Among Biohermal limestones stromatolitic ones are predominate, coral, Fistulella-microbial,
and stromatoporoid-microbial ones are rarer. The comparison and correlation of transect series allow us to establish the landscapemorphological
zonation of Lop’yu Kyrta buildup, an outer slope and a reef-flat are distinguished.

Valganskaya Fm. is turbiditic with reworked reef clasts. No formation name given for in situ reef facies