tholeiite

Tholeiite has a zircon SHRIMP U-Pb age of 352 Ma, suggesting that the formation of the ophiolites may have continued till the Late Devonian-Early Carboniferous.

拉斑玄武岩SHRIMP锆石年龄352Ma，说明蛇绿岩的形成可持续到晚泥盆世&早石炭世。

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Basic suite consists of tholeiite and alkali-basalt.

基性岩套由拉斑玄武岩-碱性玄武岩组成.

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Basalt series and only one sample belongs to tholeiite series.

大部分样品属碱性玄武岩系列，个别属拉斑玄武岩系列。

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The chemical characteristics indicate that the protolith of eclogites were possibly tholeiite with a continental affinity, whereas the garnet peridotites were derived from a depleted mantle.

地球化学研究揭示，榴辉岩的原岩很可能是形成在大陆内部构造环境的拉斑玄武岩，而石榴石橄榄岩可能是起源于亏损的残余地幔。

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Abundant copper material was derived from volcanic rock series ( olivine tholeiite) in the rift.

丰富的铜质来自巨厚的裂谷火山岩系（橄榄拉斑玄武岩）。

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It is believed that the basalt in the area is characterized by continental tholeiite and the copper deposit belongs to a basalt type copper deposit formed by syn-volcanic hydrothermal mineralization superimposed by buried metamorphic transformation.

研究认为，本区玄武岩具大陆拉斑玄武岩特征，铜矿属火山同生热液成矿叠加埋藏变质作用改造形成的玄武岩铜矿。

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According to petrochemistry characteristics, middle basalts are named quartz tholeiite primarily and southern ones olivine tholeiite.

根据岩石化学特征命名，中部样品主体为石英拉斑玄武岩，南部样品则为橄榄拉斑玄武岩。

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The compositions of major elements from the rocks are consistent with those of basalt and have evolutional current of tholeiite.

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。

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On the basis of quantity calculation of petrochemistry data and from the judge of distributed model of rare-earth elements, these, rocks mainly belong to the oceanic tholeiite series and a part belongs to the lime-alkali series.

根据大量岩石化学分析结果及稀土元素配分模式判断，大部分属大洋拉斑玄武岩系列，部分为钙碱玄武岩系列。

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The REE distribution patterns with high value of Σ REE, enrichment of LREE and incline to the right are similar to the island-arc tholeiite.

稀土含量特征及球粒陨石标准化模式与岛弧拉斑玄武岩的特征相似，w（∑ree）值高，且富轻稀土，稀土配分模式为右倾型。

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The chemical composition of the basalt breccia is projected into the scope of tholeiite in the Total Alkaline-SiO_2 correlogram, and its oxidation index ( 0.63) indicate its epigenetic origin in oxidizing milieu.

玄武岩角砾的化学成份在全碱-SiO2相关图上投影点属拉斑玄武岩，其氧化系数（0.63）表明为近地表氧化环境形成。

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Abundant copper material was derived from volcanic rock series ( olivine tholeiite ) in the rift.

丰富的铜质来自巨厚的裂谷火山岩系 ( 橄榄拉斑玄武岩 ).

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The komatiite displays a geochemical trend from ultramafic to mafic, and the tholeiite shows a geochemical trend from rich Mg to rich Fe. The felsic igneous rock overlying the komatiite series displays a calc alkaline trend.

科马提岩显示了从超镁铁质到镁铁质地球化学趋势，拉斑玄武岩具有从富镁到富铁的趋势，而上覆长英质火山岩则遵循钙-碱趋势。

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Consequently, the greenschists in the central Fujian province are considered to be derived from the continental tholeiite formed in a continental rift tectonic setting. Its primary magma is high MgO tholeiite.

因此，绿片岩原岩为大陆拉斑玄武岩，其形成的构造背景为大陆裂谷。原生岩浆是高镁拉斑玄武岩浆。

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The parental magmas are high-magnesium tholeiite, but have different contents in MgO.

