V2EX overthrust

OVERTHRUST

Definition 释义

(地质)逆冲断层;推覆断层:一种低角度的逆断层,使较老的岩层沿断层面被推移到较新的岩层之上。(也可指由此形成的“推覆体/推覆片”)

Pronunciation 发音(IPA)

/ovrθrst/

Examples 例句

An overthrust can place older rocks on top of younger ones.
逆冲(推覆)断层会把较老的岩石推到较新的岩石之上。

Geologists mapped a major overthrust that helped explain the region’s folded strata and earthquake history.
地质学家绘制出一条重要的推覆断层,这有助于解释该地区褶皱的地层以及地震活动历史。

Etymology 词源

由 **over-**(“在……之上、越过”)+ thrust(“推、推进”)构成,字面意思是“向上/越过地推挤”。在地质学中用来描述板块挤压环境下岩层被“推上去”的断层运动与构造结果。

Related Words 相关词

Literary Works 文学/著作中的用例

  • Structural Geology(Haakon Fossen):在讲解挤压构造与推覆构造时频繁使用 overthrust 相关术语。
  • Principles of Physical Geology(Arthur Holmes):讨论造山带与推覆断层(overthrusting/overthrust)现象。
  • Earth(Press & Siever):在板块构造与山脉形成章节提到推覆断层/推覆构造。
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