蓋層紀

Chinese

caprock period
trad. (蓋層紀) 蓋層
simp. (盖层纪) 盖层

Pronunciation


Proper noun

蓋層紀

  1. (geology) the Calymmian period (part of the Mesoproterozoic era, spanning from 1.6 to 1.4 billion years ago)
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