5-6 m thick patch reefs, lateral extension up to 30 m in shallowing upward sequence of first cycle.
Porites-Faviidae assemblage.

10 m thick and 200 m long reefs in next cycle.
Porites-Faviidae assemblage but Porites less abundant than in lower reef. Heavily encrusted by coralline algae. 80-90 % coral coverage. 

20 species indicated (Genera: Acanthastrea, Acropora, Agathiphyllia, Antiguastrea, Astreopora, Astrocoenia, Caulastrea, Diploastrea, Favites, Goniopora, Hydnophora, Leptoria, Montastrea, Porites, Stylocoenia, Stylophora). Algae not described. 