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Informations du chercheur

Nom complet

Boumehdi Moulay Ahmed

Grade

PES

Spécialité

Géologie

Thématique de recherche

Pétrologie - Géochimie - Géochronologie - Volcanologie

Laboratoire

Laboratoire de physique des hautes énergies, astrophysique et geosciences

Établissement

Faculté des Sciences Semlalia Marrakech

Publications (34 au total)

Ediacaran Fluviolacustrine Depositional Systems of the Amane-n’Tourhart and Tifernine Basins (Anti-Atlas, Morocco): Facies Analysis, Petrography, Paleoenvironments, and Climatic–Volcanic Controls

Auteur: Jihane Ounar, Hicham El Asmi, Mohamed Achraf Mediany, Rachid Oukhro, Kamal Mghazli, James Pierce, David A. D. Evans, Malika Fadil, El Hassane Chellai, Moulay Ahmed Boumehdi, Nasrrddine Youbi, Timothy W. Lyons, Andrey Bekker

Revue: Geosciences

Année: 2026

DOI: 10.3390/geosciences16030131

Geochemical and isotopic signature of a rift-to-arc transition in the Neoproterozoic Adrar Souttouf Massif, Moroccan Sahara

Auteur: Omar Guillou, M'’hamed El Janati, Nasrrddine Youbi, Andreas Gärtner, Michel Villeneuve, João Mata, Jean-Louis Bodinier, Abdelhak Ait Lahna, Moualy Ahmed Boumehdi, Ismail Hadimi, Oussama Moutbir, Colombo Celso Gaeta Tassinari, Hervé Bellon, Ulf Linnemann

Revue: Geochemistry

Année: 2026

DOI: 10.1016/j.chemer.2026.126410

ASTER and SPOT 5 Satellite Data for Mapping Dyke Swarms and Hydrothermal Alteration Minerals in the Tagragra d’Akka inlier, (western Anti-Atlas, Morocco): Implications for gold exploration

Auteur: Mohamed Ben-Daoud, Hassan Ibouh, Nasrrddine Youbi, Mouguina El Mostafa, Moulay Ahmed Boumehdi, Malika Fadil, Mamadou Diallo, Mohamed Azmi, David Evans, Zheng Gong

Revue: Journal of African Earth Sciences

Année: 2026

DOI: 10.1016/j.jafrearsci.2026.106082

Geometry and distribution of Proterozoic mafic dyke swarms in the Reguibat Shield (West African Craton, Moroccan Sahara): A remote sensing and geographical information systems (GIS) approach

Auteur: Mohamed Ben-Daoud, Hassan Ibouh, Nasrrddine Youbi, Moulay Ahmed Boumehdi, Moussa Hamath Ba, Omar Guillou, Mamadou Diallo, Malika Fadil, Mohamed Azmi

Revue: Journal of African Earth Sciences

Année: 2026

DOI: 10.1016/j.jafrearsci.2026.106062

Integrated stratigraphy and Bayesian age modelling at Tiout (Anti-Atlas, Morocco) constrain early Cambrian δ¹³C excursions and trilobite radiation

Auteur: Damien Pas, Matthias Sinnesael, Kamal Mghazli, Valenitn Jamart, Gerd Geyer, Ed Landing, Nasrrddine Youbi, Jihane Ounar, Hamdi Omar, Moulay Ahmed Boumehdi, Jarno J.C. Huygh, Anne-Christine Da Silva, Allison Daley

Revue: EGU 2026

Année: 2026

DOI: 10.5194/egusphere-egu26-5680

Occurrence and Origin of Hercynian Remagnetization in Proterozoic Mafic Rocks in the Anti‐Atlas Belt, Morocco

Auteur: Zheng Gong, David A. D. Evans, Nasrrddine Youbi, Abdelhak Ait Lahna, Alec Brenner, Kevin Chamberlain, Bin Wen, Xianqing Jing, Jikai Ding, Rachid Oukhro, Jihane Ounar, Mohamed Achraf Mediany, Moulay Ahmed Boumehdi

Revue: Journal of Geophysical Research: Solid Earth

Année: 2026

DOI: 10.1029/2026jb034056

A new chronostratigraphic anchor for the early Cambrian: Integrating δ13C chemostratigraphy and Bayesian astrochronology in West Gondwana (Anti-Atlas, Morocco)

Auteur: Damien Pas, Matthias Sinnesael, Kamal Mghazli, Valentin Jamart, Gerd Geyer, Ed Landing, Nasrrddine Youbi, Jihane Ounar, Hamdi Omar, Moulay Ahmed Boumehdi, Michiel Arts, Jarno J.C. Huygh, Anne-Christine Da Silva, Allison C. Daley

Revue: Earth-Science Reviews

Année: 2026

DOI: 10.1016/j.earscirev.2026.105557

Magnetostratigraphic constraints on the late Ediacaran paleomagnetic enigma

Auteur: James S. Pierce , David A. D. Evans , Dana E. Polomski, Nasrrddine Youbi , Mohamed A. Mediany , Jihane Ounar https, Rachid Oukhro , Moulay Ahmed Boumehdi , Justin V. Strauss, C. Brenhin Keller, Andres Gärtner, Maria Ovtcharova, Jörn-Frederik Wotzlaw, and Ulf Linnemann

