basic igneous rock meaning in English
基性火层岩
基性火成岩
Examples
- The results indicate : ( 1 ) the distribution of magmatic rocks shows the feature that in the middle and western part of the study area basic igneous rocks dominate , and in the middle - eastern part intermediate rocks are predominant , while in the southeastern part acid ones are developed . ( 2 ) in the area west to the shiwandashan basin , intermediate magmatites were controlled by deep ne - striking and nw - striking faults , especially at the conjunction site of these two group faults , magmatic activity was strong ; and its tectonic background can be attributed to extensional continental rift
其中，在十万大山盆地以西地区的偏基性岩浆活动受北东和北西向深断裂控制明显，尤其以此两组断裂交汇处的岩浆活动强烈，盆地构造背景属大陆伸展裂谷环境；在十万大山盆地以东地区为偏酸性岩浆活动，主要受东吴运动形成的钦防造山带的控制，属大陆边缘造山带或岛弧造山带环境。 - According to the comparison and analysis of mineral composition and geochemical characteristics of trace element , sulfur isotope , hydrogen and oxygen isotope , lead isotope and rare earth element in the gold ore and the altered spilite from the deposits of huachanggou gold mine , it was confirmed that the gold ore had obvious succession of the basic igneous rock
摘要通过对铧厂沟金矿床金矿石和蚀变细碧岩矿物组成、微量元素、硫同位素、氢氧同位素、铅同位素及稀土元素地球化学特征地对比分析，得出金矿石对该基性火山岩存在明显的继承性。