Paleogeographic maps of the Japanese Islands: Plate tectonic synthesis from 750 Ma to the present

Maruyama, Shigenori; Isozaki, Yukio; Kimura, Gaku; Terabayashi, Masaru

doi:10.1111/j.1440-1738.1997.tb00043.x

Cited by 1,005 publications

(685 citation statements)

References 61 publications

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“…In the early Cretaceous period, the Izanagi plate obliquely subducted below East Asia with a high speed, most likely caused by the Pacific super-plume (MARUYAMA et al 1997), and it may be the dynamic source for the sinistral strike-slip of the Tan-Lu fault. During the late Cretaceous, the Izanagi plate moved northward, while at the same time, the Pacific plate subducted at a medium-speed at the margin of the Chinese mainland (MARUYAMA et al 1997), and the subduction angle changed from 10°to 80° (ZHOU and LI 2000). A high-angle forward subduction resulted in the asthenosphere upwelling and the lithosphere delamination in northern China.…”

Section: Discussion Of Crustal Strain In Northeast and Northern Chinamentioning

confidence: 99%

Analysis of the Far-Field Co-seismic and Post-seismic Responses Caused by the 2011 M W 9.0 Tohoku-Oki Earthquake

Shao

Wei

Zhang

et al. 2015

Pure Appl. Geophys.

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Abstract-We analyzed the far-field co-seismic response of the M W 9.0 Tohoku-Oki earthquake, which occurred on March 11th 2011 at the Japan Trench plate boundary. Our analysis indicates that the far-field co-seismic displacement was very sensitive to the magnitude of this event, and that a significant co-seismic surface displacement from earthquakes in the Japan Trench region can be observed in Eurasia only for events of M W C 8.0. We also analyzed the temporal characteristics of the near-field post-seismic deformation caused by the afterslip and the viscoelastic relaxation following the Japan earthquake. Next, we performed a simulation to analyze the influence of the two post-seismic effects previously mentioned on the far-field post-seismic crustal deformation. The simulation results help explain the post-seismic crustal deformation observed on the Chinese mainland 1.5 years after the event. Fitting results revealed that after the M W 9.0 Tohoku-Oki earthquake, the afterslip decayed exponentially, and may eventually disappear after 4 years. The far-field post-seismic displacement in Eurasia caused by the viscoelastic relaxation following this earthquake will reach the same magnitude as the co-seismic displacement in approximately 10 years. In addition, the co-and post-seismic Coulomb stress on several NE-trending faults in the northeastern and northern regions of the Chinese mainland were significantly enhanced because of the M W 9.0 earthquake, especially on the Yilan-Yitong and the Dunhua-Mishan faults (the northern section of the Tan-Lu fault zone) as well as the Yalujiang and the FuyuZhaodong faults.

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Section: Discussion Of Crustal Strain In Northeast and Northern Chinamentioning

confidence: 99%

Analysis of the Far-Field Co-seismic and Post-seismic Responses Caused by the 2011 M W 9.0 Tohoku-Oki Earthquake

Shao

Wei

Zhang

et al. 2015

Pure Appl. Geophys.

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“…Other 3 results of ridge-approach model by Iwamori (2000), which incorporates mantle convection at depths >30 km and uses v = 6.3 cm/year, are shown by dashed bold lines labeled by the corresponding ages of the slab at trench, 2.5, 1.0 and 0 Ma. Katayama et al 2001 540 Ma Okamoto et al 2004-Miyamoto et al, 2007 ; Engebretson 89 Ma Okudaira and Yoshitake, 2004Nakajima et al, 1990;, 1991;Otsuki, 1992;, 1993;Sakaguchi, 1996;Maruyama et al, 1997;Iwamori, 2000;Aoya et al, 2003Wallis et al, 2009Nakajima et al, 2004aNakajima et al, 1990;, 199385-80 Ma Wallis et al, 2009Taira et al, 2016 89 Ma 86 Ma…”

Section: Fettes and Desmons 2007mentioning

confidence: 99%

Recognition of the ‘early’ Sambagawa metamorphism and a schematic cross-section of the Late-Cretaceous Sambagawa subduction zone

