Transition from arc to intraplate magmatism associated with backarc rifting: Evolution of the Sikhote Alin Volcanism

Tatsumi, Yoshiyuki; Satô, Keiko; Sano, Takashi; Arai, R.; Prikhod’ko, V. S.

doi:10.1029/1999gl008436

Cited by 16 publications

(9 citation statements)

References 21 publications

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“…Shimanto Belt (this paper); 5. Sikhote‐Alin (Grebennikov, Khanchuk, Gonevchuk, & Kovalenko, ; Martynov & Khanchuk, ; Okamura, Arculus, & Martynov, ; Okamura, Martynov, Furuyama, & Nagao, ; Otofuji et al, ; Tatsumi, Sato, Sano, Arai, & Prikhodko, ); 6. (Ando, ; Kato, Akiba, & Moriya, ; Komatsubara, ; Takashima et al, ; Takano & Waseda, ); 7.…”

Section: Early Cenozoic Geological Gap Other Than the Shimanto Belt Imentioning

confidence: 99%

Origin of the early Cenozoic belt boundary thrust and Izanagi–Pacific ridge subduction in the western Pacific margin

et al. 2019

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The belt boundary thrust within the Cretaceous-Neogene accretionary complex of the Shimanto Belt, southwestern Japan, extends for more than~1 000 km along the Japanese islands. A common understanding of the origin of the thrust is that it is an out of sequence thrust as a result of continuous accretion since the late Cretaceous and there is a kinematic reason for its maintaining a critically tapered wedge. The timing of the accretion gap and thrusting, however, coincides with the collision of the Paleocene-early Eocene Izanagi-Pacific spreading ridges with the trench along the western Pacific margin, which has been recently re-hypothesized as younger than the previous assumption with respect to the Kula-Pacific ridge subduction during the late Cretaceous. The ridge subduction hypothesis provides a consistent explanation for the cessation of magmatic activity along the continental margin and the presence of an unconformity in the forearc basin. This is not only the case in southwestern Japan, but also along the more northern Asian margin in Hokkaido, Sakhalin, and Sikhote-Alin. This Paleocene-early Eocene ridge subduction hypothesis is also consistent with recently acquired tomographic images beneath the Asian continent. The timing of the Izanagi-Pacific ridge subduction along the western Pacific margin allows for a revision of the classic hypothesis of a great reorganization of the Pacific Plate motion between~47 Ma and 42 Ma, illustrated by the bend in the Hawaii-Emperor chain, because of the change in subduction torque balance and the Oligocene-Miocene back arc spreading after the ridge subduction in the western Pacific margin.

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Section: Early Cenozoic Geological Gap Other Than the Shimanto Belt Imentioning

confidence: 99%

Origin of the early Cenozoic belt boundary thrust and Izanagi–Pacific ridge subduction in the western Pacific margin

et al. 2019

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“…We can link the IPV to the process of the oceanic slab subduction: transitions from arc/back-arc structures to intraplate environment [e.g., Tatsumi et al, 2000] that volcanism initiated by basal hydration in former wedge regions is maintained by slab rollback-induced decompressional melting [Schellart and Lister, 2005;Zhang et al, 2014]. The major phases of IPV are largely coeval with the timing of rollback of the slabs [e.g., Zhang et al, 2014;Brenna et al, 2015].…”

Section: 1002/2016gl069483mentioning

confidence: 99%

Intraplate volcanism controlled by back‐arc and continental structures in NE Asia inferred from transdimensional Bayesian ambient noise tomography

Kim

Tkalčić

Rhie

et al. 2016

Geophysical Research Letters

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Intraplate volcanism adjacent to active continental margins is not simply explained by plate tectonics or plume interaction. Recent volcanoes in northeast (NE) Asia, including NE China and the Korean Peninsula, are characterized by heterogeneous tectonic structures and geochemical compositions. Here we apply a transdimensional Bayesian tomography to estimate high‐resolution images of group and phase velocity variations (with periods between 8 and 70 s). The method provides robust estimations of velocity maps, and the reliability of results is tested through carefully designed synthetic recovery experiments. Our maps reveal two sublithospheric low‐velocity anomalies that connect back‐arc regions (in Japan and Ryukyu Trench) with current margins of continental lithosphere where the volcanoes are distributed. Combined with evidences from previous geochemical and geophysical studies, we argue that the volcanoes are related to the low‐velocity structures associated with back‐arc processes and preexisting continental lithosphere.

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“…The trace element pattern, which resembles that of ocean island basalt, shows no clear depletion in HFSE (Okamura et al, 2005). Results of previous studies suggest that the changes in chemical compositions of the basalts are attributable to the transition from arc to intra-plate magmatism associated with backarc rifting (Esin et al, 1995;Okamura et al, 1998;Tatsumi et al, 2000).…”

Section: Yamamoto Et Al (8)mentioning

confidence: 79%

Thermal structure beneath Far Eastern Russia inferred from geothermobarometric analyses of mantle xenoliths: Direct evidence for high geothermal gradient in backarc lithosphere

Yamamoto¹,

Nishimura²,

Ishibashi³

et al. 2012

Tectonophysics

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Transition from arc to intraplate magmatism associated with backarc rifting: Evolution of the Sikhote Alin Volcanism

Abstract: Abstract. K-Ar dates and chemical compositions of lavas inSikhoteIn this paper, attention will be paid to magmatism in the eastern and the western Sikhote Alin, Far East Russia (Fig.

Cited by 16 publications

References 21 publications

Origin of the early Cenozoic belt boundary thrust and Izanagi–Pacific ridge subduction in the western Pacific margin

Origin of the early Cenozoic belt boundary thrust and Izanagi–Pacific ridge subduction in the western Pacific margin

Intraplate volcanism controlled by back‐arc and continental structures in NE Asia inferred from transdimensional Bayesian ambient noise tomography

Thermal structure beneath Far Eastern Russia inferred from geothermobarometric analyses of mantle xenoliths: Direct evidence for high geothermal gradient in backarc lithosphere

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