Cross bedded sandstone at base
Frame-bind-bafflestones important
55 % pack-grainstones
10 % float/rudstones
Reef builders: 
Rugose: Radiastraea, Streptelasmatids, Tryplasma, Ptychophyllum
Tabulates: Favosites, Halysites, Plasmaoporella, Plasmopora, Heliolites
Stromatoporoids (laminar and low domal): not identified.
Bryozoans: Hallopora most common, Coenites, Fenestella
Others Girvanella, Vermiporella, solenoproids, probable codiaceans.

See also reef. 1795.