PALYNOLOGICAL AGE AND CORRELATION OF A BLACK SHALE SECTION IN THE EZE-AKU FORMATION, LOWER BENUE TROUGH, NIGERIA

被引：9

作者：

LAWAL, O

机构：

[1] Department of Geology and Mineral Sciences, University of Ilorin, Ilorin

来源：

JOURNAL OF AFRICAN EARTH SCIENCES | 1991年 / 12卷 / 03期

关键词：

D O I：

10.1016/0899-5362(91)90139-P

中图分类号：

P [天文学、地球科学];

学科分类号：

07 ;

摘要：

Pollen, spore and dinocyst species characteristic of the Late Cenomanian Triorites africaensis Zone occur in black shales of basal Eze-Aku Formation southeast Nigeria. These sediments had hitherto been assigned an Early Turonian age. The section is correlated with reported contemporaneous strata in the Middle and Upper Benue Trough and elsewhere in West Africa and northeast South America. The black, carbonaceous shales were probably deposited under anoxic bottom conditions in a shallow marine environment.

引用

页码：473 / 482

页数：10

共 20 条

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