Search Results - "Uno, Masaoki"

Evidence for multiple stages of serpentinization from the mantle through the crust in the Redwood City Serpentinite mélange along the San Andreas Fault in California by Uno, Masaoki, Kirby, Stephen

“…The active plate boundary of the California margin includes the active San Andreas Fault System and the active mountain building of the California Coast Ranges…”
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Multiscale off-fault brecciation records coseismic energy budget of principal fault zone by Agroli, Geri, Okamoto, Atsushi, Uno, Masaoki, Tsuchiya, Noriyoshi

“…Breccia and pulverized rock are typical textures in off-fault damage adjacent to a main seismogenic zone. Previously, by estimating the energy required to…”
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Volatile-consuming reactions fracture rocks and self-accelerate fluid flow in the lithosphere by Uno, Masaoki, Koyanagawa, Kodai, Kasahara, Hisamu, Okamoto, Atsushi, Tsuchiya, Noriyoshi

“…Hydration and carbonation reactions within the Earth cause an increase in solid volume by up to several tens of vol%, which can induce stress and rock…”
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Machine-learning techniques for quantifying the protolith composition and mass transfer history of metabasalt by Matsuno, Satoshi, Uno, Masaoki, Okamoto, Atsushi, Tsuchiya, Noriyoshi

“…The mass transfer history of rocks provides direct evidence for fluid–rock interaction within the lithosphere and is recorded by compositional changes,…”
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Local initiative hydrogen production by utilization of aluminum waste materials and natural acidic hot-spring water by Alviani, Vani Novita, Hirano, Nobuo, Watanabe, Noriaki, Oba, Masahiro, Uno, Masaoki, Tsuchiya, Noriyoshi

“…•Advanced H2 production by aluminum waste and acidic hot-spring was proposed.•A new way of handling aluminum waste coupled with production of H2.•An advanced…”
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Rapid fluid infiltration and permeability enhancement during middle–lower crustal fracturing: Evidence from amphibolite–granulite-facies fluid–rock reaction zones, Sør Rondane Mountains, East Antarctica by Mindaleva, Diana, Uno, Masaoki, Higashino, Fumiko, Nagaya, Takayoshi, Okamoto, Atsushi, Tsuchiya, Noriyoshi

“…Permeability is a key control on fluid infiltration in the crust. However, quantitative geological constraints on crustal permeability are limited,…”
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Continental arc-derived eclogite in the Zavkhan Terrane, western Mongolia: Implications for the suture zone in the northern part of the Central Asian Orogenic Belt by Bayarbold, Manzshir, Okamoto, Atsushi, Dandar, Otgonbayar, Uno, Masaoki, Tsuchiya, Noriyoshi

“…[Display omitted] •The protolith of Khungui eclogites has affinities of continental arc basalt.•Eclogite facies metamorphism took place under P-T condition of…”
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Rupture of wet mantle wedge by self-promoting carbonation by Okamoto, Atsushi, Oyanagi, Ryosuke, Yoshida, Kazuki, Uno, Masaoki, Shimizu, Hiroyuki, Satish-Kumar, Madhusoodhan

“…Abstract More than one teramole of carbon per year is subducted as carbonate or carbonaceous material. However, the influence of carbonation/decarbonation…”
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Development of Open Transport of Aqueous Fluid from Pegmatite Revealed by Trace Elements in Garnet by Nurdiana, Astin, Okamoto, Atsushi, Uno, Masaoki, Tsuchiya, Noriyoshi

“…We investigated the fluid flow and elemental transport from a granitic body to the middle crust by determining the trace element compositions of garnet in…”
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Multi-stage infiltration of Na- and K-rich fluids from pegmatites at mid-crustal depths as revealed by feldspar replacement textures by Nurdiana, Astin, Okamoto, Atsushi, Yoshida, Kenta, Uno, Masaoki, Nagaya, Takayoshi, Tsuchiya, Noriyoshi

“…In volcanic zones, geophysical observations have identified the presence of deep-seated fluids around intrusions in the mid-crust. However, the fluid…”
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Sparse isocon analysis: A data-driven approach for material transfer estimation by Kuwatani, Tatsu, Yoshida, Kenta, Ueki, Kenta, Oyanagi, Ryosuke, Uno, Masaoki, Akaho, Shotaro

