Search Results - "E. M. Derder, M."

Upper Cretaceous-Cenozoic uplifts and tectonics within a Precambrian shield — insight from the Hoggar (Algeria) local sedimentary cover by Derder, Mohamed E. M., Maouche, Said, Missenard, Yves, Henry, Bernard, Amenna, Mohamed, Ouabadi, Aziouz, Bayou, Boualem, Bestandji, Rafik, Kettouche, Djouher, Haddoum, Hamid

“…In order to better constrain the Mesozoic-Cenozoic evolution of the Precambrian Hoggar shield, a paleomagnetic study, combined with detailed fieldwork, was…”
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Enigmatic well-characterized remanent magnetization of silicified Lower Devonian rocks from the Tadrart area (Murzuq basin, SE Algeria) by Derder, M. E. M., Henry, B., Maouche, S., Amenna, M., Ouabadi, A., Bayou, B., Bestandji, R., Bouabdallah, H., Ayache, M., Beddiaf, M.

“…To improve the poor Gondwana paleomagnetic database for Devonian times, detailed paleomagnetic analyses were performed on red chert-like rocks and partly…”
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Paleomagnetism of the Liassic member of the Zarzaïtine Formation (stable Saharan craton, Illizi basin, Algeria) by M. E. M. Derder, B. Henry, N. Merabet, B. Bayou, M. Amenna

“…A paleomagnetic study was carried out in the carbonates and marls of the Liassic member of the Zarzaïtine Formation of the Illizi basin (SE Algeria) deposited…”
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Better constrained selection of the Paleozoic West Gondwana (South America) paleomagnetic poles for the APWP determination by Henry, Bernard, Derder, Mohamed E. M., Amenna, Mohamed, Maouche, Said, Bayou, Boualem

“…The reliability of an Apparent Polar Wander Path (APWP) obviously depends on the paleomagnetic poles used to determine it. The APWP of Africa and South America…”
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Inhomogeneous shearing related to rock composition: evidence from a major late-Panafrican shear zone in the Tuareg shield (Algeria) by Henry, Bernard, Derder, Mohamed E. M., Bayou, Boualem, Guemache, Mehdi A., Nouar, Omar, Ouabadi, Aziouz, Djellit, Hamou, Amenna, Mohamed, Hemmi, Abderahmane

“…This study describes the deformation in zones affected by regional shearing, and its relation with local factors, in particular rock compositions. The…”
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Transpressive tectonics along a major E–W crustal structure on the Algerian continental margin: Blocks rotations revealed by a paleomagnetic analysis by Derder, M.E.M., Henry, B., Maouche, S., Bayou, B., Amenna, M., Besse, J., Bessedik, M., Belhai, D., Ayache, M.

“…The present paleomagnetic study has been conducted on volcanic rocks of Miocene age outcropping on the northern border of the Neogene Chelif basin, northwest…”
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Improved Moscovian part of the Gondwana APWP for paleocontinental reconstructions, obtained from a first paleomagnetic pole, age-constrained by a fold test, from In Ezzane area in the Murzuq basin (Algeria, stable Africa) by Amenna, M., Derder, M.E.M., Henry, B., Bayou, B., Maouche, S., Bouabdallah, H., Ouabadi, A., Ayache, M., Beddiaf, M.

“…•A paleomagnetic study was made on a marine Moscovian formation of stable Africa.•Obtained ChRMs and remagnetization circles data are constrained in age by…”
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Paleomagnetic dating of continental geological formations: Strong diachronism evidenced in the Saharan platform and geodynamical implications by Henry, B., Derder, M.E.M., Amenna, M., Maouche, S., Bayou, B., Ouabadi, A., Bouabdallah, H., Beddiaf, M., Ayache, M., Bestandji, R.

“…•Primary magnetization has been determined in a continental Saharan formation.•Dating has been made by comparison of these data with a known APWP.•Diachronism…”
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Chemical remagnetization acquisition processes: case study of the Saharan basins (Algeria) by Amenna, M., Derder, M. E. M., Henry, B., Maouche, S., Bayou, B., Bestandji, R., Bouabdallah, H., Ouabadi, A., Ayache, M., Beddiaf, M.

“…In Ordovician and Silurian sedimentary formations of the Murzuq basin (Saharan platform, Algeria), different remagnetization processes have been highlighted…”
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Chemical remagnetizations in the Illizi basin (Saharan craton, Algeria) and their acquisition process by Henry, B., Merabet, N., Derder, M. E. M., Bayou, B.

“…SUMMARY During remagnetization, chemical changes limited to moderate grain growth from pre‐existing single domain (SD) grains do not modify the palaeomagnetic…”
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New African Lower Carboniferous paleomagnetic pole from intrusive rocks of the Tin Serririne basin (Southern border of the Hoggar, Algeria) by Derder, M.E.M., Henry, B., Bayou, B., Ouabadi, A., Bellon, H., Djellit, H., Khaldi, A., Amenna, M., Baziz, K., Hemmi, A., Guemache, M.A.

