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ultrabasic

美 [ˌʌltrə'beɪsɪk]英 ['ʌltrə'beɪsɪk]

adj.【化】超碱的
网络超基性；超基性的

复数：ultrabasics

ultrabasic

ultrabasic

英-汉英-英网络释义

ultrabasic

超基性

通常将火成岩分为四大类：超基性（Ultrabasic）(SiO2<45%)，基性（Basic）(SiO2 45～53%)，中性（Intermediate）(SiO2 53…

超基性的

石油英语词汇_专业词汇_专业英语... ... ultrabasic rock 超基性岩 ultrabasic 超基性的 ultracentrifugal method 超离心法 ...

1

In an ultrabasic rocks in North Jiangsu, corundum was first discovered and some was up to gem grade .

苏北某地超基性岩中，首次发现了红刚玉，少量已达宝石级。

2

This may be up to 50km thick and comprises ultrabasic peridotite .

其厚度可达 50 公里并由超基性的橄榄岩所组成。

3

4

The ultrabasic rocks form a complex of large tectonic slices with intercalated slices of Sebakwian sedimentary rocks .

超基性岩与塞巴奎沉积岩岩片相间构成一巨大的构造岩片的杂岩体。

6

7

Ultrabasic rocks have a silica content less than 45%. Peridotite is the typical intrusive rock which consists of olivine and pyroxene.

超基性岩的 SiO2 含量小于 45%，它的侵入岩叫做橄榄岩，主要由橄榄石、辉石等矿物组成。

8

From the results a quantitative evaluation of the ultrabasic rock mass is performed .

在此基础上，对超基性岩体质量进行了评价。

10

The Characteristics of basic -ultrabasic rocks in the back-arc rift system on the northeastern margin of the Tarim plate

塔里木板块东北边缘弧后裂谷系统基性、超基性岩特征

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