Aoya¹,

Endo²

2017

Jour. Geol. Soc. Japan

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Recent petrological studies on the Sambagawa metamorphic belt in Shikoku have recognized that the coarse-grained eclogite-bearing lithologies (so-called tectonic blocks in earlier studies) in the Besshi area exclusively preserve evidence for the early Sambagawa metamorphism, which can be related to onset of the Sambagawa subduction system during Early Cretaceous (c. Ma). Geological mapping and associated multidisciplinary studies on the regional (spatially widespread) Sambagawa metamorphism (both the eclogite-facies and main metamorphisms) have revealed the tectonic framework of the Late-Cretaceous Sambagawa subduction zone as follows: (i) a spreading ridge was approaching close to the trench; (ii) the subducting slab was coupled with the convective mantle at depth of > km; (iii) thickness of the hanging-wall continental crust waskm; and (iv) the forearc mantle wedge ( -km depth) was largely serpentinized. These features allow us to draw a semi-quantitative cross-section of the Sambagawa subduction zone at around -Ma, implying that boundary conditions for thermo-mechanical modeling aiming to simulate exhumation of high-P/T metamorphic rocks are now well constrained. It has also become clear that ultramafic blocks dispersed in the higher-grade part of the Sambagawa belt were derived from the mantle wedge, i.e. the corresponding part of the belt has been re-evaluated as a fossil subduction boundary of a relatively warm subduction zone. Field-based petrological studies in the Sambagawa belt can, therefore, have potential to provide invaluable information on material behaviors at the slab-mantle wedge interface including domains of episodic tremor and slip (ETS) in presentday warm subduction zones.

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“…-남남서 방향의 해구에 도달하여 섭입된 것으로 알려 져 있다 (Uyeda and Miyashiro, 1974;Hilde et al, 1977;Engebretson et al, 1985;Maruyama et al, 1997;Kinoshita, 2002;Chough and Sohn, 2010;Hwang et al, 2011). 당시의 해구와 해령은 Kinoshita (2002)의 연구결과에 따라 약 52 o 의 각도로 서로 사교 한 것으로 가정하였다 (Fig.…”

Section: -80 Ma 경에 유라시아 대륙의 동쪽 연변부에는 이자나기-태평양 해령(Izanagi-pacific Riunclassified

Cretaceous to Early Tertiary Granites and Magma Mixing in South Korea : Their Spatio-temporal Variations and Tectonic Implications (Multiple Slab Window Model)

Kim¹,

Kim²,

Jwa³

et al. 2012

The Journal of the Petrological Society of Korea

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Based on the petrologic and age data of the Cretaceous to early Tertiary granites in south Korea, we propose a new tectonic model reflecting their temporal and spatial variations. A number of petrographic and geochemical studies on the granites suggest that they originated from the magma formed by subduction of oceanic crust in continental margin and were emplaced in epizone. The MMEs with various shapes and sizes, which were produced due to the magma mixing caused by the injection of mafic magma from mantle during the crystallization of the granitic magma, are observed in the granites. The distributions of the MMEs and ages of the granites show a distinctive spatio-temporal distribution pattern. The distribution pattern can be explained by a multiple slab window model related to the ridge subduction of Izanagi-Pacific plates during the Late Cretaceous.

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Paleogeographic maps of the Japanese Islands: Plate tectonic synthesis from 750 Ma to the present

Cited by 1,005 publications

References 61 publications

Analysis of the Far-Field Co-seismic and Post-seismic Responses Caused by the 2011 M W 9.0 Tohoku-Oki Earthquake

Analysis of the Far-Field Co-seismic and Post-seismic Responses Caused by the 2011 M W 9.0 Tohoku-Oki Earthquake

Recognition of the ‘early’ Sambagawa metamorphism and a schematic cross-section of the Late-Cretaceous Sambagawa subduction zone

Cretaceous to Early Tertiary Granites and Magma Mixing in South Korea : Their Spatio-temporal Variations and Tectonic Implications (Multiple Slab Window Model)

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