systematic studies of all relevant thermal aspects of the Tibetan Plateau, including terrestrial heat flow measures, distribution pattern of observed heat flow along a N-S profile, crust-mantle thermal structure, and North-Middle-South triple heterogeneity across the whole plateau. Main emphasis has been put on the close correlation between thermal and comprehensive geophysical fields and the intrinsic genetic linkage between tectonic deformation of terranes and thereby induced deep-seated and superficial theral activities and responses. This new approach, in combination with available geoscientific research results, has led to a synthetic idea of integrated tectonothermal evolution of the Tibetan Plateau.
Book Synopsis Late Quaternary Hydrological, Paleoenvironmental and Geomorphological Processes in the Tibetan Plateau and Its Adjacent Areas by : Xiangjun Liu
Download or read book Late Quaternary Hydrological, Paleoenvironmental and Geomorphological Processes in the Tibetan Plateau and Its Adjacent Areas written by Xiangjun Liu and published by Frontiers Media SA. This book was released on 2022-02-23 with total page 263 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Geotectonic Evolution of China by : Chi-shun Jen
Download or read book Geotectonic Evolution of China written by Chi-shun Jen and published by Springer. This book was released on 1987-08 with total page 242 pages. Available in PDF, EPUB and Kindle. Book excerpt: Anyone studying the geology and tectonics of China and who is not able to read Chinese will need to have a copy of this book: Ceotectonic Evolution of China and a companion copy of the Tectonic Map of China, scale 1:4000,000. Professor Huang Jiqing and his collaborators from the Institute of Geology, Chinese Academy of Geological Sciences have provided the English-speaking earth scientists with an extremely valuable tool that can be used towards understanding the geo b;;y of China. The introductory chapter is necessary to read prior to effective use of the material discussed in other chapters as it clearly presents the philosophy of this school of tectonics. The collaborators of the book acknowledge the important changes have been brough about by the plate tectonics theory but do not fully incorporate these ideas into their discussion. The book and map are testimony to the tremendous amount of geologic work accomplished by Chinese geologists in the past fourty years. As our Chinese collea gues begin to publish more English summaries such as this, it will become apparent to the rest of the world the vast amount of geologic mapping along with supportive stratigraphy and geophysics that has already been accomplished. Nearly all major non Chinese tracts on tectonic synthesis of the world treat China in only a cursory fashio)1 because so little is known of the area. With this text and map, future world tectonic synthesis can no longer afford to leave China out of the picture.
Book Synopsis Global Tectonic Zones Supercontinent Formation and Disposal by : Xiao Xuchang
Download or read book Global Tectonic Zones Supercontinent Formation and Disposal written by Xiao Xuchang and published by VSP. This book was released on 1997-09 with total page 184 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book is a collection of papers presented in the 30th International Geological Congress, held in Beijing, on global tectonic zones supercontinent formation and disposal. The papers deal with topics on tectonic framework, and petrology and geochemistry variations of Asian regions.
Book Synopsis Source to Sine Relations Between the Qaidam Basin (Tibet) and the Surrounding Mountains by : Feng Cheng
Download or read book Source to Sine Relations Between the Qaidam Basin (Tibet) and the Surrounding Mountains written by Feng Cheng and published by . This book was released on 2016 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Qaidam basin, located within the northern Tibetan plateau, is the deepest intracontinental basin, yet located in the highest plateau with the thickest continental crust. Understanding how this peculiar basin developed has broad implications for the Tibetan geology in particular and for continental tectonics in general. Many approaches have been used to decipher the tectonic and topographic history of that region, however, the initial topography of the area now represented by the northern Tibetan plateau, as well as the early stages of development of the present day topography remain poorly constrained and highly debated. In order to better understand the Cenozoic evolution of the Qaidam basin and its surrounding regions (including Eastern Kunlun Range to the south, Altyn Tagh Range to the northwest, and Qilian Shan to the northeast), four critical issues are addressed in this thesis: 1) the Cenozoic joint tectonic evolution of the Qaidam basin and the Eastern Kunlun Range; 2) the interplay between the sedimentation within the Qaidam basin and the active tectonics within the Altyn Tagh Range; 3) a quantitative estimate of the lateral extrusion along the Altyn Tagh Fault-Qilian Shan tectonic system; 4) the nature and classification of the Qaidam basin. I suggest that the SW Qaidam basin has been bordered by a series of strike-slip faults to the south since the Early Miocene, rather than, as previously suggested by a continuous northward or southward thrusting system. Based on U-Pb dating (LA-ICP-MS) of detrital zircons collected from 4 sections (Paleocene to Holocene) within the southwestern Qaidam basin combined with provenance analysis and new seismic profile interpretation, I demonstrated that the Eastern Kunlun Range was already exhumed prior to the Paleocene. I show that the Qaidam basin was widening southward during thet early Cenozoic period (Paleocene to Oligocene). From Oligocene the relief of the Eastern Kunlun and Altyn Tagh ranges increased, leading to isolation and narrowing of the Qaidam basin from Miocene to the present. Along the northern edge of the basin, I identified the Tula-Huatugou and Anxi-Eboliang regions as residual parts of the original Qaidam basin. I suggest that the Altyn Tagh Fault has experienced a total of ~360 km of displacement since its Early Eocene initiation. Based on this ~360 km northeastward migration of the relatively rigid Qaidam block along the Altyn Tagh Fault and 3D isovolumetric balance of the crustal deformation within the Altyn Tagh Fault - Qilian Shan system, I demonstrate that 250 ± 28 km (43.8~49.4 %) of N20E directed crustal shortening and an additional ~250 to ~370 km of eastward motion of the Qilian Shan crust must be accounted for by strike-slip faulting in the Qilian Shan and crustal thickening in the Qinling area, as well as extension in the adjoining North China block graben systems.
Book Synopsis Insights Into Cenozoic Tectonics and Climate Change in Northern Tibetan Plateau from Basin Analysis, Thermochronology, and Isotopic Study by : Guangsheng Zhuang
Download or read book Insights Into Cenozoic Tectonics and Climate Change in Northern Tibetan Plateau from Basin Analysis, Thermochronology, and Isotopic Study written by Guangsheng Zhuang and published by . This book was released on 2011 with total page 476 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Cenozoic Basin Evolution of Southern Tarim, Northwestern China by : Peter Edwin Rumelhart
Download or read book Cenozoic Basin Evolution of Southern Tarim, Northwestern China written by Peter Edwin Rumelhart and published by . This book was released on 1998 with total page 536 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Ductile Shear Zones and Tectonic Evolution of Northern Qinghai - Tibet Plateau by : Aijun Ren
Download or read book Ductile Shear Zones and Tectonic Evolution of Northern Qinghai - Tibet Plateau written by Aijun Ren and published by . This book was released on 2002 with total page 594 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Plateau Uplift written by K. Fuchs and published by Springer Science & Business Media. This book was released on 2013-11-11 with total page 427 pages. Available in PDF, EPUB and Kindle. Book excerpt: International Lithosphere Program; Publ. No. 0104
