Sedimentary and Tectonic Evolution of the Cenozoic Chaco Foreland Basin, Southern Bolivia PDF Download
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Author: Carola Hulka
Publisher:
ISBN:
Category :
Languages : en
Pages : 107
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Author: Carola Hulka
Publisher:
ISBN:
Category :
Languages : en
Pages : 107
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Author: Cathy Busby
Publisher: John Wiley & Sons
ISBN: 1444347144
Category : Science
Languages : en
Pages : 1034
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Book Description
Investigating the complex interplay between tectonics and sedimentation is a key endeavor in modern earth science. Many of the world's leading researchers in this field have been brought together in this volume to provide concise overviews of the current state of the subject. The plate tectonic revolution of the 1960's provided the framework for detailed models on the structure of orogens and basins, summarized in a 1995 textbook edited by Busby and Ingersoll. Tectonics of Sedimentary Basins: Recent Advances focuses on key topics or areas where the greatest strides forward have been made, while also providing on-line access to the comprehensive 1995 book. Breakthroughs in new techniques are described in Section 1, including detrital zircon geochronology, cosmogenic nuclide dating, magnetostratigraphy, 3-D seismic, and basin modelling. Section 2 presents the new models for rift, post-rift, transtensional and strike slip basin settings. Section 3 addresses the latest ideas in convergent margin tectonics, including the sedimentary record of subduction intiation and subduction, flat-slab subduction, and arc-continent collision; it then moves inboard to forearc basins and intra-arc basins, and ends with a series of papers formed under compessional strain regimes, as well as post-orogenic intramontane basins. Section 4 examines the origin of plate interior basins, and the sedimentary record of supercontinent formation. This book is required reading for any advanced student or professional interested in sedimentology, plate tectonics, or petroleum geoscience. Additional resources for this book can be found at: www.wiley.com/go/busby/sedimentarybasins.
Author: Carina Hoorn
Publisher: John Wiley & Sons
ISBN: 1444360256
Category : Science
Languages : en
Pages : 869
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Book Description
The book focuses on geological history as the critical factor in determining the present biodiversity and landscapes of Amazonia. The different driving mechanisms for landscape evolution are explored by reviewing the history of the Amazonian Craton, the associated sedimentary basins, and the role of mountain uplift and climate change. This book provdes an insight into the Meso- and Cenozoic record of Amazonia that was characterized by fluvial and long-lived lake systems and a highly diverse flora and fauna. This fauna includes giants such as the ca. 12 m long caiman Purussaurus, but also a varied fish fauna and fragile molluscs, whilst fossil pollen and spores form relics of ancestral swamps and rainforests. Finally, a review the molecular datasets of the modern Amazonian rainforest and aquatic ecosystem, discussing the possible relations between the origin of Amazonian species diversity and the palaeogeographic, palaeoclimatic and palaeoenvironmental evolution of northern South America. The multidisciplinary approach in evaluating the history of Amazonia has resulted in a comprehensive volume that provides novel insights into the evolution of this region.
Author: Cornelius Eji Uba
Publisher:
ISBN:
Category :
Languages : en
Pages : 108
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Author: Matthew J. Kohn
Publisher: Walter de Gruyter GmbH & Co KG
ISBN: 1501508601
Category : Science
Languages : en
Pages : 288
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Book Description
Volume 66 of Reviews in Mineralogy and Geochemistry is based on a two day short course entitled Paleoaltimetry: Geochemical and Thermodynamic Approaches held prior to the Geological Society of American annual meeting in Denver, Colorado (October 26-27, 2007). This meeting and volume were sponsored by the Geochemical Society, Mineralogical Society of America, and the United States Department of Energy. Contents: The Significance of Paleotopography Stable Isotope-Based Paleoaltimetry: Theory and Validation Paleoelevation Reconstruction Using Pedogenic Carbonates Stable Isotope Paleoaltimetry in Orogenic Belts – The Silicate Record in Surface and Crustal Geological Archives Paleoaltimetry from Stable Isotope Compositions of Fossils A Review of Paleotemperature–Lapse Rate Methods for Estimating Paleoelevation from Fossil Floras Paleoaltimetry: A Review of Thermodynamic Methods Paleoelevation Measurement on the Basis of Vesicular Basalts Stomatal Frequency Change Over Altitudinal Gradients: Prospects for Paleoaltimetry Thermochronologic Approaches to Paleotopography Terrestrial Cosmogenic Nuclides as Paleoaltimetric Proxies
Author: Amanda Zulema Calle Peralta
Publisher:
ISBN:
Category :
Languages : en
Pages : 248
