edge oolite beach 边缘鲕滩
Oolite beach carbonate reservoir of Feixianguan Formation in Luojiazhai, NW Sichuan Basin is a platform edge facies sediment with massive thickness and uniform distribution.
川东北地区罗家寨飞仙关组鲕滩储集层为碳酸盐岩台地边缘相沉积，具有厚度大、分布稳定的特点。
The oolite beach of the lower Triassic Feixianguan Formation in eastern Sichuan basin developed in themargin of carbonate platform, and platform margins are always related to ocean trough.
四川盆地东部下三叠统飞仙关组鲕滩主要发育在碳酸盐岩台缘带上，而台缘带与海槽密切相关，找到了海槽就意味着找到了鲕滩。
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