V2EX shear zone

Shear Zone

定义 Definition

剪切带;剪切带构造:地质学中指地壳或岩石圈内一个相对狭长的变形集中区,岩石在其中发生强烈的剪切变形,常伴随糜棱岩化、片理/线理发育以及断层相关的位移与流变。

发音 Pronunciation (IPA)

/r zon/

例句 Examples

A shear zone can form deep in the crust.
剪切带可以在地壳深部形成。

Geologists mapped the shear zone to understand how the terrane moved and how fluids altered the rocks during deformation.
地质学家绘制剪切带分布,以理解地体如何发生位移,以及变形过程中流体如何改造岩石。

词源 Etymology

shear 源自古英语 scieran,意为“剪、切”,引申为材料在相对方向受力时发生的“剪切(形变)”;zone 源自希腊语 zōnē,本义为“带、腰带”,在科学语境中常指“带状区域”。合起来 shear zone 就是“发生剪切变形的带状区域”。

相关词 Related Words

文学与典籍 Literary Works

  • Twiss & Moores, Structural Geology(结构地质学教材中频繁讨论剪切带与相关构造)
  • Fossen, Structural Geology(系统讲解脆韧性变形及剪切带类型与识别)
  • Ramsay & Huber, The Techniques of Modern Structural Geology(现代构造地质技术与剪切带几何/运动学分析)
  • Passchier & Trouw, Microtectonics(从显微构造角度解析剪切带中的矿物与织构)
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