TY JOUR TI Structure and Depositional Environments of the Cenomanian–Coniacian Sequence in Crimea KW facies analysis KW sequence stratigraphy KW epicontinental basin KW mixed siliciclastic-carbonate ramp KW depositional environments KW paleogeography JO Russian Journal of Earth Sciences AU Shishlov, S.B. AU Ivanova, V.V. AU Panova, E.G. AU Dubkova, K.A. AU Kuznecov, A.B. AU Chebotareva, V.A. PY 2025 IS 25 PB Geophysical Center of the Russian Academy of Sciences