Reef flat, reef crest and reef front margin can be recognized in the reef core facies.

礁核相包括礁坪带、礁冠带和礁前缘带。

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The reef body, small in size and variety in type, is generally made up of reef base, reef core and reef cap.

礁体规模较小，形态多样，礁体一般由礁基、礁核和礁盖三部分组成。

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It has evolved late-rally, showing reef flat, core and front from north to south.

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。

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