搜尋結果
Oligocene
- IPA[ˈɒlɪɡə(ʊ)siːn]
英式
- relating to or denoting the third epoch of the Tertiary period, between the Eocene and Miocene epochs
- the third epoch of the Tertiary period, between the Eocene and Miocene epochs, or the system of rocks deposited during it
- 釋義
形容詞
- 1. relating to or denoting the third epoch of the Tertiary period, between the Eocene and Miocene epochs rifting and subsidence continued through the Eocene and Oligocene periods
名詞
- 1. the third epoch of the Tertiary period, between the Eocene and Miocene epochs, or the system of rocks deposited during it at the end of the Oligocene the Ural sea had disappeared