There has three sedimentary facies zone in this research regional such as plateau facies, foreslope facies, rock uplift facies.

研究区沉积相带为台地相、岩隆相、前缘斜坡相三个相带。

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Xikang Group is widely exposed on the West Sichuan Plateau and was considered to be a low greenschist facies metamorphic rock due to regional low-temperature dynamometamorphism.

川西高原广泛分布的西康群，原视为区域低温动力变质作用低绿片岩相变质岩。

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Investigation shows that an exceptionally big oolitic beach reservoir with massive thickness could be found out in the deep trap of oolitic beach facies on the west platform edge of the plateau.

故台地西部台缘鲕粒滩相的深层圈闭有望发现储层巨厚的特大鲕滩气藏。

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