最終更新日:2024/07/28
(geology) Of or relating to the geologic eon from 2,500 Ma to 541.0±1.0 Ma.
正解を見る
Proterozoic
編集履歴(0)
(geology) Of or relating to the geologic eon from 2,500 Ma to 541.0±1.0 Ma.
Proterozoic