lherzolite
- 网络二辉橄榄岩;两辉橄榄岩
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Discussion about the origin of the lherzolite xenoliths in southern Leizhou Peninsula
雷州半岛南部二辉橄榄岩包体成因探讨
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The temperature-moisture fluctuation character of sound lump echoes on the texture and fabric of some lherzolite nodules in Cainozoic basalt from eastern China
声回波团块结构的温湿脉动特征中国东部新生代玄武岩中二辉橄榄岩团块的结构和组构
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Formation Conditions and Age for Garnet Lherzolite from Eastern Shandong and Northern Jiangsu , China
然而中苏的地理接近,却是中国抗战的有利条件。胶东&苏北石榴石二辉橄榄岩形成条件及年代
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Study on garnet lherzolite xenoliths from eastern China
中国几个地方的石榴石二辉橄榄岩捕虏体研究
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On the texture and fabric of some lherzolite nodules in Cainozoic basalt from eastern China
中国东部新生代玄武岩中二辉橄榄岩团块的结构和组构
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Rheological Features of Garnet Lherzolite Xenoliths from Xinchang , Zhejiang Province , China and their Geological Implications
浙江新昌石榴石二辉橄榄岩包体的流变特征及其地质意义
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The mantle xenoliths are dominated by spinel lherzolite .
包体类型主要为尖晶石二辉橄榄岩。
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Mantle xenoliths captured in alkali basalt occurs widely in the Liuhe district , Jiangsu province , China , dominantly by spinel lherzolite .
浙江新昌一带晚第三纪碱性玄武岩中地幔岩(二辉橄榄岩)捕虏体内存在大量硫化物熔体包裹体。
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The upper mantle consists of lherzolite , and it seems that there is a transition zone between spinel and garnet lherzolites .
上地幔由超镁铁质的二辉橄榄岩组成,在尖晶石二辉橄榄岩和石榴石二辉橄榄岩之间有一过渡层。
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The host rocks of the garnet pyroxenite are spinel peridotites , including spinel harzburgite and lherzolite .
石榴辉石岩的寄主岩是尖晶石橄榄岩类,包括尖晶石方辉橄榄岩和尖晶石二辉橄榄岩。
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Dislocation configurations in olivine from Cenozoic mantle-derived spinel lherzolite xenoliths beneath Maguan , Yunnan Province were analyzed by oxidation decorating technique .
利用氧化缀饰法研究了云南马关新生代地幔尖晶石二辉橄榄岩包体中橄榄石的位错构造。
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Microstructures of olivine from Cenozoic mantle-derived spinel lherzolite xenoliths beneath maguan , Yunnan Province and its reflection of physical state of upper mantle
云南马关新生代地幔包体中橄榄石的显微构造及其反映的上地幔物理状态特征
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Small granule ( of e.g. chrysolite ) found in some meteoric rocks . Formation Conditions and Age for Garnet Lherzolite from Eastern Shandong and Northern Jiangsu , China
一些陨石中发现的细小微粒(如贵橄榄石微粒)。胶东&苏北石榴石二辉橄榄岩形成条件及年代
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The partial melting of the upper mantle not only controlled the evolution of mantle rock types ( lherzolite → harzber-gite → dunite ) but also played a critical role for chromite preconcentration .
上地幔部分熔融作用不仅控制了上地幔岩石类型演化(二辉橄榄岩→方辉橄榄岩→纯橄榄岩),同时它对铬铁矿的预富集起着关键作用。
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The mixing of low degree melts of spinel lherzolite ( 2 ~ 5 % ) and garnet lherzolite ( < 2 % ) can explain the REE features in Jining basalts .
尖晶石二辉橄榄岩的低程度部分熔融(2~5%)熔体与石榴石二辉橄榄岩更低程度部分熔融(<2%)熔体的混合,可以解释集宁玄武岩稀土元素的变化特征。
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The vP values of lherzolite and pyroxenite obtained at 1.4 GPa are 7.87 km / s and 7.47 km / s respectively . These values are closest to that of rocks from the crust-mantle transition zone .
在1.4GPa压力下获得二辉橄榄岩和辉石岩的弹性波速分别为7.87km/s和7.47km/s,最接近壳幔过渡带的弹性波速。
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The crust-mantle boundary as derived from this geotherm is located at a depth of about 38 km , but spinel lherzolite was found at a depth of 32 km , indicating the under-plating of upper mantle materials .
由该地温线推导的壳幔边界为38km左右,但尖晶石二辉橄榄岩在32km左右即已开始出现,表明存在上地幔物质的底侵作用。
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The compositions of continental lithospheric mantle ( CLM ) under Eastern Yangtze Block ( EYB ) are discussed here based on the compositions of spinel lherzolite xenoliths contained in Cenozoic alkalic basalts distributed over Jiangsu-Anhui area .
根据苏皖地区新生代碱性玄武岩中的尖晶石二辉橄榄岩包体的化学成分,讨论了扬子地块东段大陆岩石圈地幔的物质成分。
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It may be suggested that websterite xenoliths came from cooler lithosphere and lherzolite ones from the depth near to lithosphere asthenosphere boundary , and the latter is also indicating a smaller geotherm gradient that is nearly close to typical advective geotherm gradient .
二辉辉石岩包体来自较冷的岩石圈,而二辉橄榄岩来自岩石圈与软流圈的过渡带,并且表明后者的地温梯度以对流热地温梯度为主。
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Lithologic types of the massifs are mainly harzburgite and dunite , with subordinated lherzolite ( orthopyroxene : 5 ~ 7 % ) . The textures and structures are similar to those of metamorphic rocks , and micro - plastic deformation of minerals is ubiquitous .
主要岩石类型是方辉橄榄岩和纯橄榄岩,二辉橄榄岩极少(单斜辉石含量5~7%),具有典型的变质岩结构构造特征,矿物显微塑性变形普遍发育。
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Based on the petrology , geochemistry and calculation , we suggest that the picrite-leucitite and olivine-leucite basalt were solidified by primitive magma which derived from phlogopite-bearing lherzolite mantle by partial melting , the degree of partial melting is respectively 3.5 % and 4.3 % about .
苦橄白榴岩、橄榄白榴玄武岩为原生岩浆冷凝产物,由金云母二辉橄榄岩成分的上地幔经部分熔融(约3.5-4.3%)所形成。
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The Shanwang basalts contain ultramafic inclusions and megacrysts of clinopyroxene and anorthoclase . The ultramafic inclusions can be divided into five classes : spinel dunite , spinel lherzolite , spinel harzburgite , spinel-garnet websterite and garnet lherzolite .
山旺新生代玄武岩中的超镁铁质包体分为五类:尖晶石纯橄榄岩、尖晶石二辉橄榄岩、尖晶石方辉橄榄岩、尖晶石石榴石二辉岩和石榴石二辉橄榄岩。