“…A paleomagnetic study has been conducted on intrusive doleritic rocks cropping out within Devonian horizontal tabular formations of the Saharan craton (Tin…”
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Relative importance of the Hercynian and post-Jurassic tectonic phases in the Saharan platform: a palaeomagnetic study of Jurassic sills in the Reggane Basin (Algeria) by Smith, B., Derder, M. E. M., Henry, B., Bayou, B., Yelles, A. K., Djellit, H., Amenna, M., Garces, M., Beamud, E., Callot, J. P., Eschard, R., Chambers, A., Aifa, T., Ait Ouali, R., Gandriche, H.

“…In the intracontinental domain of the northwestern Saharan platform, the deformation of the Palaeozoic sedimentary cover is mainly attributed to a far-field…”
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New structural implications for the central Sahara (Algeria), from the revisited Upper Carboniferous “Hassi Bachir” Formation: Paleomagnetic constraints by Derder, Mohamed E.M., Henry, Bernard, Amenna, Mohamed, Bayou, Boualem, Djellit, Hamou, Guemache, Mehdi A., Hemmi, Abderahmane

“…Paleomagnetic investigations of the folded Upper Namurian–Lower Moscovian “Hassi Bachir” Formation cropping out in the “Ahnet” basin (Central Sahara, Algeria)…”
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New Moscovian palaeomagnetic pole from the Edjeleh fold (Saharan craton, Algeria) by Derder, M. E. M., Henry, B., Bayou, B., Djellit, H., Amenna, M.

“…A palaeomagnetic study was carried out in the Moscovian (∼305Ma) formation in the Edjeleh anticline, the only area where important dips can be observed in the…”
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Composite magnetic fabric deciphered using heating treatment by Henry, B., Jordanova, D., Jordanova, N., Derder, M. E. M., Bayou, B., Amenna, M., Dimov, D.

“…In a number of AMS studies, the presence and deciphering of composite magnetic fabrics is of major importance for a correct interpretation of the data. On the…”
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Late Pan-African Murzuq event in the Central Hoggar: Sinistral displacement along the Ounane major shear zone (Gour Oumelalen, Algeria) shown by the magnetic fabric of the Tisselliline pluton by Nouar, O., Henry, B., Liégeois, J.P., Amenna, M., Abdallah, N., Derder, M.E.M., Ayache, M.

“…The late upper-level subcircular Tisselliline pluton (c. 572 Ma), emplaced in Hoggar along the major Pan-African Ounane shear zone, is NNW-SSE oriented. Its…”
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Identification of deep magnetized structures in the tectonically active Chlef area (Algeria) from aeromagnetic data using wavelet and ridgelet transforms by Boukerbout, H., Abtout, A., Gibert, D., Henry, B., Bouyahiaoui, B., Derder, M.E.M.

“…The Chlef region constitutes a key area to study neotectonics structures and their geodynamical context. Aeromagnetic data analyzed using different processing…”
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Strong Neotectonic Block Rotations, Related to the Africa‐Eurasia Convergence in Northern Algeria: Paleomagnetic Evidence From the Mitidja Basin by Derder, M.E.M., Djellit, H., Henry, B., Maouche, S., Amenna, M., Bestandji, R., Ymel, H., Gharbi, S., Abtout, A., Dorbath, C.

“…Significant tectonic clockwise rotations were evidenced in the Tell Atlas (Neogene Algerian Cheliff basin) by previous paleomagnetic studies. For northwestern…”
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Repeated granitoid intrusions during the Neoproterozoic along the western boundary of the Saharan metacraton, Eastern Hoggar, Tuareg shield, Algeria: An AMS and U–Pb zircon age study by Henry, B., Liégeois, J.P., Nouar, O., Derder, M.E.M., Bayou, B., Bruguier, O., Ouabadi, A., Belhai, D., Amenna, M., Hemmi, A., Ayache, M.

“…The N–S oriented Raghane shear zone (8°30′) delineates the western boundary of the Saharan metacraton and is, with the 4°50′ shear zone, the most important…”
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Discovery of a Devonian mafic magmatism on the western border of the Murzuq basin (Saharan metacraton): Paleomagnetic dating and geodynamical implications by Derder, M.E.M., Maouche, S., Liégeois, J.P., Henry, B., Amenna, M., Ouabadi, A., Bellon, H., Bruguier, O., Bayou, B., Bestandji, R., Nouar, O., Bouabdallah, H., Ayache, M., Beddiaf, M.

“…Intraplate deformation is most often linked to major stress applied on plate margins. When such intraplate events are accompanied by magmatism, the use of…”
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