Crustal Anisotropy Beneath the Trans-North China Orogen and its Adjacent Areas From Receiver Functions

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dc.citation.articleNumber753612en_US
dc.citation.journalTitleFrontiers in Earth Scienceen_US
dc.citation.volumeNumber9en_US
dc.contributor.authorXu, Xiaomingen_US
dc.contributor.authorDing, Zhifengen_US
dc.contributor.authorLi, Lien_US
dc.contributor.authorNiu, Fenglinen_US
dc.date.accessioned2021-12-02T15:09:23Zen_US
dc.date.available2021-12-02T15:09:23Zen_US
dc.date.issued2021en_US
dc.description.abstractAs an important segment of the North China Craton, the Trans-North China Orogen (TNCO) has experienced strong tectonic deformation and magmatic activities since the Cenozoic and is characterized by significant seismicity. To understand the mechanism of the crustal deformation and seismic hazards, we determined the crustal thickness (H), Vp/Vs ratio (κ) and crustal anisotropy (the fast polarization direction φ and splitting time τ) beneath the TNCO and its adjacent areas by analyzing receiver function data recorded by a dense seismic array. The (H, κ) and (φ, τ) at a total of 309 stations were measured, respectively. The Moho depth varies from ∼30 km beneath the western margin of the Bohai bay basin to the maximum value of ∼48 km beneath the northern Lüliang Mountain, which shows the positive and negative correlations with the elevation and the Bouguer anomaly. The average φ is roughly parallel to the strikes of the faults, grabens and Mountains in this study area, whereas a rotating distribution is shown around the Datong-Hannuoba volcanic regions. Based on the φ measured from the Moho Ps and SKS/SKKS phases, we propose that the crustal deformation and seismic hazards beneath the TNCO could be due to the counterclockwise rotation of the Ordos block driven by the far-field effects of the India-Eurasian collision.en_US
dc.identifier.citationXu, Xiaoming, Ding, Zhifeng, Li, Li, et al.. "Crustal Anisotropy Beneath the Trans-North China Orogen and its Adjacent Areas From Receiver Functions." <i>Frontiers in Earth Science,</i> 9, (2021) Frontiers Media S.A.: https://doi.org/10.3389/feart.2021.753612.en_US
dc.identifier.digitalfeart-09-753612en_US
dc.identifier.doihttps://doi.org/10.3389/feart.2021.753612en_US
dc.identifier.urihttps://hdl.handle.net/1911/111723en_US
dc.language.isoengen_US
dc.publisherFrontiers Media S.A.en_US
dc.rightsThis is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.en_US
dc.rights.urihttps://creativecommons.org/licenses/by/4.0/en_US
dc.titleCrustal Anisotropy Beneath the Trans-North China Orogen and its Adjacent Areas From Receiver Functionsen_US
dc.typeJournal articleen_US
dc.type.dcmiTexten_US
dc.type.publicationpublisher versionen_US
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