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Deep-water gravity flow deposits in a lacustrine rift basin and their oil and gas geological significance in eastern China
CAO Yingchang1,*(),JIN Jiehua1,LIU Haining1,2,YANG Tian3,LIU Keyu1,WANG Yanzhong1,WANG Jian1,LIANG Chao1

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Fig. 1.. Types, distribution and sedimentary characteristics of deep-water gravity-flow deposits in a lacustrine rift basin.
① Dongying sag, Well Fan 133, 2404.7 m, sliding block with incompletely modified bed; ② Dongying sag, Well Fanxie 183, 2890.1 m, slumping block with internal deformed structure; ③ Dongying sag, Well Dongke 1, 3348.5 m, massive muddy clasts developing muddy debris flow deposit; ④ Huimin sag, Well Shang 548, 3240.2 m, massive sandy debris flow deposit with floating mud clasts in the top part; ⑤ Dongying sag, Well Shi 100, 3087.7 m, high-density turbidites with stratification structures; ⑥ Dongying sag, Well Shi 129, 3438.7 m, incomplete Bouma sequence deposited by surge-like low-density turbidity current; ⑦ Dongying sag, Well Niu 876, 3374.5 m, inverse-normal grading sequence deposited by quasi-steady low-density turbidity current.