基性脉岩

本文从岩石学和地球化学方面对鲁西地区淄博盆地几个岩区的基性脉岩的成因和源区性质进行了探讨。

In this paper , analyses of major elements and trace elements for mafic dikes in several rock areas of the Zibo basin in West Shandong Province are reported .

利用稀土元素特征对闽西基性脉岩的成岩方式和岩浆演化机制进行探讨。

Based on the characteristics of REE ( rare earth elements ) of mafic dikes in western Fujian Province in China , both petrogenetic type and magma evolution mechanism of the rocks were discussed .

太行山南段早元古代基性脉岩的~（40）Ar-~（39）Ar年代学及其构造意义

~ ( 40 ) ar - ~ ( 39 ) ar geochronology of Paleoproterozoic mafic dykes from southern Taihang Mountains and its geological significance

金矿脉与中基性脉岩相互交切、相伴产生；

The gold veins are usually associated with the intermediate basic rock veins ;

其原岩是基性脉岩。

The primitive rocks are basic vein rocks .

江西相山火山&侵入杂岩及中基性脉岩形成时代研究

Formation Age of the Intermediate - basic Dikes and Volcanic & Intrusive Complex in Xiangshan , Jiangxi Province

火山岩、碱性超基性脉岩和基性脉岩（除少数外）都形成于大陆板内拉张环境。

The mafic dikes , volcanic rocks and alkalic-ultramafic dikes are terrestrial , and were all formed in the extensional settings .

本文对矿区的黑云母花岗岩、脉岩、矿石的稀土元素地球化学特征进行了系统研究，认为矿区的花岗岩、中基性脉岩、成矿流体具有同源性，继承性；

The paper researches REE geochemistry characteristics of biotite granites , dikes and ore , considering granites , intermediate-basic dikes and mineralizing fluid have the consanguinity and inheritance ;

碱性超基性脉岩岩性上为单一的橄榄辉石岩，为富集地幔源低度（3.4%）部分熔融作用的产物，岩浆演化过程经历了以橄榄石为主的分馏作用。

The alkalic-ultramafic dikes formed by low degree partial melting ( 3.4 % ) of enriched mantle , consist of single olivine pyroxenolite , the dominating olivine fractionation is evident .

这一角岩化基性脉岩的发现，揭示在古生代相山铀矿田变质基底仍然遭受着断裂活动、岩浆活动和变质作用三者相伴随的较为强烈的地质构造作用。

The discovery of hornfelsed basic rock veins discloses that strong geologic process with the activity of fault , magma and metamorphism were still taken placed in Paleozoic era within the metamorphic basement of the Xiangshan uranium ore field .