请输入您要查询的英文单词:

 

单词 clast
释义

Definition of clast in English:

clast

nounklastklast
Geology
  • A constituent fragment of a clastic rock.

    Example sentencesExamples
    • Geochemical analyses of these clasts show that the eruption tapped two chemically distinct rhyolitic magmas.
    • This is substantiated by the presence of eroded Permian carbonate clasts.
    • The clasts in volcaniclastic rocks may range from fine ash to bombs and enormous blocks.
    • The siltstones contain poorly sorted angular fragments of quartz, and angular clasts and cleavage fragments of plagioclase and alkali feldspar.
    • The conglomerates contain a mixture of basement-derived clasts and large Upper Permian limestone clasts.

Origin

1930s: back-formation from clastic.

 
 

Definition of clast in US English:

clast

nounklast
Geology
  • A constituent fragment of a clastic rock.

    Example sentencesExamples
    • The clasts in volcaniclastic rocks may range from fine ash to bombs and enormous blocks.
    • Geochemical analyses of these clasts show that the eruption tapped two chemically distinct rhyolitic magmas.
    • This is substantiated by the presence of eroded Permian carbonate clasts.
    • The conglomerates contain a mixture of basement-derived clasts and large Upper Permian limestone clasts.
    • The siltstones contain poorly sorted angular fragments of quartz, and angular clasts and cleavage fragments of plagioclase and alkali feldspar.

Origin

1930s: back-formation from clastic.

 
 
随便看

 

英语词典包含464360条英英释义在线翻译词条,基本涵盖了全部常用单词的英英翻译及用法,是英语学习的有利工具。

 

Copyright © 2004-2022 Newdu.com All Rights Reserved
更新时间:2024/12/24 1:39:37