V2EX outcrop

Outcrop

定义 Definition

outcrop(名词/动词)

  • 名词露头;(岩石、地层在地表的)出露处,指原本在地下的岩层或岩石在地面上“露出来”的部分。
  • 动词出露;(岩层、矿脉等)在地表露出。
    (也可泛指“突出的岩石处/岩石露出地面的地方”。)

发音 Pronunciation

/atkrp/

例句 Examples

We sat on a rocky outcrop to rest.
我们坐在一处岩石露头上休息。

Geologists mapped the region by following where the granite outcrops along the valley, revealing the area’s ancient history.
地质学家沿着山谷追踪花岗岩的出露位置来绘制该地区的地图,从而揭示这片区域的远古地质历史。

词源 Etymology

outcrop 形成于19世纪的地质学语境,由 **out-**(“向外、在外”)+ crop(此处含“冒出、突起、露出”的意思)组合而来,形象地表达“岩层从地下向外露出地表”的状态。

相关词 Related Words

文学与著作中的用例 Literary Works

  • Annals of the Former World(John McPhee)以地质考察为主线,常用到包括 outcrop 在内的野外地质词汇。
  • Basin and Range(John McPhee)记录地质与地貌观察,涉及岩层出露(outcrop)等描写。
  • Principles of Geology(Charles Lyell)经典地质学著作,讨论地层与地表证据时会使用 outcrop 这类术语。
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