V2EX paleogene

Paleogene

释义 Definition

古近纪:地质年代单位,属于新生代最早的一个纪,约从6600万年前到2300万年前。这一时期在恐龙灭绝后的生态恢复与哺乳动物、鸟类等类群的快速多样化方面很重要。(该词也常作为形容词使用,如 Paleogene rocks “古近纪岩石”。)

例句 Examples

The fossils were dated to the Paleogene.
这些化石被测定为古近纪时期。

During the Paleogene, many mammal groups diversified as ecosystems recovered after the end-Cretaceous extinction.
在古近纪期间,随着白垩纪末大灭绝后的生态系统逐步恢复,许多哺乳动物类群迅速分化并走向多样化。

发音 Pronunciation (IPA)

/pe.li.din/

词源 Etymology

Paleogene 来自希腊语构词:palaios(“古老的”)+ -genēs(“产生的、形成的”)。字面意思可理解为“较早形成的(时期)”,用于指新生代早期的一段地质年代。

相关词 Related Words

文学与著作中的用例 Literary & Notable Works

  • The Sixth Extinction: An Unnatural History(Elizabeth Kolbert)讨论生物大灭绝与地质时间背景时常提及古近纪相关内容。
  • A Short History of Nearly Everything(Bill Bryson)在介绍地球历史与地质年代时涉及古近纪等术语。
  • Principles of Geology(Charles Lyell)及相关地质学经典/教材传统在地层与年代划分的语境中使用此类纪名(现代版本中更常见)。
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