Tectono-sedimentologic and lithostratigraphic control in Aures Region: Case study Djebel Metlili, Batna, Algeria

• Autorzy: Touahri, Abdeldjebar , Sahraoui, Salah , Benmansour, Sana , Hadjkouider, Mohammed
• Języki publikacji: EN

Abstrakty

EN

This research delves into the geological features of the western section of the Aures Basin, with a primary focus on Djebel Metlili. The geological characteristics span Mesozoic and Tertiary deposits, ranging from the Triassic to the Quaternary epochs. Notably, the higher Cretaceous period stands out for its substantial carbonate-rich sequence. The research relied on geological maps, field observations, core samples, and laboratory analyses, including lithostratigraphic examinations (cross-section) and thin section. Structural features show that is formed by large regular folds of ENE-WSW or E-W direction. Anticlines and synclines are often affected by transverse accidents at the axes of the folds. In its northern part is located immediately south of the Belezma-Batna mountains. Structural analysis highlights significant tectonic disturbances, oriented in a northwest-southeast direction. A detailed lithostratigraphic examination reveals marly formations interspersed with limestone-rich layers containing Inoceramus. The southern part of Dj. Metlili, particularly the Santonian-Campanian series, unveils three distinct meso-transgressive sequences, linked to sea-level fluctuations associated with sedimentary basin subsidence. The studied area exhibits three distinct facies: one characterized by gray phosphate limestone with crisscrossed stratifications and agitated bioclastic sand, another featuring a mollusk-rich bioclastic limestone indicating a turbulent intertidal environment, and a third presenting a clay limestone bank with fine to medium grains and lumachels rich in oysters and gastropods. The associated grainstone texture in the microfacies suggests an internal platform environment marked by dissolution, bioturbation, and ferruginization. This comprehensive exploration provides valuable insights into the geological history of the region, significantly contributing to our understanding of its evolution over time.

Słowa kluczowe

PL

Aures; Metlili; kampan; santon; inoceram; tektonika

EN

Aures; Metlili; Santonian-Campanian; inoceram; tectonics

• Czasopismo: Geomatics, Landmanagement and Landscape
• Rocznik: 2024
• Tom: no. 2
• Strony: 111--124
• Opis fizyczny: Bibliogr. 17 poz., rys., tab.

Twórcy

autor

Touahri, Abdeldjebar

• Hydrocarbon Production Department, Kasdi Merbah University, Algeria,

autor

Sahraoui, Salah

• Hydrocarbon Production Department, Kasdi Merbah University, Algeria

autor

Benmansour, Sana

• Department of Geology, University of Batna 2, Fesdis, Algeria

autor

Hadjkouider, Mohammed

• Department of Hydrocarbon and Renewable Energy, University of Ahmed Draia, Adrar, Algeria

Bibliografia

• Aissaoui D. 1985. Les structures liées à l’accident sud-atlasique entre Biskra et le Dj. Mandra (Algérie). Evolution géométrique et cinématique. Doctoral dissertation. University of Strasbourg, France.
• Ballais J.L. 2012. Nemencha (Le massif des): Géographie. Encyclopédie berbère, 34, 5411–5427.
• Belkhodja L., Bignot G. 2004. La transgression Thanètienne (Paléocène supérieur) dans l’Aurès occidental (Algérie), d’après les associations de foraminifères de la coupe d’El Kantara. Revue de micropaléontologie, 47(1), 1–12.
• Benmansour S. 2023. Laffitteina from the Maastrichtian-Thanetian shallow marine carbonates of the Aurès Basin (Northeastern Algeria): microfacies and stratigraphic distribution. Boletín de la Sociedad Geológica Mexicana, 75(1).
• Benmansour S., Andreu B., Yahiaoui A. 2016. The Campanian-Maastrichtian of the Aures Basin, Algeria: Paleobiogeographical distribution of ostracods. Cretaceous Research, 58, 86–107.
• Farah A.S. 1991. Etude du comportement hydrochimique d’un oued en zone méditerranéenne semi-aride d’Afrique du Nord et de ses causes naturelles et anthropiques: l’oued Rhumel, Constantinois, Algérie. Doctoral dissertation, Orléans.
• Frizon de Lamotte D., Saint Bezar B., Bracène R., Mercier E. 2000. The two main steps of the Atlas building and geodynamics of the western Mediterranean. Tectonics, 19(4), 740–761.
• Garah A., Krajewski M., Salamon M., Sebbane A., Ferré B., Benyoucef M. 2023. Litho-, biostratigraphy and sedimentological framework of the ‘mid’-Cretaceous crinoid-rich facies of the southern Aures Range (eastern Algeria). Journal of African Earth Sciences, 202, 104930.
• Guiraud R., Bosworth W. 1997. Senonian basin inversion and rejuvenation of rifting in Africa and Arabia: Synthesis and implications to plate-scale tectonics. Tectonophysics, 282(1–4), 39–82.
• Herkat M. 2003. Palaeogeographic context of Cenomanian and Turonian carbonate platforms in the eastern Atlasic domain. In: North African Cretaceous Carbonate Platform Systems. Dordrecht, Springer Netherlands, 143–160.
• Laffite R. 1939. Etude de géologie de l’Aurès. Doctorat ès Sciences Paris. Bull. Serv. Carte Géol. Algérie, 1re série, (15), 484.
• Marmi R., Abdellaoui A. 2010. Analyse morpho structurale à partir de l’image satellite: Cas de la feuille “Les Tamarins”. Revista de Geomorfologie, 12.
• Marmi R., Guiraud R. 2006. End Cretaceous to recent polyphased compressive tectonics along the “Mole Constantinois” and foreland (NE Algeria). Journal of African Earth Sciences, 45(1), 123–136.
• Marred M., Naimi M.N., Djaiz F., Kherchouche A., Boushaba A. 2022. Gastrochaenolites ornatus Kelly and Bromley and other trace fossils on a Middle Miocene omission surface from the Aures Massif, Algeria. Proceedings of the Geologists’ Association, 133(3), 218–226.
• Pique A., Ait Brahim L., Ait Ouali R., Amrhar M., Charroud M., Gourmelen C., Tricart P. 1998. Evolution structurale des domaines atlasiques du Maghreb au Méso-Cénozoïque. Le rôle des structures héritées dans la déformation du domaine atlasique de l’Afrique du Nord. Bulletin de la Société géologique de France, 169(6), 797–810.
• Vila J.M. 1980. La chaîne alpine de l’Algérie orientale et des confins algéro-tunisiens. Universite Pierre et Marie Curie.
• Wildi W. 1983. La chaîne tello-rifaine (Algérie, Maroc, Tunisie): Structure, stratigraphie et évolution du Trias au Miocène. Doctoral dissertation, Masson.

Identyfikatory

DOI

10.15576/GLL/2024.2.08