Characterisation and stratigraphy of upper Miocene volcaniclastic marker beds in the Melilla lower Kert Basin (eastern Rif, Morocco)

被引:9
|
作者
El Bakkali, S
Bourdier, LL
Gourgaud, A
机构
[1] Univ Clermont Ferrand, Dept Sci Terre, F-63038 Clermont Ferrand, France
[2] Univ Orleans, CNRS, UMR 6530, F-45067 Orleans, France
关键词
volcaniclastic; tuff; tephrostratigraphy; calc-alkaline; shoshonitic; Gourougou; Rif; Morocco;
D O I
10.1016/S1251-8050(98)80038-4
中图分类号
P [天文学、地球科学];
学科分类号
07 ;
摘要
Pumice-rich volcaniclastic layers of primary (eruptive) origin belonging to the Gourougou volcanic complex are interbedded in the Tortonian-Messinian sediments of the Melilla-lower Kert Basin. Ten tuffs have been identified by combining field criteria and petrographical and mineralogical fingerprinting. The extents of the tuffs have been mapped and their relative stratigraphy has been established. This tephrostratigraphy provides a potential tool for stratigraphic correlations in the Gourougou volcanic complex and in the basin. ((C) Acadimie des sciences/ Elsevier, Paris.).
引用
收藏
页码:93 / 100
页数:8
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