K-T boundary

名词 n.
中文释义

英文释义

名词 n.
  1. The geological signature of the transition between the Cretaceous period and the Tertiary period 65.5 million years ago.
  2. The geological signature of the transition between the Cretaceous period and the Tertiary period 65.5 million years ago. This transition is marked worldwide by a layer of material that contains a high level of iridium.; This transition is marked worldwide by a layer of material that contains a high level of iridium.

词形变化

K/T boundary alternative KT boundary alternative

词汇关系

相关词
K-T extinction event
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