THE COMPARATIVE ANALYSIS OF THE UPPER BATHONIAN - VALANGINIAN FORAMINIFERAL ASSEMBLAGES OF THE SOUTH UST-YENISEI AND YAMAL REGIONS
The micropaleontologicalanalysis of Upper Bathonian - Valanginiandeposits of the Ust-Yeniseiand Yamal regions of West Siberia allowed a detailed biostratigraphic subdivision and correlation of the studied sections, a revision of specific zone assemblages.