V2EX graben

Graben

释义 Definition

地堑(地质):由断层作用造成的、两侧相对抬升而中间地块相对下陷形成的狭长凹陷地形或构造单元,常见于伸展构造环境(如裂谷带)。

发音 Pronunciation (IPA)

/rbn/

例句 Examples

A graben formed after the earthquake.
地震之后形成了一条地堑。

In an extensional tectonic setting, a graben may develop between parallel normal faults, creating a long, sunken valley that can later fill with sediments.
在伸展构造环境中,地堑可能在两条平行的正断层之间发育,形成狭长的下陷谷地,之后还可能被沉积物逐渐填充。

词源 Etymology

graben源自德语 Graben,本义为“沟、壕、沟渠”。19世纪地质学发展时期,许多构造地质术语借自德语,该词遂被用于指代“断陷形成的沟状构造”,即“地堑”。

相关词 Related Words

文学与著作中的用例 Literary Works

  • Charles Lyell《Principles of Geology》(《地质学原理》):讨论断层与地壳形变时常涉及类似“地堑/断陷谷”的构造概念与术语。
  • Eduard Suess《The Face of the Earth》(《地球的面貌》):在构造地质与地形演化的论述中使用并推广了包括 graben 在内的经典术语。
  • John McPhee《Annals of the Former World》(《昔日世界纪事》):以通俗叙述结合地质术语,涉及断层、裂谷与相关构造(可见 graben 等词的使用)。
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