Journal ArticleDOI
Blueschists and Eclogites of the World and Their Exhumation
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In this paper, the authors classified high-P/T metamorphic belts into two types: collision-type and cordilleran-type blueschists, based on their protoliths.Abstract:
High-P/T metamorphic belts were classified into types A and B according to their protoliths. The A-type (collision-type) blueschists possess passive-margin protoliths characterized by platform-type carbonates, bimodal volcanics, and peraluminous sediments. B-type (Cordilleran-type) blueschists consist of active continental-margin protoliths in an accretionary complex characterized by bedded chert, MORB and ocean-island basalts, reef limestones, and graywackes. The spatiotemporal distribution of blueschists and eclogites of the world was compiled; among 250 recognized high-P/T belts, about 20% belong to the A type and the rest to the B type. Most A-type zones lie in Europe and the Tethyan domain, include ultrahigh-pressure metamorphic terranes, and have metamorphic pressure up to 45 kbar. B-type zones occur mainly in the circum-Pacific orogenic belts and intracontinental orogens in Asia, and were recrystallized at P <12 kbar. Associated peridotites include garnet peridotite in the A type and strongly serpe...read more
Citations
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Journal ArticleDOI
Paleogeographic maps of the Japanese Islands: Plate tectonic synthesis from 750 Ma to the present
TL;DR: A series of 20 maps of the Japanese Islands from their birth at ca 750-700 Ma to the present, from the viewpoint of plate tectonics is presented in this article.
Journal ArticleDOI
The deep carbon cycle and melting in Earth's interior
TL;DR: Carbon geochemistry of mantle-derived samples suggests that the fluxes and reservoir sizes associated with deep cycle are in the order of 1012−13−g−C/yr and 1022−23−g C, respectively.
Journal ArticleDOI
Exhumation of high-pressure metamorphic rocks in a subduction channel: A numerical simulation
TL;DR: In this article, numerical simulations provide insight into the self-organizing large-scale flow patterns and temperature field of subduction zones, primarily controlled by rheology, phase transformations, fluid budget, and heat transfer.
Journal ArticleDOI
Metamorphic Conditions in Orogenic Belts: A Record of Secular Change
TL;DR: The abundance and scale of ultra-high-temperature (UHT) metamorphic belts from the Neoarchean to the Cambrian imply a significant change in geodynamics during the Neo-Archean Era, after which transient sites of high heat flow were available at intervals throughout this period of Earth evolution as mentioned in this paper.
Journal ArticleDOI
New insight into a subduction-related orogen: A reappraisal of the geotectonic framework and evolution of the Japanese Islands
TL;DR: The geotectonic framework and the evolutionary history of the Japanese Islands need revision in accordance with the various geophysical/geological evidence gathered by new methodologies in the recent years including seismic tomography, vibroseis/ground-breaking seismic experiments, and detrital zircon chronology as discussed by the authors.
References
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Journal ArticleDOI
Cenozoic Tectonics of Asia: Effects of a Continental Collision: Features of recent continental tectonics in Asia can be interpreted as results of the India-Eurasia collision.
Peter Molnar,Paul Tapponnier +1 more
TL;DR: The JSTOR Archive is a trusted digital repository providing for long-term preservation and access to leading academic journals and scholarly literature from around the world, supported by libraries, scholarly societies, publishers, and foundations.
Journal ArticleDOI
Implications of Plate Tectonics for the Cenozoic Tectonic Evolution of Western North America
TL;DR: In this paper, the authors examined the history of plate motions between the American and Pacific plates in the late Cenozoic and found that the two plates were fixed with respect to one another until 5 m.y.
OtherDOI
Tectonics of the Indonesian region
TL;DR: The plate-tectonic evolution of a region can be deduced by following the as-sumptions that subduction zones are characterized by ophiolite, melange, wildflysch, and blueschist, that intermediate and silicic calc-alkaline igneous rocks form above Benioff zones, and that truncations of orogenic belts indicate rifting as mentioned in this paper.
Journal ArticleDOI
Kinematics of the western Mediterranean
TL;DR: In this article, a preliminary model for the Cenozoic kinematic evolution of the western Mediterranean oceanic basins and their peripheral orogens is presented, which integrates the motion of Africa relative to Europe based upon a new study of Atlantic fracture zones using SEASAT data and the Lamont-Doherty magnetic anomaly database.
Journal ArticleDOI
Plate Tectonics and the Evolution of the Alpine System
TL;DR: A detailed assembly of the outlines of the continents around the North and central Atlantic, before the initial dispersion of Gondwanaland in Early Jurassic times, is presented in this paper.