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《地质学报：英文版》
>Enrichment Patterns and New Discovery of Deep Lacustrine Shale Oil in the Upper Cretaceous Qingshankou Formation,Songliao Basin,NE China
Enrichment Patterns and New Discovery of Deep Lacustrine Shale Oil in the Upper Cretaceous Qingshankou Formation,Songliao Basin,NE China
Objective The Songliao Basin is located in northeastern China.The Upper Cretaceous Qingshankou Formation(Fm.)(K2 qn),Yaojia Fm.(K2 y),and Nenjiang Fm.(K2 n)were deposited in its depression.The sediments are mainly continental clastic rocks.The first member of the Qingshankou Fm.(K2 qn1)in the southern Songliao Basin mainly comprises semi-deep to deep lacustrine shale of large thickness,generally 30,100 m,with wide distribution;the thickness of the shale has an average thickness of 70 m.
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