Cretaceous ammonite zonation of the Sergipe Basin, northeastern Brazil

被引:20
|
作者
Bengtson, Peter [1 ]
Zucon, Maria Helena [2 ]
Santos Sobral, Anderson da Conceicao [3 ]
机构
[1] Heidelberg Univ, Inst Geowissensch, Im Neuenheimer Feld 234, D-69120 Heidelberg, Germany
[2] Univ Fed Sergipe, Dept Biol, Avenida Marechal Rondon,Rosa Elze, Sao Cristovao, SE, Brazil
[3] Univ Tiradentes, Area Ciencias Exatas & Tecnol, Avenida Murilo Dantas, BR-300 Aracaju, SE, Brazil
基金
瑞典研究理事会;
关键词
Cretaceous; Ammonites; Biostratigraphy; Sergipe Basin; Brazil; STRATIGRAPHY; FRAMEWORK; BOUNDARY;
D O I
10.1016/j.cretres.2017.07.021
中图分类号
P5 [地质学];
学科分类号
0709 ; 081803 ;
摘要
A biostratigraphic zonation scheme based on ammonites is presented for the Cretaceous of the Sergipe Basin in northeastern Brazil. The marine beds range from the upper Barremian to the Maastrichtian, of which the Aptian Coniacian and Campanian successions have yielded ammonites. The historical development leading to the current ammonite zonation is illustrated schematically. For each of the 22 biozones, the most important taxa are listed. Correlation with the "standard zonation" for ammonites remains largely tentative as a result of provincialism of the faunas. (C) 2017 Elsevier Ltd. All rights reserved.
引用
收藏
页码:111 / 122
页数:12
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