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δ18O and δ13C records from a Cenozoic sedimentary sequence in the Lanzhou Basin, Northwestern China: Implications for palaeoenvironmental and palaeoecological changes
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文摘

Cenozoic δ18O and δ13C records of pedogenic carbonate from northwestern China.

Drying of the Lanzhou Basin began at ∼33 Ma due to the retreat of the Tethys Sea.

Asian inland aridity was further enhanced at ∼22 and ∼3.5 Ma.

C4 plants expanded within the Lanzhou Basin after ∼3.5 Ma.

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