在拉竹龙组中发现规模较大的珊瑚礁体，可细分出礁基、礁格架、礁前塌积角砾及礁间相沉积；
There occur larger-scale coral reefs that may be subdivided into reef base, reef frame, reef-front collapse breccias and inter-reef deposits.
由北向南展示出礁坪相到礁核相再到礁前斜坡相的侧向演变。
It has evolved late-rally, showing reef flat, core and front from north to south.
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