Ancient Sediment Discoveries Unveil Secrets of Dongying Sag Evolution.
The Paleogene sedimentary facies in Binnan-Lijin areas of Dongying Sag evolved from fan delta to deep lake and back. Sediment supply was mainly from Sha 4 and later Sha 3 episodes, with Chenjiazhuang salient providing more sediments than Binxian salient.