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greywacke

美['greɪˌwæk],英['greɪwæk],

释义

na. 硬砂岩; 网络释义: 杂砂岩;灰瓦克;粒状砂岩;

例句

Volcanic detritus are dominant in those composing the reservoir greywacke in the Songliao Basin, and their content can be up to 60%.
松辽盆地深层储层砂岩中岩屑成分主要为火山岩岩屑,体积分数最高可达60%。
The sedimentary members are largely turbidites of greywacke facies.

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