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Evolution of the Subandean fold-thrust belt and adjacent Chaco foreland basin since their inception ~20 Myr ago has involved shortening, crustal thickening and flexural loading along the eastern margin of the central Andes in Bolivia. Few studies have assessed the linkages among surface processes and threshold responses to climate change, tectonics, and/or catchment-area modification in this thin-skinned fold-thrust belt and coupled foreland basin. Analyses of stratigraphic variations and sediment provenance within two of the proximal, westernmost sections of the Subandean zone (Bartolo and Emborozú localities) are consistent with an eastward advancing synorogenic fold-thrust system guiding deposition and facies migration within several foreland depozones. Results from Cenozoic detrital zircon U-Pb geochronology, conglomerate clast compositions, sandstone petrography and paleocurrent analyses provide information on the gradual eastward diachroneity of upward-coarsening successions and fluvial megafan deposits. New and published zircon U-Pb data for interbedded Miocene tuffs and an updated magnetostratigraphic analysis contribute to the interpretation of depositional ages and changes in sediment accumulation rates. Regionally, the Neogene sedimentation history shows a gradually subsiding basin until 8 Ma with progressively coarser facies up to 6 Ma. High accumulation rates for proximal alluvial-fan facies and proximal fluvial megafan deposits after 6 Ma are identified and correlated with their distal counterparts in the Chaco basin. Evidence for the introduction of progressively younger rocks in uplifted sediment source areas, as documented by conglomerate counts and detrital zircon age populations, lead us to interpret protracted unroofing and sediment dispersal from the Eastern Cordillera-Interandean Zone commencing at ~23 Ma, followed by initial propagation of the deformation front into the Subandean Zone at ~20-15 Ma (as estimated from new tuff ages and accumulation rates). A temporal shift from axial to transverse fluvial drainage recorded by paleocurrent data reinforces evidence for an eastward advancing depocenter and structural partitioning of the older segments of the foreland basin, particularly from 6 Ma to present. Continued exhumation and enhancement of the drainage areas to the west (i.e., Eastern Cordillera, Interandean Zone, and actively deforming Subandean zone) reflect changes in the accumulation of coarser lithofacies in proximal areas and delivery of significant sediment volumes to modern fluvial megafans of the Chaco plain.
Author: James S. Albert
Publisher: Univ of California Press
ISBN: 0520948505
Category : Science
Languages : en
Pages : 406
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Book Description
The fish faunas of continental South and Central America constitute one of the greatest concentrations of aquatic diversity on Earth, consisting of about 10 percent of all living vertebrate species. Historical Biogeography of Neotropical Freshwater Fishes explores the evolutionary origins of this unique ecosystem. The chapters address central themes in the study of tropical biodiversity: why is the Amazon basin home to so many distinct evolutionary lineages? What roles do ecological specialization, speciation, and extinction play in the formation of regional assemblages? How do dispersal barriers contribute to isolation and diversification? Focusing on whole faunas rather than individual taxonomic groups, this volume shows that the area’s high regional diversity is not the result of recent diversification in lowland tropical rainforests. Rather, it is the product of species accumulating over tens of millions of years and across a continental arena.
Author: Peter G. DeCelles
Publisher: Geological Society of America
ISBN: 0813712122
Category : History
Languages : en
Pages : 500
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Book Description
"This memoir brings together results from a multidisciplinary study of the processes that have formed the highest, widest part of the Andean Cordilleran orogenic belt in northern Argentina and Chile. The region features a tectonically erosive forearc, protracted arc magmatism, a high-elevation hinterland plateau and strongly shortened retroarc thrust belt, and a Paleocene-Recent foreland basin system"--
Author:
Publisher: Elsevier
ISBN: 0444538038
Category : Science
Languages : en
Pages : 5604
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Book Description
Treatise on Geophysics, Second Edition, is a comprehensive and in-depth study of the physics of the Earth beyond what any geophysics text has provided previously. Thoroughly revised and updated, it provides fundamental and state-of-the-art discussion of all aspects of geophysics. A highlight of the second edition is a new volume on Near Surface Geophysics that discusses the role of geophysics in the exploitation and conservation of natural resources and the assessment of degradation of natural systems by pollution. Additional features include new material in the Planets and Moon, Mantle Dynamics, Core Dynamics, Crustal and Lithosphere Dynamics, Evolution of the Earth, and Geodesy volumes. New material is also presented on the uses of Earth gravity measurements. This title is essential for professionals, researchers, professors, and advanced undergraduate and graduate students in the fields of Geophysics and Earth system science. Comprehensive and detailed coverage of all aspects of geophysics Fundamental and state-of-the-art discussions of all research topics Integration of topics into a coherent whole
Author: John S. Oldow
Publisher: Geological Society of America
ISBN: 0813724473
Category : Science
Languages : en
Pages : 384
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Book Description
