请输入您要查询的英文单词:

 

单词 wacke
释义

Definition of wacke in English:

wacke

noun ˈwakəˈwækə
mass nounGeology
  • A sandstone of which the mud matrix in which the grains are embedded amounts to between 15 and 75 per cent of the mass.

    〔地质〕玄砂石;玄武土

    Example sentencesExamples
    • The rounded conglomerate pebbles consist of siltstone, mudstone, wacke, granophyric igneous rocks, and various intermediate to felsic volcanic rocks, set in a matrix rich in quartz and feldspar grains.
    • The upper 300 m of the Haengefjeldet Formation is made up of 3-10 m thick well-sorted, normally graded, matrix-supported sandstones and wackes.
    • Greywacke is an old term still sometimes used for a particular type of wacke especially in grey-coloured turbidite sequences.
    • In the Western zone and the contiguous Hooper Complex, turbiditic quartz wacke was deposited on the Kimberley Craton between c. 1872 and 1865 Ma.
    • The Annascaul Formation is at least 500 m thick, and is dominated by mudrocks with subordinate quartz wacke sandstones, tuffaceous fine conglomerates and melange.

Origin

Early 19th century: from German, from Middle High German wacke 'large stone', Old High German wacko 'pebble'.

Definition of wacke in US English:

wacke

nounˈwakəˈwækə
Geology
  • A sandstone of which the mud matrix in which the grains are embedded amounts to between 15 and 75 percent of the mass.

    〔地质〕玄砂石;玄武土

    Example sentencesExamples
    • The upper 300 m of the Haengefjeldet Formation is made up of 3-10 m thick well-sorted, normally graded, matrix-supported sandstones and wackes.
    • Greywacke is an old term still sometimes used for a particular type of wacke especially in grey-coloured turbidite sequences.
    • The rounded conglomerate pebbles consist of siltstone, mudstone, wacke, granophyric igneous rocks, and various intermediate to felsic volcanic rocks, set in a matrix rich in quartz and feldspar grains.
    • The Annascaul Formation is at least 500 m thick, and is dominated by mudrocks with subordinate quartz wacke sandstones, tuffaceous fine conglomerates and melange.
    • In the Western zone and the contiguous Hooper Complex, turbiditic quartz wacke was deposited on the Kimberley Craton between c. 1872 and 1865 Ma.

Origin

Early 19th century: from German, from Middle High German wacke ‘large stone’, Old High German wacko ‘pebble’.

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:2025/1/31 2:39:21