玄武岩属于亚碱性系列中的拉斑玄武岩。
浙江新生代玄武岩主要岩石类型为橄榄拉斑玄武岩。
The chief type of Cenozoic basalts in Zhejiang is of olivine-tholeiites.
绿片岩原岩是一套含板内拉斑玄武岩的火山沉积建造。
The greenschists originated from a series of volcanic - sedimentary formations with intercalated intracontinental tholeiites.
这些特征显示大陆拉斑玄武岩的特征，不是蛇绿岩组成单元。
All of above characteristics show that the Qingshuiquan basalt is continent tholeiite, rather than a component unit of ophiolites.
岩石的主量元素组成和玄武岩一致，并且具有拉斑玄武岩演化趋势。
The compositions of major elements from the rocks are consistent with those of basalt and have evolutional current of tholeiite.
地球化学研究表明，其为典型的大洋拉斑玄武岩（MORB型玄武岩）。
The study of geochemistry indicates that these metabasic volcanic rocks are characterized with N-type MORB (mid-ocean ridge basalt).
因此研究拉斑玄武岩源区岩石中的微量元素特征可以采用元素比值的方法。
Therefore, the element ratios can be applied to the study of trace element characteristics of rocks in the tholeiite source region.
岩浆起源于上地幔，属于拉斑玄武岩系列，发生过金属硫化物的熔离作用。
The magma originated from the upper mantle and belongs to the tholeiitic series which has undergone immiscible separation of metal sulfide.
湘东南玄武质岩石包括碱性玄武岩和拉斑玄武岩两个系列 ，以碱性玄武岩系列为主。
The basaltic rocks in Southeastern Hunan Province include alkali basaltic series and tholiitic basaltic series, the alkali basaltic series is in great number.
较合理地解释了结合带内，大洋拉斑玄武岩、洋岛玄武岩、大陆碱性玄武岩共存的地质特征。
Association of continental alkaline basalt with oceanic tholeiite and oceanic island basalt in the junction is reasonably interpreted.
晚三叠世末-早侏罗世为同造山上隆伸展环境，形成的主要地质要素是裂陷盆地与拉斑玄武岩；
A syn-orogenic uplift-extensional tectonic setting occurs in the late episode of Late Triassic-Early Jurassic, which is characterized mainly by down-faulted basins and tholeiite;
湘东南汝城盆地火山岩系由辉绿岩、玄武岩和玄武质火山碎屑岩组成，属于低钾拉斑玄武岩系。
The volcanic rock series in the Rucheng basin in southeastern Hunan is composed of the basalt, diabase and basaltic pyroclastic rock.
相对主体拉斑玄武岩，东川碱性火山岩贫ree特别是LREE，推测源区发生过先期熔融事件。
Compared with the dominant tholeiites the alkaline volcanics from Dongchuan district are less enriched in LREE, probably resulting from earlier melting events in their source.
结果表明，该区的斜长角闪岩是由大洋拉斑玄武岩变质而成，变粒岩则是由酸性沉积岩变质而成。
It was shown that the amphibolite was transformed from oceanic tholeiitic basalts and the leptynite was converted from acidic sedimentary rocks.
结果表明，该区的斜长角闪岩是由大洋拉斑玄武岩变质而成，变粒岩则是由酸性沉积岩变质而成。
It was shown that the amphibolite was transformed from oceanic tholeiitic basalts and the leptynite was converted from acidic sedimentary rocks.
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