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has been cited by the following article:

• TITLE: Sedimentary Facies Characteristics of Chang 6 and Chang 7 Members of Yanchang Formation in Heshui Area, China

  AUTHORS: Xinyuan Liu, Shunzhi Yang, Shunchao Gou, Sen Chang

  KEYWORDS: Stratigraphic Division, Gravity Flow Deposition, Turbidity Fans, Oil and Gas Exploration

  JOURNAL NAME: Journal of Geoscience and Environment Protection, Vol.12 No.9, September 27, 2024

  ABSTRACT: This paper takes Chang 6 and Chang 7 of Yanchang Formation in Heshui area of China as the research object. This study first divides the strata of Chang 6 and Chang 7. According to the review data, significant geological activities have caused a large settlement of the strata in this area. During the Chang 6 period, a lacustrine basin sedimentary system developed, reaching its peak in the Chang 7 period. The Chang 6 and Chang 7 members primarily feature deep-water gravity flow sedimentary systems, which can be categorized into three subfacies: outer fan, middle fan, and inner fan. These systems also exhibit turbidite fan sedimentary patterns, ranging from deep lake to semi-deep lake facies. By examining these sedimentary models, we can identify different types of turbidite deposits. Understanding the process of gravity flow deposition and the evolution of ancient lakes is crucial for guiding oil and gas exploration and conducting paleogeographic research.