The Aptian-Cenomanian Flora of Primor'e, Part 1: Floral Assemblages

Volynets E.B.

В журнале Stratigraphy and Geological Correlation

Год: 2005 Том: 13 Номер: 6 Страницы: 613-631

Abundant and diverse Aptian-Cenomanian floras from deposits of the Alchan, Razdol'naya, and Partizanskaya depressions of Primor'e are investigated. Stratigraphic ranges of 370 identified taxa are established. Studied floras are divided into floral assemblages (FA) and subassemblages. Fossil plants of the Alchan depression are divided into five floral assemblages: the early and late Assikaevka FAs, the latter with two subassemblages, the early Alchan FA consisting of early, middle and late subassemblages, the middle and late Alchan FAs, the last one again divisible into three subassemblages, and the Stolbovaya FA. The early and late Lipovtsy, early to late Galenki, and early Korkino FAs represent six floras of the Razdol'naya depression. Discriminated in the Partizanskaya depression are the late Staryi Suchan, early and late Severnyi Suchan, Frentsevo (with two subassemblages), Kangauz, Romanovka, Brovnichi, and Dadanshan FAs. The Aptian-Cenomanian flora of the Alchan depression and flora of the terminal late Albian from basal beds of the undivided Korkino Group, the Razdol'naya depression, are comprehensively characterized for the first time.