V2EX geologic time scale

Geologic Time Scale

释义 Definition

地质年代尺度/地质时间尺度:地质学中用来把地球约46亿年的历史按时间顺序分段的体系,通常分为宙(eon)代(era)纪(period)世(epoch)期(age)等层级,用于描述岩层、化石与重大地球事件发生的时间。

发音 Pronunciation (IPA)

/dildk tam skel/

例句 Examples

The geologic time scale helps us understand Earth’s long history.
地质时间尺度帮助我们理解地球漫长的历史。

Using fossils and rock layers, scientists refine the geologic time scale to date major events like mass extinctions and the rise of mammals.
科学家利用化石和岩层来不断校准地质年代尺度,从而为大灭绝、哺乳动物兴起等重大事件确定时间。

词源 Etymology

geologic 来自 geology(地质学),其词根源于希腊语 gē(地球) + -logia(学科、研究)time scale 意为“时间尺度/时间分级体系”。合起来指“用于描述地球历史分段的时间分级表”。(也常见拼写 geological time scale,含义相同。)

相关词 Related Words

文学与著作中的用例 Literary Works

  • Earth: An Introduction to Physical Geology(Tarbuck & Lutgens)以“geologic time scale”作为地质学入门核心概念之一。
  • Principles of Geology(Charles Lyell)系统阐述深时(deep time)与地层思想,为后来的地质年代分段奠定基础(相关章节常讨论并引出时间尺度)。
  • A Short History of Nearly Everything(Bill Bryson,《万物简史》)面向大众解释地球历史分期与“地质时间尺度”的意义。
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