摘要
Lots of subaqueous gravity flow sedimentary bodies were developed in the Eocene strata of Chaluhe Fault Depression, the oft-com:office:smarttags" />Yitong Basin. Based on the study of distribution and sedimentary character of gravity flow, four sedimentary types can be recognized: shallow-water and deep-water turbidity current deposits, underwater slide deposits and underwater debris flow deposits. Based on the oil-gas exploration results, it shows that the turbidity sand-body has developed well reservoir capability and has a successful oil-gas exploration.