Multi-stage magmatic plumbing system of the volcano: A case study from Ulleung Island, South Korea

Chen, Shuangshuang; Lee, Seung-Gu; Lee, Tae Jong; Lee, Youn-Soo; Liu, Jiaqi

doi:10.1016/j.lithos.2018.05.028

Cited by 4 publications

(16 citation statements)

References 58 publications

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“…The mantle-originated basaltic magma of DUI exhibited similar geochemical features, including high 87 Sr/ 86 Sr and low 143 Nd/ 144 Nd ratios, and indicating mixing between depleted mid-ocean ridge basalt mantle (DMM) and enriched mantle 1 (EM1) [3,13,14]. In particular, Chen et al [2] provided geochemical evidence for magma evolutionary processes of the oceanic subducting crust with the role of DUI fluids. The existence of fluids in the magma source was also identified by several lines of evidence [15][16][17][18].…”

Section: Introductionmentioning

confidence: 92%

“…The presence of fluids in DUI magma is significant to examine the interaction of the subducting Pacific Plate and the mantle components beneath the DUI region. Although some previous studies suggested the presence of water in the magmatic system of DUI, the role of fluids, especially water, in the deep magmatic system of DUI is poorly known [2].…”

Section: Introductionmentioning

confidence: 98%

“…The volcanic rocks of DUI provide an ideal opportunity to understand the evolved alkaline magmatism in the eastern margin of the Eurasian plate [1]. Previous studies primarily focused on the topography, geology, petrology, mineralogy, and geochemistry of the volcanic rocks to investigate the DUI evolutionary processes [1][2][3][4][5][6][7][8][9][10][11][12]. From these studies, Choi et al [3], Brenna et al [1], and Chen et al [2] reported the genesis and evolution of primitive DUI magma mainly on the basis of geochemical, isotopic, and geochronological results.…”

Section: Introductionmentioning

confidence: 99%

“…Contour interval is 100m. (d,e) Distribution of Late Cenozoic volcanic rocks from DUI [2]. (b,c) Submarine and (d,e) terrestrial sampling locations marked on map with solid red circles.…”

Section: Introductionmentioning

confidence: 99%

“…Dokdo also formed via intraplate alkali volcanism, and volcanic rocks date from the early Pliocene (4.6 ± 0.4 Ma) to the late Pliocene and Quaternary (2.7 ± 0.1 Ma) [11]. The authors also discuss in detail the geochemical properties of crystal fractionation from alkaline basaltic magma and a magmatic plumbing system beneath DUI in the Late Cenozoic [2]. The magmatic plumbing system of DUI is composed of at least two magma reservoirs at different levels, and evolved by multistage magma ascent (between 20 and 100 km).…”

Section: Introductionmentioning

confidence: 99%

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Ti-Magnetite Crystallization in Melt Inclusions of Trachytic Rocks from the Dokdo and Ulleung Islands, South Korea: Implications for Hydrous and Oxidized Magmatism

et al. 2020

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The Dokdo and Ulleung islands (Korea) are volcanic islands in the East Sea (Sea of Japan), formed in the late Cenozoic. These volcanic islands, in the back-arc basin of the Japanese archipelago, provide important information about magma characteristics in the eastern margin of the Eurasian plate. The origin of the Dokdo and Ulleung intraplate volcanism is still controversial, and the role of fluids, especially water, in the magmatism is poorly understood. Here, we comprehensively analyzed the melt inclusions (10–100 μm in diameter) hosted in clinopyroxene phenocrysts of trachyte, trachyandesite, and trachybasalt. In particular, we observed Ti-magnetite and amphibole which were crystallized as daughter mineral phases within melt inclusions, suggesting that Ti-magnetite was formed in an oxidized condition due to H2O dissociation and H2 diffusion. The Ti-magnetite exhibited compositional heterogeneities of MgO (average of 8.28 wt %), Al2O3 (average of 8.68 wt %), and TiO2 (average of 8.04 wt %). The positive correlation of TiO2 with Cr2O3 is probably attributed to evolutionary Fe–Ti-rich parent magma. Correspondingly, our results suggested hydrous and oxidized magmatism for the Dokdo and Ulleung volcanic islands.

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Section: Introductionmentioning

confidence: 92%

Section: Introductionmentioning

confidence: 98%

Section: Introductionmentioning

confidence: 99%

“…Contour interval is 100m. (d,e) Distribution of Late Cenozoic volcanic rocks from DUI [2]. (b,c) Submarine and (d,e) terrestrial sampling locations marked on map with solid red circles.…”

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 3 more Smart Citations

Ti-Magnetite Crystallization in Melt Inclusions of Trachytic Rocks from the Dokdo and Ulleung Islands, South Korea: Implications for Hydrous and Oxidized Magmatism

et al. 2020

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Trace element and helium isotope geochemistry of the Cenozoic intraplate volcanism in the East Sea (Sea of Japan): Implications for lithosphere-asthenosphere interaction

Lee

Kim

et al. 2021

Lithos

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Feedback of Slab Distortion on Volcanic Arc Evolution: Geochemical Perspective From Late Cenozoic Volcanism in SW Japan

et al. 2020

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Southwest Japan is an island arc formed by subduction of the Philippine Sea (PHS) plate. The Quaternary magmatism in this region is characterized by eruptions of high-Sr andesites and dacites, considered to have been derived by melting of the PHS plate. The loci of these volcanoes spatially coincide with seismic discontinuities of the subducted PHS plate. Thus, the magmatism is interpreted as the result of slab melting at the plate tears. However, the processes that promote slab tearing remain unclear. In this study, we applied geochronological and geochemical analyses to late Cenozoic volcanic rocks in southwest Japan as tracers of slab morphology. Two different magma types, ocean-island basalt (OIB) and island-arc basalt (IAB), have occurred over 12 million years (Myr). These two magmas are attributed to different integrations of melts extracted from an originally fertile mantle; the OIBs from high temperature melt (1,300-1,400°C) were extracted at a depth of 40-80 km, whereas the IABs were extracted from a shallower, lower temperature region (30-60 km, 1,200-1,350°C). Secular change in Sr enrichment of IAB likely arose due to a transition of slab-derived fluids, incorporated into magmas as they formed, from water-to melt-dominant one. Progressive shallowing of the subducted PHS plate is responsible for secular change in the properties of slab-derived fluids as well as rollback of OIB volcanoes. Production of chemically variable magmas in the Chugoku district is the surface expression of distorting slab morphology by interaction between mantle and the subducting plate.

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Multi-stage magmatic plumbing system of the volcano: A case study from Ulleung Island, South Korea

Cited by 4 publications

References 58 publications

Ti-Magnetite Crystallization in Melt Inclusions of Trachytic Rocks from the Dokdo and Ulleung Islands, South Korea: Implications for Hydrous and Oxidized Magmatism

Ti-Magnetite Crystallization in Melt Inclusions of Trachytic Rocks from the Dokdo and Ulleung Islands, South Korea: Implications for Hydrous and Oxidized Magmatism

Trace element and helium isotope geochemistry of the Cenozoic intraplate volcanism in the East Sea (Sea of Japan): Implications for lithosphere-asthenosphere interaction

Feedback of Slab Distortion on Volcanic Arc Evolution: Geochemical Perspective From Late Cenozoic Volcanism in SW Japan

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