三个岩体的母岩浆性质相似，均为含有水的高镁拉斑玄武岩。但是它们的母岩浆中MgO的含量有别。

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Au ( Cu, Ni, Cr) subseries related to Na-rich and high-alkaline basalt and tholeiite of paleozoic arc island(ⅱ);

古生代岛弧区与富钠高碱玄武岩拉斑玄武岩有关的Au（Cu、Ni、Cr）成矿亚系列；

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The amphibolite and basic granulite may be comparable to the world's metamorphic tholeiite.

斜长角闪岩和基性麻粒岩可与世界变质拉斑玄武岩对比.

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Therefore, the element ratios can be applied to the study of trace element characteristics of rocks in the tholeiite source region.

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。

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Various LIPs have important temporal, spatial and compositional similarities, characterized exclusively by huge melt volume, high eruption rates and preponderant tholeiite.

各种不同的大火成岩省在时空分布及组成上都具有相似性，它们具有非常大的体积、高的喷发速率，岩石类型以拉斑玄武岩为主。

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Association of continental alkaline basalt with oceanic tholeiite and oceanic island basalt in the junction is reasonably interpreted.

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。

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Features and significance of marine tholeiite of Early Proterozoic in Liaodong Peninsula

辽东半岛早元古宙海相拉斑玄武岩特征及其意义

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The basic, intermediate, acidic lava-and associated volcaniclastic rock are of widespread occurence, which are dominanted by tholeiite, alkali-lime and alkaline volcanic series, and some ultra-alkaline volcanic rock.

基性、中性、酸性熔岩和火山碎屑岩均有，以拉斑玄武岩、钙碱性火山岩和碱性火山岩系列为主，极少量过碱性火山岩。

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The REE of breccia biotite schist represents feature of oceanic tholeiite.

角砾状黑云母片岩的REE具有洋脊拉斑玄武岩特征；

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The pattern distributed of rare elements and REE in spilite is analogous to that of tholeiite in island curve.

细碧岩微量元素及稀土元素分配型式类似岛弧拉斑玄武岩。

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A dark, fine-grained igneous rock; diabase. The amphibolite and basic granulite may be comparable to the world's metamorphic tholeiite.

粗玄岩，辉绿岩一种暗色微粒火成岩；辉绿岩斜长角闪岩和基性麻粒岩可与世界变质拉斑玄武岩对比。

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The REE of calc-alkali basalt and tholeiite are characterized by lower amounts of REE and LREE-depleted distribution pattern and which reflect that the basalts were formed by the partial melting of LREE-depleted and slightly HREE-rich mantle.

钙碱性玄武岩系列和拉斑玄武岩系列玄武岩具有低的REE含量和亏损的LREE配分型式，表明它是由LREE亏损和HREE略有富集的地幔部分熔融形成；

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Adakite can be formed diversely. It may be classified into the following six types: ① typical adakite, which is derived from potassium-poor tholeiite or MORB and usually formed by subducted slab melting;

埃达克岩具有多样性，大体可分为下列几种：①典型的埃达克岩（adakite），源于贫K的拉斑玄武岩，大多是由俯冲板片熔融形成的；

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The basalt in the south zone belongs to tholeiite series, enriched in all the trace elements and REE except Y, Yb, Sc and Cr, showing its characteristics are consistent with those of oceanic tholeiite.

南带玄武岩除Y、Yb、Sc、Cr外，其他均富集，显示与大洋拉斑玄武岩曲线一致。

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The first and third divisions are of marine origin; lithologically represented by olivine tholeiite and olivine basalt locally With pyroclastic rocks, being 49 m and 15-58 m respectively.

其中一、三段为陆相喷发的橄榄拉斑、玄武岩、橄榄玄武岩，局部夹火山碎屑岩，厚度分别为49m和15～55m。

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Ultrabasic rock Basic suite consists of tholeiite and alkali-basalt.

超碱岩，超基性岩基性岩套由拉斑玄武岩-碱性玄武岩组成。

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