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  Topography of the Mantle Discontinuities beneath Eastern Asia and NW

Heit, B., Yuan, X., Kind, R., Gossler, J. (2009): Topography of the Mantle Discontinuities beneath Eastern Asia and NW, 69. Jahrestagung der Deutschen Geophysikalischen Gesellschaft (Kiel 2009).

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Datensatz-Permalink: https://gfzpublic.gfz-potsdam.de/pubman/item/item_238559 Versions-Permalink: -
Genre: Konferenzbeitrag

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 Urheber:
Heit, Benjamin1, Autor              
Yuan, Xiaohui1, Autor              
Kind, Rainer1, Autor              
Gossler, J.2, Autor
Affiliations:
12.4 Seismology, 2.0 Physics of the Earth, Departments, GFZ Publication Database, Deutsches GeoForschungsZentrum, ou_30023              
2External Organizations, ou_persistent22              

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Schlagwörter: 23. – 26. März 2009
 DDC: 550 - Earth sciences
 Zusammenfassung: We attempt to use the large amount of seismic data recorded by the GRSN, GRF and GEOFON stations to study the topography of the mantle transition zone in the continent-ocean transition of eastern Asia and NW Pacific by SS precursors. SS bounce points sample a corridor from the Aleutians, Kamchatka and the Japan subduction zones through the North China craton to the Tibetan plateau. The corridor passes different tectonic units such as subduction zones, an old continental shield, a fold belt and a high plateau. We aim to get information about the depth and sharpness of the mantle discontinuities at 410 and 660 km and the topography of the mantle transition beneath different geologic units along the corridor and infer geodynamic processes at depth. We also aim to investigate the mantle transition zone thickness beneath continents and oceans as it was suggested that their differences might extend into the mantle transition zone. However, this correlation has not been evident in other studies. High resolution images of SS precursors may also reveal the interaction of the subducted oceanic lithosphere with the mantle transition zone and serve to answer the often debated question about the scale and extent of the slab stagnation within the mantle transition zone beneath the NW Pacific subduction zone.

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 Datum: 2009
 Publikationsstatus: Final veröffentlicht
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 Identifikatoren: eDoc: 12964
GFZPOF: PT1 Planet Earth: Global Processes and Change
GFZPOF: PT2 Earth System Dynamics: Coupled Processes and Regional Impact
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Veranstaltung

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Titel: 69. Jahrestagung der Deutschen Geophysikalischen Gesellschaft (Kiel 2009)
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Titel: 69. Jahrestagung der Deutschen Geophysikalischen Gesellschaft (Kiel 2009)
Genre der Quelle: Konferenzband
 Urheber:
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