reef mostly built by stromatoporoids (30%), corals (20%) (Stylina tubilifera, Thecosmilia) and chaetetids, rare mollusks and bryozoans. 
Abundant internal reef debris (50%).

Microbialites especially abundant in colonisation stage approaching 40%. Stromatolites associated with abundant microencrusters: Tubiphytes, Bacinella and Lithocodium. 
Very pronounced succession with stabilisation, colonisation, diversification and domination indicated.