The paleoclimate change of Qaidam Basin during the last 2.85 Ma recorded by Gamma-ray logging

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The geographical location of Qaidam Basin corresponds toN36°05′-38°10′ and E90°10′-98°05′. The thickness of the Quaternary deposits in the basin reaches 2000-3000 m. This paper deals mainly with the aspect of paleoclimate change of the
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