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Middle Miocene : ウィキペディア英語版 | Middle Miocene The Middle Miocene is a sub-epoch of the Miocene Epoch made up of two stages: the Langhian and Serravallian stages. The Middle Miocene is preceded by the Early Miocene. The sub-epoch lasted from 15.97 ± 0.05 Ma to 11.608 ± 0.005 Ma (million years ago). During this period, a sharp drop in global temperatures took place. This event is known as the Middle Miocene Climate Transition. For the purposes of establishing European Land Mammal Ages this sub-epoch is equivalent to the Astaracian age. == External links ==
* (GeoWhen Database - Middle Miocene )
抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「Middle Miocene」の詳細全文を読む
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