TY JOUR TI General regularities of a sedimentary cycles in epicontinental basins with terrigenous sedimentation KW epicontinental seas KW humid climate KW sedimentary cyclicity KW transgressive regressive cycles KW sedimentation environments KW sedimentological model JO Russian Journal of Earth Sciences AU Shishlov, S.B. PY 2025 IS 25 PB Geophysical Center of the Russian Academy of Sciences