The sedimentary systems in the T-R cycle: fluvial fan, fan delta, common delta and lacustrine sedimentary system.
识别出扇三角洲、远（近）源三角洲、水下扇及浅湖、深湖-半深湖等沉积体系。
Lianhe Group was related as fluvial fan sedimentary system in the north. They were disposed at the same time in the different structure location.
三组地层为同一时期不同沉积体系在不同构造位置上的沉积响应。
The Palaeogene system in the southern west sag of the Dongpu depression consists of rift lacustrine deposits, and is developed with fluvial, delta, alluvial, fan delta and lacustrine facies.
东濮凹陷西洼南段老第三系属地堑型湖盆沉积，主要发育河流相、三角洲相、冲积扇相、扇三角洲相以及湖泊相。
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