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Research Paper | Geology | Algeria | Volume 4 Issue 5, May 2015
Miocene Formations Analysis within the North-Western Margin of Ma Labiod Basin (Algero-Tunisian Confines)
M. Hamimed | S. Boulamia | N. Defaflia
Abstract: The study concerns miocene formations within the north-western marge of Ma Labiod basin at the southern region of Tebessa. These sediments are deposited in angular unconformity within the erosion surface of the earlier sediments folded during the tectonic atlasic phase. The results of the study, carried out on about 150 samples, have confirmed the sediments petrography and the different transport modes which are qualified of rolling, saltation and suspension). The petrographic study reveals detritus sediments basically quartz-bearing inter-bedded by some argillaceous intercalations. The sediments are known a far-off water transport supposed of a Saharan origin. The analysis of the sediments has also given the various sedimentological coefficients which confirm as a factor with the field work and all the data, the determination of the different environments, sequential analysis and the process of sedimentation. The deposits analysis has confirmed a development of downlap structures towards the western part of the basin. This analysis has also proved the presence of a detritus continental sedimentation of four sedimentary environments that are characterized by the river, delta, lake and marsh materials, manifested in several sedimentary cycles.
Keywords: Miocene Sediments, Sedimentary Environments, Sequential analysis, Ma Labiod Bassin, Algero-Tunisian Confines
Edition: Volume 4 Issue 5, May 2015,
Pages: 615 - 623
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