Bioherm type comprises tower reef, patchreef, massive reef, platform-edge reef and atolls etc.
生物礁类型有塔礁、补丁礁、块礁、台地边缘礁、环礁。
2
Organic reefs in the study region form a patchreef 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。
3
Yijianfang formation of Middle Ordovician sedimentary period is the open platform of regional seawater shoaling with platform-inter-shallow patchreef sedimentary.