Definition of K-t boundary

1. Noun. 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. ¹



¹ Source: wiktionary.com

K-t Boundary Pictures

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Lexicographical Neighbors of K-t Boundary

Jèrriais
Jönköping
K
K'iche'
K's
K'ung-tzu
K+-translocating Kdp-ATPase
K-1
K-12
K-2
K-4
K-9
K-9 unit
K-9 units
K-Dur 20
K-T boundary
K-T extinction event
K-hed
K-heds
K-lor
K-lyte
K-pop
K-radiation
K.E.
K.K.
K2
K9
K9s
K:A ratio
KAH

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