subduction

[səb'dʌkʃən][səb'dʌkʃən]

n.减去,减法[地]潜没(指地壳的板块沉到另一板块之下)

  • Petrological Evidence for Subduction of the Early Paleozoic Oceanic Crust in Bart - Obo Inner Mongolia

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  • The old trichotomy scheme on orogenic belts is reviewed and a new one is presented to divide orogenic belts into three categories ; intraplate collision and subduction .

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  • Ductile shearing within subduction com-plex belt in North Qilian Mountains China

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  • Volcanoes and compressive deformation during collisions along subduction zones makes continents thicker while erosion wears them down making them broader and flatter ;

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  • The major dynamic mechanism of collision is the openning of Japanese Sea and Okhotsk sea and subduction of Philippine Plate .

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  • Certain parts of the plate boundaries along subduction zones appear to be aseismic .

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  • The sinking of oceanic crust at subduction zones carries water and carbon dioxide back into the mantle .

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  • Since the Permian the Tarim Basin had undergone basinal extension subduction and intro-continental orogeny .

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  • Active and inactive subduction zones ;

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  • Framework of North Qilian Caledonian subduction ? Accretionary wedge and its deformation dynamics

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  • Geochemical compositions also show that the plutons are characterized by subduction genesis .

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  • High-pressure metamorphic rocks form during subduction of Earth 's crust to mantle depths at convergent plate margins .

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  • Crustal P-wave velocity structure of the Dabie-Sulu ultrahigh-pressure metamorphic belt and mechanisms of its subduction and exhumation

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  • This occurs in trenches also called subduction zones .

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  • Metamorphic dehydration in subduction zones plays a significant role in the genesis of slab-derived fluids and the generation and evolution of arc magmas .

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  • Most of the rocks might be originally fragments of oceanic rocks introduced during plate subduction .

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  • The Andes will gain elevation over sea level from the pole shift due to Pacific subduction .

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  • During the subduction large-scale tectono-magmatic activities and epithermal Au mineralizations happened during the late Oligocene-middle Miocene .

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  • They are probably related to the subduction of the Paleo-Asia Oceanic plate and their intrusion resulted in the contact metamorphism of the Majiajie Group .

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  • In the arc petrogenesis system such melting conditions are most likely to occur in the initial stage of slab subduction .

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  • Assemblage chemistry and geochemical characteristics of the quartz diorite intrusion show the characteristics of subduction granite .

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  • LATE LATE CARBONIFEROUS AND EARLY EARLY PERMIAN FLORA PALAEOECOLOGY IN THE NORTHERN PART OF THE HELAN MOUNTAINS Accordingly the subduction of the North China plate possibly initialed during the late times of the late Achaean .

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  • The site of this destruction is another kind of plate boundary : a subduction zone .

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  • Deep seated earthquakes often severe in magnitude generally occur beneath subduction zones as one plate is forced deep into the mantle beneath another .

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  • This would effectively stop plate tectonics unless new subduction zones start up but subduction initiation is poorly understood .

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  • Subduction recycling process has a major effect on the dynamics and evolution of the crust and mantle .

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  • These new geophysical and geological information together with previous findings are ready to quantify the processes of continental subduction and collision .

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  • This allows the ear nerve to be tempered low-frequency noise damage there is a certain subduction .

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  • Their exposure at the surface of Earth today provides a record of the subduction zone process .

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  • This session will bring together scientists from many countries who have been studying the geological and geophysical processes responsible for deep subduction and exhumation of continental crustal material .

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