“…Isocon analysis has been widely applied to various geoscientific problems as a simple standard tool for quantitative estimation of material transfer. Despite…”
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Mechanisms and possible applications of the Al–H2O reaction under extreme pH and low hydrothermal temperatures by Alviani, Vani Novita, Setiani, Putri, Uno, Masaoki, Oba, Masahiro, Hirano, Nobuo, Watanabe, Noriaki, Tsuchiya, Noriyoshi, Saishu, Hanae

“…The reaction of Al and H2O is a promising method for the renewable production of H2 (an environmentally friendly fuel whose combustion produces only water),…”
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Slab-derived fluid storage in the crust elucidated by earthquake swarm by Mukuhira, Yusuke, Uno, Masaoki, Yoshida, Keisuke

“…Abstract Slab-derived fluids control crustal dynamics in the subduction zone. However, the slab-derived fluid budget has never been quantified beyond a…”
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Upward Earthquake Swarm Migration in the Northeastern Noto Peninsula, Japan, Initiated From a Deep Ring‐Shaped Cluster: Possibility of Fluid Leakage From a Hidden Magma System by Yoshida, Keisuke, Uno, Masaoki, Matsuzawa, Toru, Yukutake, Yohei, Mukuhira, Yusuke, Sato, Hiroshi, Yoshida, Takeyoshi

“…This study describes an ongoing intense earthquake swarm in the crust of the northeastern Noto Peninsula, Japan, that began around the end of 2019. Fluid…”
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Supercritical geothermal reservoir revealed by a granite–porphyry system by Tsuchiya, Noriyoshi, Yamada, Ryoichi, Uno, Masaoki

“…•A granite-porphyry system was studied as a natural analog of a supercritical geothermal reservoir.•Veinlet systems (quartz veins, hydrothermal breccia veins…”
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Formation of secondary olivine after orthopyroxene during hydration of mantle wedge: evidence from the Khantaishir Ophiolite, western Mongolia by Dandar, Otgonbayar, Okamoto, Atsushi, Uno, Masaoki, Oyanagi, Ryosuke, Nagaya, Takayoshi, Burenjargal, Ulziiburen, Miyamoto, Tsuyoshi, Tsuchiya, Noriyoshi

“…Metaharzburgite and metadunite in the ultramafic body of the Naran Massif in the Khantaishir Ophiolite, western Mongolia, record multi-stage processes of…”
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NaHCO3 as a carrier of CO2 and its enhancement effect on mineralization during hydrothermal alteration of basalt by Kikuchi, Sena, Wang, Jiajie, Dandar, Otgonbayar, Uno, Masaoki, Watanabe, Noriaki, Hirano, Nobuo, Tsuchiya, Noriyoshi

“…Reaction of carbon dioxide (CO 2 ) with minerals to generate stable carbonates, also known as CO 2 mineralization, has been regarded as one of the most…”
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High-temperature silicified zones as potential caprocks of supercritical geothermal reservoirs by Amanda, Fajar Febiani, Tsuchiya, Noriyoshi, Alviani, Vani Novita, Uno, Masaoki, Yamada, Ryoichi, Shimizu, Shota, Oyanagi, Ryosuke

“…•Granite-porphyry systems preserve similar features to those in geothermal systems.•A fossil supercritical geothermal system was observed in tazawako granite…”
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Enhancement of Permeability Activated by Supercritical Fluid Flow through Granite by Nohara, Tsuyoshi, Tsuchiya, Noriyoshi, Uno, Masaoki

“…This geological study utilized electron probe microanalysis of granitic rocks to evaluate traces of hydrothermal fluid activity. Amphibole-plagioclase…”
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Transport and Evolution of Supercritical Fluids During the Formation of the Erdenet Cu–Mo Deposit, Mongolia by Agroli, Geri, Okamoto, Atsushi, Uno, Masaoki, Tsuchiya, Noriyoshi

“…Petrological and fluid inclusion data were used to characterize multiple generations of veins within the Erdenet Cu–Mo deposit, Mongolia, and constrain the…”
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