xenolith造句
例句与造句
- Xenoliths are found at numerous horizons, and locally there is evidence of scour and other erosional features .
捕虏体可见于许多层位，并局部可见到冲刷和其他侵蚀特征。 - Significances of deep - seated xenolith in cretaceous basalt of inner mongolia
内蒙古四子王旗早白垩世深源捕虏体的发现及意义 - Lattice preffered orientation and seismic anisotropy of ultramafic xenoliths in damaping , hebei province
河北大麻坪超基性岩包体的岩石组构和地震波速各向异性 - A suit of highly potassic basalt bearing deep - source xenoliths has been discovered recently in the siziwangqi area , inner mongolia
内蒙古四子王旗地区发现含有深源捕虏体的富钾玄武岩。 - Significances of deep - seated xenolith in cretaceous basalt of inner mongolia significances of deep - seated xenolith in cretaceous basalt of inner mongolia
内蒙古四子王旗早白垩世深源捕虏体的发现及意义 - It's difficult to find xenolith in a sentence. 用xenolith造句挺难的
- The xenoliths in the yangyuan , including iherzolite and harzburgite , represent the direct samples from the upper mantle beneath western north china craton
阳原幔源包体包括二辉橄榄岩和方辉橄榄岩，是华北西部上地幔的直接样品。 - The lpo of main minerals of ultramafic xenoliths including spinel lherzolite , spinel harzburgite and plagioclasebearing websterite which collected from damaping , hebei province is analyzed and the seismic velocities of the rocks in
结果表明： 1大麻坪包体中橄榄石与斜方辉石的lpo方位关系与通常所见的100 - A great number of lherzolite xenoliths occurs within the volcanic clastics characterized by terrigenous central type eruption at tianyang , jiudouyang and yingfenglin of qingtongyang , of southern leizhou peninsula
摘要雷州半岛南部田洋、九斗洋及青桐洋的英峰岭等陆相中心式喷发的火山碎屑岩中，分布有大量的二辉橄榄岩包体。 - Siziwangqi of inner mongolia is located on the north margin of north china craton , the junction of north china craton and siberia . granulite xenoliths are found there in cretaceous basalt . these xenoliths are mainly plagioclase - pyroxenite
内蒙古四子王旗地区地处华北板块北缘，与西伯利亚板块的接合部，其早白垩世橄榄玄武岩中发现大量下地壳麻粒岩捕虏体，并可见辉石长石捕虏晶。 - The early tertiary alkali basalts from yangyuan which contain abundant mantle xenoliths exhibit very homogeneous sr - nd isotopes with snd = 5 . 5 . their pb isotopes are similar to those of the depleted mantle ( dm ) and their trace element characteristics resemble those of oceanic island basalts ( oib )
含幔源包体的阳原早第三纪碱性玄武岩具有均一的sr - nd同位素组成( nd 5 . 5 ) ，其pb同位素组成与亏损地幔( dm )相似。 - Through the ree charactheristics being studied , it suggests that the xenoliths from hannuoba , ximeng , and puning area have no the trend of lree enrichment , which ratios of lree / hree approximate 1 . therefore , , it is not different from archean lithospheric mantle
稀土元素地球化学研究表明，汉诺坝、锡盟、普宁等地区包体则无lree富集的趋势， lree hree接近于1 ，因此它们与太古代岩石圈地幔不同，稀土元素特征表明它们遭受了强烈亏损。 - Based on the petrological , petrochemical and geochemical analyses about these rocks , it is concluded in this paper that the xenoliths were originated from the upper mantle , and comprised of both primitive pyrolite and the infusible solid residual of the upper pyrolite while the basaltic magma was melted out of it , which were brought up to the earth ' s surface via o1carnc eruption
根据其岩石学、岩石化学及地球化学特征分析，包体来源于上地幔，其成因既有原始地幔岩，亦有上地幔岩经部分熔融出玄武岩浆后的难熔固相残留物，被火山喷发携带至地表。 - 4 . three type of basalt is recognized in changle region : a , sapphire - embodied alkli - olivine - basalt of niushan group ( most distributed in fangshan ) , enriched with a large number of mantle - orignated xenoliths with different extent of weathering ; b , alkli - olivine - basalt of niushan group with little sapphire embodied , but contan a few mantle - orignated xenoliths usually samller than that of fangshan , most of the mantle - orignated xenoliths weathered seriously only lefting with some vacant caves , this kind of rock mostly lies in cangshan , taohuashan . and qiaoguan volcanic vent , contain amount of ilmenite ; c , olivine - basalt of yaoshan group , contain neither xenoliths nor sapphire
4 、在昌乐地区区分出三类主要的玄武岩： a ，牛山组含矿的碱性橄榄玄武岩，位于方山，含大量的大小不一的风化蚀变程度不同的地幔岩包体； b ，牛山组几乎不含矿的碱性橄榄玄武岩，含少量地幔岩包体，且包体一般比方山小，多数已经遭严重风化而只留下空洞，含有相当数量的钛铁矿，主要位于北岩南部的苍山，桃花山及乔官火山口。 - Directions are obtained by two means : calculation and measure . our investigations are summed as follows : 1 the lpo relations between olivine and orthopyroxene are different from usually situations : 100ol 001opx , 010ol 100opx , 001ol 010opx ; 2 the seismic anisotropy of the ultramafic rocks in damaping is obvious . their characters are consistent with the structures of the rocks and fabrics of minerals , which means seismic anisotropy is mainly controlled by rocks fabrics ; 3 seismic velocities suggest that the composition of upper mantle in damaping region is resemble to the xenoliths , which major component is lherzolite
不同2大麻坪地区幔源包体的波速各向异性显著，岩石的波速各向异性特征与其宏观构造和微观组构一致，说明岩石组构是造成地震波速各向异性的决定因素3由地震波速推测的大麻坪地区的上地幔成分与包体出露的情况一致，即主体为二辉橄榄岩。 - According to the sr - nd isotopic characteristics of peridotite xenoliths and their host basalts , it indicates that xenoliths in hannuoba , puning area may represent source area of the host basalt because of the xenoliths and host rocks being in the same plot ; however , the xenoliths is not directly related to their host rocks of the others area for the xenoliths plot out of the range of their host basaltic rocks . thermal dynamics calculation shows that the peridotite xenoliths are formed in the condition of pressure of 9 . 45 - 25kb and temperature of 945 - 1281
橄榄岩包体及其寄主玄武岩的sr - nd同位素研究表明，汉诺坝与普宁地区部分包体样品投点落在其寄主玄武岩nd和sr同位素的分布范围内，表明橄榄岩包体代表了寄主玄武岩的源区，而其它大部分地区的包体其寄主玄武岩范围之外，表明寄主玄武岩和橄榄岩包体无成因联系，橄榄岩包体只是偶然包体。
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