Miocene formations ( better: strata ) are well - exposed in this area.

本区具有出露良好的中新世地层.

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There are four hydrocarbon source rocks, Palaeocene, Eocene, Oligocene and Miocene.

西湖凹陷发育古新统 、 始新统 、 渐新统及中新统四大烃源岩系.

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One of the most noticeable features of the Middle Miocene rock layers was their periodicity.

中新世中期的岩层,最显著的特徵之一,就是这些岩石所呈现的周期性.

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Miocene mammalian footprints have been recently identified from several Late Miocene localities in Iran.

伊朗晚中新世的几个地点新近发现了哺乳动物足迹化石.

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A large extinct ground sloth of the family Megatheriidae of the Miocene Epoch through the Epoch.

大懒兽中新世至更新世时期大懒兽科之栖于地面的已绝迹的大树懒.

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Great Barrier Reef was formed in the Miocene period, 2500 years have elapsed since the historical.

大堡礁形成于中新世时期, 距今已有2500万年的历史.

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