(Table S1) Boron isotope and trace element data and reconstructed carbonate s...

The middle Miocene Climatic Optimum (17-15 Ma; MCO) is a period of global warmth and relatively high CO2 and is thought to be associated with a significant retreat of the...中中新世气候适宜期（Middle Miocene Climatic Optimum, MCO）为距今17至15百万年前（Ma）的全球暖化时段，彼时大气二氧化碳浓度相对偏高，学界普遍认为该时期与……的显著退缩存在紧密关联。