Mudstone Lithofacies in the Cretaceous Qingshankou Formation from SK-1,Songliao Basin,Northeastern C

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Located at Songliao Basin in the Northeastern China, SK-1 is the first Cretaceous terrestrial scientific drilling in the world.This program recovered the Middle to Upper Cretaceous strata of Songliao Basin which includes,from bottom to top,the Quantou,
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