Last Updated
：2025/12/08
K/T
Proper noun
alt-of
alternative
Japanese Meaning
地質学用語として、KT（白亜紀‐第三紀、または白亜紀‐新第三紀）境界を示すための別表現、つまり白亜紀と第三紀（新第三紀）との境界を指す。
Sense（1）
Quizzes for review
(geology) Alternative form of KT (“Cretaceous–Tertiary”)
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K/T
The K/T boundary is often associated with a sudden extinction event observable in the rock record.
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The K/T boundary is often associated with a sudden extinction event observable in the rock record.
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