Organic reefs in the study region form a patch reef group on the carbonate platform margin ramp and they are interruptedly distributed along the platform margin.
研究区的生物礁为碳酸盐台地边缘缓坡点礁群，沿着台地边缘断续分布。
The carbonate platform sedimentary system is further divided into such facies as restricted platform, open platform, platform margin reef and ramp.
碳酸盐台地沉积体系又可进一步分为局限台地、开阔台地、台地边缘礁滩及缓坡等沉积相。
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