Search Results - "Arima, Makoto"
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Soft-sediment deformation structures in the Mio-Pliocene Misaki Formation within alternating deep-sea clays and volcanic ashes (Miura Peninsula, Japan)
Published in Sedimentary geology (01-10-2016)“…The Mio-Pliocene Misaki Formation of the Miura Group (Miura Peninsula, Japan) shows an extremely wide variety of soft-sediment deformation structures. The most…”
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Laboratory measurements of 'porosity-free' intrinsic Vp and Vs in an olivine gabbro of the Oman ophiolite: Implication for interpretation of the seismic structure of lower oceanic crust
Published in The island arc (01-06-2015)“…In order to determine ‘porosity‐free’ intrinsic ultrasonic compressional (Vp) and shear wave (Vs) velocities and Vp/Vs of an olivine gabbro from the Oman…”
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Implication of Mafic Magmatism in an Intracontinental Rift Setting: A Case Study from the Paleoproterozoic Dhanjori Formation, Singhbhum Crustal Province, India
Published in The Journal of geology (01-07-2009)“…We present major, trace, rare earth element, and selected high‐field‐strength element ratios (Nb/Th, Zr/Nb, Nb/Y, and Zr/Y) of the Paleoproterozoic Dhanjori…”
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Simultaneous high P-T measurements of ultrasonic compressional and shear wave velocities in Ichino-megata mafic xenoliths: Their bearings on seismic velocity perturbations in lower crust of northeast Japan arc
Published in Journal of Geophysical Research - Solid Earth (01-12-2008)“…Simultaneous measurements of ultrasonic compressional (Vp) and shear wave velocities (Vs) were conducted under pressures and temperatures representative of the…”
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Analyzing flood risk and related impacts to urban communities in central Vietnam
Published in Mitigation and adaptation strategies for global change (01-02-2014)“…This study aims at understanding flood risks and their impact on a community, in order to enhance communities’ resilience and adaptive capacity to these…”
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Contributions of slab fluid and sediment melt components to magmatism in the Mariana Arc-Trough system: Evidence from geochemical compositions and Sr, Nd, and noble gas isotope systematics
Published in The island arc (01-07-2016)“…This study presents new major and trace element, mineral, and Sr, Nd, and noble gas isotope geochemical analyses of basalts, gabbro, and clinopyroxenite from…”
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Formation of Distinct Granitic Magma Batches by Partial Melting of Hybrid Lower Crust in the Izu Arc Collision Zone, Central Japan
Published in Journal of petrology (01-09-2007)“…The Miocene Kofu Granitic Complex (KGC) occurs in the Izu Collision Zone where the Izu–Bonin–Mariana (IBM) arc has been colliding with the Honshu arc since the…”
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P-wave velocity and anisotropy of lawsonite and epidote blueschists: Constraints on water transportation along subducting oceanic crust
Published in Physics of the earth and planetary interiors (01-11-2010)“…P-wave velocity (Vp) and the anisotropy of lawsonite and epidote blueschists were measured up to 1.0GPa and 400°C using the ultrasonic pulse transmission…”
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Laboratory measurements of P- and S-wave velocities in polycrystalline plagioclase and gabbronorite up to 700 °C and 1 GPa: Implications for the low velocity anomaly in the lower crust
Published in Geophysical research letters (01-08-2006)“…P‐ (Vp) and S‐wave (Vs) velocities of polycrystalline plagioclase (An51±1) and gabbronorite including plagioclase (An49±2) (62.3vol.%) were measured up to…”
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Precambrian geology of India
Published in Earth-science reviews (01-02-2023)Get full text
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Simultaneous measurements of compressional wave and shear wave velocities, Poisson's ratio, and Vp/Vs under deep crustal pressure and temperature conditions: Example of silicified pelitic schist from Ryoke Belt, Southwest Japan
Published in The island arc (01-03-2010)“…The ultrasonic technique for measuring travel times of compressional and shear waves using dual‐mode transducers was adapted to a piston cylinder apparatus,…”
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Laboratory measurement of P-wave velocity in crustal and upper mantle xenoliths from Ichino-megata, NE Japan: ultrabasic hydrous lower crust beneath the NE Honshu arc
Published in Tectonophysics (17-02-2005)“…Ultrasonic laboratory measurements of P-wave velocity (Vp) were carried out up to 1.0 GPa in a temperature range of 25–400 °C for crustal and mantle xenoliths…”
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Discontinuous change in temperature derivative of Vp in lower crustal rocks
Published in Geophysical research letters (01-11-2004)“…Compressional wave velocities (Vp) of gabbronorite, pyroxene granulite, wehrlite and websterite were measured up to 1000°C at 1 GPa during heating and cooling…”
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Melting experiments on hydrous low-K tholeiite: Implications for the genesis of tonalitic crust in the Izu-Bonin - Mariana arc
Published in The island arc (01-07-1998)“…A series of water‐deficient partial melting experiments on a low‐K tholeiite were carried out under lower crustal P–T–H2O conditions (900–1200 °C, 0.7–1.5 GPa,…”
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Regression of Liver Fibrosis in Cases of Chronic Liver Disease Type C: Quantitative Evaluation by Using Computed Image Analysis
Published in Internal Medicine (01-10-2004)“…Object It was reported that the liver fibrosis is reduced in patients with chronic liver disease type C after eradication of HCV. Degree of fibrosis was…”
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Petrography and geochemistry of Mesoarchaean komatiites from the eastern Iron Ore belt, Singhbhum craton, India, and its similarity with ‘Barberton type komatiite’
Published in Journal of African earth sciences (1994) (01-01-2015)“…[Display omitted] •Report unambiguous komatiitic rocks from the Singhbhum craton for the first time.•Presented major, trace, REE and petrographic data of…”
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Sedimentological consequences of arc-arc collision: An example from Mio-Pliocene Miura Group, Japan
Published in Marine and petroleum geology (01-11-2018)“…This paper presents brief sedimentological inventory of the Misaki and the overlying Hasse Formation (constituting the Miura Group) based on observations made…”
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Laboratory measurements of Vp and Vs in a porosity-developed crustal rock: Experimental investigation into the effects of porosity at deep crustal pressures
Published in Tectonophysics (23-05-2016)“…In order to evaluate the influence of porosity on the elastic properties of crustal rocks at deep crustal pressures, we performed laboratory measurements of…”
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