alkali basalt

The rock types include amygdaloidal basalt, dolerite, massive basalt, olivine basalt and andesite-basalt, which belong to the alkali basalt series.

岩石类型包括杏仁状玄武岩、粗玄岩、块状玄武岩、橄榄玄武岩和安山玄武岩，属碱性玄武岩系列。

According to the main rock-forming minerals in them, the Cenozoic volcanic rocks are mainly alkali olivine basalt, basanite and nephelinite.

郯庐断裂带中段的新生代火山岩以碱性系列的碱性橄榄玄武岩、碧玄岩和霞石岩为主，其中又以钠质亚系的岩石为主。

Penglai basalt, an alkali basalt, consists of magnetite and those silicate minerals suchas olivine, augite and alkali feldspar.

蓬莱玄武岩是一种碱性玄武岩，由磁铁矿、橄榄石、普通辉石和碱性长石组成。

There are primarily two genetic type sapphires in current jewelry market, one is of magma genesis and existed in alkali basalt, and the other is of contact metasomatic genesis caused by the intrusion and dolomitic marble.

目前市场上蓝宝石主要有二种成因，即碱性玄武岩中岩浆成因和由侵入体与白云质大理岩接触交代成因。

Research on petrology and geochemistry of Cenozoic Neogene basalts on Jiangsu-Anhui border revealed that basalts had the characteristics of alkali basalt system rich in Titanium 、 al-kali 、 lithophile element.

本文通过对苏皖嘉山一盱眙地区新生代晚第三纪玄武岩的岩石学、岩石化学及岩石地球化学的研究表明该区玄武岩具有富钛、富碱和贫铝的特点、属大陆碱性玄武岩系列。

Alkali olivine basalt magma

碱性橄榄玄武岩岩浆

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。

petrographic studies suggest that the mineral assemblage is composed of olivine, clinopyroxene and plagioclase, which is consistent with common mineral assemblage of a characteristic alkali basalt.

岩石学特征表明，南海新生代玄武岩的矿物组合为橄榄石、单斜辉石、斜长石，与特征的碱性玄武岩的矿物组合一致。

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.

The basic volcanic rocks of the first cycle belong to the alkali basalt magma series and those of the second and the third cycles the tholeiitic magma series.

第一旋回基性火山岩属碱性系列，第二、三旋回基性火山岩属拉斑玄武岩系列。