全部文献期刊学位论文会议报纸专利标准年鉴图书|学者科研项目
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作者:Tomoaki Morishita , Akihiro Tamura ...
来源:[J].Journal of Asian Earth Sciences(IF 2.379), 2018, Vol.160, pp.67-77Elsevier
摘要:Abstract(#br)The mantle sections of four Neotethyan ophiolite bodies viz. Nagaland, Manipur, Andaman island and Rutland island lie along the eastern margin of the Indian plate. Among the at least two existing ophiolite belts in this region, all of these four ophiolite bodies belo...
作者:Tomoaki Morishita , Akihiro Tamura
来源:[J].Journal of Asian Earth Sciences(IF 2.379), 2013, Vol.76, pp.48-58Elsevier
摘要:Abstract(#br)The Shiribeshi Seamount off northwestern Hokkaido, the Sea of Japan, is a rear-arc volcano in the Northeast Japan arc. This seamount is composed of calc-alkaline and high-K basaltic to andesitic lavas containing magnesian olivine phenocrysts and mantle peridotite xen...
作者:Tomoaki Morishita , Biswajit Ghosh ...
来源:[J].Mineralogy and Petrology(IF 1.681), 2018, Vol.112 (4), pp.521-534Springer
摘要:Abstract(#br)We examine ultramafic and olivine-rich troctolite blocks of the East Taiwan Ophiolite (ETO) in the Lichi Mélange. Although ultramafic rocks are extensively serpentinized, the primary minerals, such as olivine, orthopyroxene, clinopyroxene, spinel and plagioclase...
作者:... Shoji Arai , Tomoaki Morishita , Akihiro Tamura
来源:[J].Petrology(IF 0.986), 2017, Vol.25 (1), pp.114-137Springer
摘要:Abstract(#br)The Naein ophiolite is the most complete ophiolitic exposure in Cental Iran and considered as a remnant of the Mesozoic Central East Iranian microcontinent (CEIM) confining oceanic crust. In the northeastern part of this ophiolite (Darreh Deh area) within the mantle ...
作者:Biswajit Ghosh , Jyotisankar Ray , Tomoaki Morishita
来源:[J].Ore Geology Reviews(IF 2.417), 2014, Vol.56, pp.199-208Elsevier
摘要:Abstract(#br)The mantle peridotites of the Naga-Manipur ophiolite belt, India host concordant podiform chromitite bodies that preserve various magmatic and deformation structures. Magmatic structures preserve evidence of a gradual transition from nodular to massive varieties. Nod...
作者:Tomoaki Morishita , Bidisa Sen Gupta ...
来源:[J].LITHOS(IF 3.779), 2014, Vol.198-199, pp.117-128Elsevier
摘要:Abstract(#br)We examined the composition and lithological variability from a road section in south-Andaman which represents a pathway to the crustal section of the Cretaceous Andaman ophiolite. Like other well-studied ophiolites worldwide this transition zone is marked by as...
作者:Tomoaki Morishita , Hidenori Kumagai ...
来源:[J].LITHOS(IF 3.779), 2015, Vol.232, pp.124-130Elsevier
摘要:Abstract(#br)Studies on olivine-rich troctolites from oceanic ridges propose that hybridized mantle rocks may locally constitute small portions of the lower oceanic crust. The exact reaction process by which they originate is still debated and their hybrid nature is controve...
作者:Tomoaki Morishita , Satoko Ishimaru
来源:[J].Contributions to Mineralogy and Petrology(IF 3.476), 2014, Vol.167 (3), pp.1-16Springer
摘要:Abstract(#br)Spinel-hosted hydrous silicate mineral inclusions are often observed in dunite and troctolite as well as chromitite. Their origin has been expected as products associated with melt–peridotite reaction, based on the host rock origin. However, the systematics in m...
作者:Tomoaki Morishita , Satoko Ishimaru ...
来源:[J].Contributions to Mineralogy and Petrology(IF 3.476), 2016, Vol.171 (5)Springer
摘要:Abstract(#br)The crust–mantle boundary zone of the oceanic lithosphere is composed mainly of olivine-rich rocks represented by dunite and troctolite. However, we still do not fully understand the global variations in the boundary zone, and an effective classification of the ...
作者:Tomoaki Morishita , Akihiro Tamura
来源:[J].Contributions to Mineralogy and Petrology(IF 3.476), 2016, Vol.171 (10)Springer
摘要:Abstract(#br)Orthopyroxene-rich and orthopyroxene-poor peridotite xenoliths were sampled from quaternary basaltic to andesitic lava flows of the Shiribeshi seamount, Japan Sea. These xenoliths were affected by reactions with the host magma during transportation to the surfac...

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