Calcareous nannofossils biostratigraphy of the Late Campanian-Early Maastrichtian Age, Block 16, Jiza'-Qamar Basin, Eastern Yemen

被引:10
|
作者
Al-Wosabi, Khaled A. [1 ]
Alaug, Abdulwahab S. [1 ]
机构
[1] Taiz Univ, Fac Sci Appl, Dept Geol, Taizi, Yemen
关键词
Nannofossils; Biostratigraphy; Late Campanian; Jiza'-Qamar Basin; Yemen;
D O I
10.1007/s12517-012-0642-2
中图分类号
P [天文学、地球科学];
学科分类号
07 ;
摘要
One hundred and thirty nine samples have been studied from the Late Campanian-Early Maastrichtian of three deep wells drilled in Jiza'-Qamar Basin, Eastern Yemen to determine the calcareous nannofossil zones and the age of the sediments. Forty-seven calcareous nannofossil species were identified and four biozones were determined in the present study (CC21-CC24). These biozones are assigned to the Late Campanian-Early Maastrichtian ages. Most of the studied species in this work refer to tropical-subtropical environment. The Campanian-Maastrichtian Boundary was determined in Al-Fatk well based on the last occurrence of Eiffelithus eximus and the last occurrences of Uniplanarius sissinghii and Uniplanarius trifidus.
引用
收藏
页码:3581 / 3594
页数:14
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