Calcareous Nannoplankton of Cretaceous Rocks of the Bakhchisarai Region of Southwest Crimea

被引：1

作者：

Ustinova, M. A. ^{[1
]}

Gabdullin, R. R. ^{[2
]}

机构：

[1] Russian Acad Sci, Geol Inst, Moscow 119017, Russia

[2] Moscow MV Lomonosov State Univ, Dept Geol, Moscow 119234, Russia

来源：

MOSCOW UNIVERSITY GEOLOGY BULLETIN | 2019年 / 74卷 / 02期

关键词：

Lower Cretaceous; Upper Cretaceous; Crimea; Rezanaya Formation; Biasala Formation; Belogorsk Formation; Prokhladnoe Formation; Kudrino Formation; calcareous nannoplankton; SEDIMENTATION CONDITIONS; ASSEMBLAGES; MOUNTAINS;

D O I：

10.3103/S0145875219020121

中图分类号：

P5 [地质学];

学科分类号：

0709 ; 081803 ;

摘要：

Cretaceous calcareous nannoplankton was studied in the Lower Cretaceous Rezanaya and Biasala and Upper Cretaceous Belogorsk, Prokhladnoe, and Kudrino formations of the Bakhchisarai region of the southwest Crimea. The age of the host rocks was refined according to calcareous nannoplankton. No nannoplankton zone was identified in the Rezanaya Formation; the Biasala Formation probably contains part of the NC5 Zone. The Belogorsk and Kudrino formations host the (partly) UC3 Zone (Subzone b) and the UC20 Zone (Subzone UC20b), respectively. No upper and lower boundaries of zones were traced.

引用

页码：173 / 184

页数：12

共 50 条

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