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Paleozoic–Mesozoic Geology of South Island, New Zealand Subduction-related Processes Adjacent to SE Gondwana

2019-05-09 Science
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Release : 2019-05-09
Genre : Science
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Book Rating : 304/5 ( reviews)

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Book Synopsis Paleozoic–Mesozoic Geology of South Island, New Zealand Subduction-related Processes Adjacent to SE Gondwana by : A.H.F. Robertson

Download or read book Paleozoic–Mesozoic Geology of South Island, New Zealand Subduction-related Processes Adjacent to SE Gondwana written by A.H.F. Robertson. This book was released on 2019-05-09. Available in PDF, EPUB and Kindle. Book excerpt: This volume presents a set of research papers that provide new data and interpretations of the Permian–Triassic terranes of SE Gondwana, now exposed in South Island, New Zealand. Following an introduction for general readers, a historical summary and a review of biostratigraphy, the individual papers primarily focus on the Permian magmatic arc of the Brook Street Terrane, the classic Permian Dun Mountain ophiolite and the Permian–Triassic Maitai Group sedimentary succession. The new results emphasize the role of subduction and terrane displacement adjacent to the Permo-Triassic Gondwana margin, and present fundamental insights into three crustal processes: subduction initiation, supra-subduction zone oceanic crust genesis and forearc basin evolution. The volume concludes with a wide-ranging summary and synthesis of the regional Cambrian to Early Cretaceous tectonostratigraphy of New Zealand’s South Island in relation to the wider areas of Zealandia, East Australia and West Antarctica. The volume will interest geoscientists, including stratigraphers, sedimentologists, palaeontologists, igneous petrologists, geochemists, geochronologists and economic geologists, and is aimed at professional geologists and advanced students of geology.

Biotectonics

2020-10-01 Science
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Release : 2020-10-01
Genre : Science
Kind : eBook
Book Rating : 73X/5 ( reviews)

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Book Synopsis Biotectonics by : Malte C. Ebach

Download or read book Biotectonics written by Malte C. Ebach. This book was released on 2020-10-01. Available in PDF, EPUB and Kindle. Book excerpt: Tectonic plates are constantly moving, either crashing into one another creating a mosaic of mountains and shallow seas, or tearing apart and isolating large swathes of land. In both cases plate tectonics separates populations leading to the evolution of biota. Tectonics is also responsible for the destruction life, for instance when large coral reefs or shallow seas are compressed to form mountain peaks. Could recent research into these processes provide enough evidence to show that tectonics may be the ultimate driver of life on Earth? Our book delves into the current research in tectonics, particularly neotectonics, and its impact on rapid changes on biogeographical classification, also known as bioregionalisation. We also introduce a new term biotectonics that studies the impact of tectonics on biogeoregionalisation. The question we ask is how tectonics directly influences the distribution of biota in four case studies: the Mesozic and early Palaeogene Australides, which spans the Proto-Pacific coast of the South America, Antaractica and Australiasia; and the Neogene of Australia. To conclude we examine the role of neotectonics on tranistion zones and the Amazon Basin and make a case for biotectonic extinction.

Terrane Processes at the Margins of Gondwana

2005 Science
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Release : 2005
Genre : Science
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Book Rating : 796/5 ( reviews)

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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. This book was released on 2005. 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.

Volcanism in Antarctica: 200 Million Years of Subduction, Rifting and Continental Break-up

2021-06-09 Science
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Release : 2021-06-09
Genre : Science
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Book Rating : 36X/5 ( reviews)

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Book Synopsis Volcanism in Antarctica: 200 Million Years of Subduction, Rifting and Continental Break-up by : J.L. Smellie

Download or read book Volcanism in Antarctica: 200 Million Years of Subduction, Rifting and Continental Break-up written by J.L. Smellie. This book was released on 2021-06-09. Available in PDF, EPUB and Kindle. Book excerpt: This memoir is the first to review all of Antarctica’s volcanism between 200 million years ago and the Present. The region is still volcanically active. The volume is an amalgamation of in-depth syntheses, which are presented within distinctly different tectonic settings. Each is described in terms of (1) the volcanology and eruptive palaeoenvironments; (2) petrology and origin of magma; and (3) active volcanism, including tephrochronology. Important volcanic episodes include: astonishingly voluminous mafic and felsic volcanic deposits associated with the Jurassic break-up of Gondwana; the construction and progressive demise of a major Jurassic to Present continental arc, including back-arc alkaline basalts and volcanism in a young ensialic marginal basin; Miocene to Pleistocene mafic volcanism associated with post-subduction slab-window formation; numerous Neogene alkaline volcanoes, including the massive Erebus volcano and its persistent phonolitic lava lake, that are widely distributed within and adjacent to one of the world’s major zones of lithospheric extension (the West Antarctic Rift System); and very young ultrapotassic volcanism erupted subglacially and forming a world-wide type example (Gaussberg).

A Continental Plate Boundary

2013-04-30 Science
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Release : 2013-04-30
Genre : Science
Kind : eBook
Book Rating : 775/5 ( reviews)

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Book Synopsis A Continental Plate Boundary by : David Okaya

Download or read book A Continental Plate Boundary written by David Okaya. This book was released on 2013-04-30. Available in PDF, EPUB and Kindle. Book excerpt: Published by the American Geophysical Union as part of the Geophysical Monograph Series, Volume 175. A Continental Plate Boundary offers in one place the most comprehensive, up-to-date knowledge for researchers and students to learn about the tectonics and plate dynamics of the Pacific-Australian continental plate boundary in South Island and about the application of modern geological and geophysical methods. It examines what happens when convergence and translation occur at a plate boundary by Describing the geological and geophysical signature of a continental transform fault; Identifying the diverse vertical and lateral patterns of deformation at the plate boundary; Assessing an apparent seismicity gap on the plate boundary fault and fast-moving plate motions; Comparing this plate boundary to other global convergent continental strike-slip plate boundaries; Documenting the utility of the double-sided, onshore-offshore seismic method for exploration of a narrow continental island; and Providing additional papers presenting previously unpublished results. This volume will prove invaluable for seismologists, tectonophysicists, geodesists and potential-field geophysicists, geologists, geodynamicists, and students of the deformation of tectonic plates.

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