请输入您要查询的英文单词:

 

单词 ultrabasic
释义

Definition of ultrabasic in English:

ultrabasic

adjective ˌʌltrəˈbɛɪsɪkˌəltrəˈbāsik
Geology
  • Relating to or denoting igneous rocks having a silica content less than 45 per cent by weight.

    〔地质〕超基性的

    Example sentencesExamples
    • This convergence gave rise to southward thrusting of the Yixieke forearc in Ordovician-Early Silurian time, which then led to obduction of the Buziwan ultrabasic rocks southward over the Kudi terrane.
    • Their southward imbrication within the Kudi gneisses, the similar lithology and occurrence close to the Buziwan ultrabasic rocks near Kudi village may indicate they could have been part of Buziwan ophiolite.
    • On the other hand, the Kudi gneisses are imbricated with an ophiolitic slice south to Kudi, and overthrust by the Buziwan ultrabasic rocks.
    • Major shear zones containing basic and ultrabasic igneous rocks are interpreted as suture zones.
    • Jansen also describes gabbro, diabase, ultrabasic rocks and Permian limestones in a comparable section on Naxos.

Definition of ultrabasic in US English:

ultrabasic

adjectiveˌəltrəˈbāsik
Geology
  • Relating to or denoting igneous rocks having a silica content less than 45 percent by weight, most of which are also ultramafic.

    〔地质〕超基性的

    Compare with ultramafic
    Example sentencesExamples
    • This convergence gave rise to southward thrusting of the Yixieke forearc in Ordovician-Early Silurian time, which then led to obduction of the Buziwan ultrabasic rocks southward over the Kudi terrane.
    • On the other hand, the Kudi gneisses are imbricated with an ophiolitic slice south to Kudi, and overthrust by the Buziwan ultrabasic rocks.
    • Jansen also describes gabbro, diabase, ultrabasic rocks and Permian limestones in a comparable section on Naxos.
    • Major shear zones containing basic and ultrabasic igneous rocks are interpreted as suture zones.
    • Their southward imbrication within the Kudi gneisses, the similar lithology and occurrence close to the Buziwan ultrabasic rocks near Kudi village may indicate they could have been part of Buziwan ophiolite.
随便看

 

英汉双解词典包含464360条英汉词条,基本涵盖了全部常用单词的翻译及用法,是英语学习的有利工具。

 

Copyright © 2004-2022 Newdu.com All Rights Reserved
更新时间:2024/12/27 20:16:59