A shallow water terrace comprising rounded clasts of the Lower pumice of Yali and abundant fossils of marine organisms, highly cohesive with carbonatic cement. It covers the Lower pumice formation over the SW part of Yali; its height reaches up to 120 meters.

The age of this formation is assigned to the Calabrian or Tyrrhenian epochs (125 or 85 Ka, Anapliotis 1967, Keraudrenn 1970).

However this is problematic as the characteristic Tyrrhenian Strombus bubonius fossil is missing, and furthermore it is incompatible with the stratigraphic position of the formation.

The terrace is covered by red paleosol, 10-30 cm thick.