Revue: Science Advances

Année: 2025

DOI: DOI: 10.1126/sciadv.ady3258

Volcanic Stratigraphy, Petrology, Geochemistry and Precise U-Pb Zircon Geochronology of the Late Ediacaran Ouarzazate Group at the Oued Dar’a Caldera: Intracontinental Felsic Super-Eruptions in Association with Continental Flood Basalt Magmatism on the West African Craton (Saghro Massif, Anti-Atlas)

Auteur: Rachid Oukhro, Nasrrddine Youbi, Boriana Kalderon-Asael, David A. D. Evans, James Pierce, Jörn-Frederik Wotzlaw, Maria Ovtcharova, João Mata, Mohamed Achraf Mediany, Jihane Ounar, Warda El Moume, Ismail Hadimi, Oussama Moutbir, Moulay Ahmed Boumehdi, Abdelmalek Ouadjou, Andrey Bekker

Revue: Minerals

Année: 2025

DOI: 10.3390/min15080776

Communications (52 au total)

The Ougnat dyke swarms (Eastern Atlas, Morocco): U-Pb geochronology, geochemistry, and geodynamic significance

Manifestation: Joint International Dyke Conference (IDC 8) - Large Igneous Provinces (LIPs 8) - Rodinia 2023 Conference – 29th May – 16th June 2023 – Marrakech / Morocco

Date: 2023-05-19

Organisation: Marrakech / Morocco

Geodynamic Significance of The Permian Intermediate and Felsic Dyke Swarms and Sill Complexes from the Western Meseta and the High Atlas (Morocco) based on U-Pb Geochronology and Geochemistry Data

Manifestation: Joint International Dyke Conference (IDC 8) - Large Igneous Provinces (LIPs 8) - Rodinia 2023 Conference – 29th May – 16th June 2023 – Marrakech / Morocco

Date: 2023-05-19

Organisation: Marrakech / Morocco.

Physical volcanology and geochemistry of the Triassic-Jurassic CAMP basaltic lava flows: Insights from the Middle Atlas and Midelt sequences (Morocco).

Manifestation: Joint International Dyke Conference (IDC 8) - Large Igneous Provinces (LIPs 8) - Rodinia 2023 Conference – 29th May – 16th June 2023 – Marrakech / Morocco

Date: 2023-05-19

Organisation: Marrakech / Morocco.

The Jebilet-Rehamna-Fourhal Large Igneous Province of 348-340 Ma (Meseta, Variscan Belt, Morocco): U-Pb geochronology, geochemistry, and links with coeval magmatism on other crustal blocks.

Manifestation: Joint International Dyke Conference (IDC 8) - Large Igneous Provinces (LIPs 8) - Rodinia 2023 Conference – 29th May – 16th June 2023 – Marrakech / Morocco

Date: 2023-05-19

Organisation: Marrakech / Morocco

U-Pb geochronology, geochemistry and geodynamic significance of mafic dyke swarms of Douar Eç-çour-Assarag (High Atlas and Anti-Atlas, Morocco).

Manifestation: Joint International Dyke Conference (IDC 8) - Large Igneous Provinces (LIPs 8) - Rodinia 2023 Conference – 29th May – 16th June 2023 – Marrakech / Morocco

Date: 2023-05-19

Organisation: Marrakech / Morocco.

The deep structure of the Richat magmatic intrusion (northern Mauritania) from geophysical modelling. Insights into its kinematics of emplacement

Manifestation: EGU General Assembly 2022, Vienna, Austria

Date: 2022-23-05

Organisation: Vienna, Austria,

An exceptionally record of microbial mats thriving in a volcanic caldera setting: The Ediacaran microbialites and mat-related structures of the Anti-Atlas, Morocco

Manifestation: EGU General Assembly 2022, Vienna, Austria, 23–27 May 2022

Date: 2022-23-05

Organisation: Vienna, Austria,

The Ouarzazate Supergroup volcanic successions in the Anti-Atlas (Morocco): Evidence for three successive eruptive cycles

Manifestation: Goldschmidt-22 Hawai’i 2022 – USA

Date: 2022-07-11

Organisation: Hawai’i 2022 – USA

): Additional constraints on the ca. 1640 Ma and 885 Ma magmatic events of the lower Anti-Atlas Supergroup of the Zenaga and Siroua inliers, Anti-Atlas Belt, Morocco. Correlation with the Taoudeni Basin

Manifestation: CAG28 The 28Th Colloquium OF African Geology, July 6-8-2022, Fez, Morocco

Date: 2022-07-06

Organisation: July 6-8-2022, Fez, Morocco

Thèses (8 au total)

Volcanologie Physique et Géohéritage du groupe de Ouarzazate dans les boutonnières de Bou Azzer et Sirwa, Anti-Atlas, Maroc

Auteur: Mediany Mohamed Achraf

Directeur: Boumehdi Moulay Ahmed

Soutenance: 2025

The varisacn magmatisme of the western meseta (Fourhal, Rehamna, and Jbilet): Petrology, Geochemestry, Geochronology, and Geodynamic significance

Auteur: Moutbir Oussama

Directeur: Boumehdi Moulay Ahmed

Soutenance: 2025

Biosphere and oxygenation at the precambrien_Cambrien Boundary of the Hughand Anti-Atlas , Morocco

Auteur: Kamal Mghazli

Directeur: Boumehdi Moulay Ahmed

Soutenance: 2025

Volcanologie physique et Géohéritage du groupe de Ouarzazate dans le massif du Saghro , Anti-Atlas, Maroc

Auteur: Rachid OUKHRO

Directeur: Boumehdi Moulay Ahmed

Soutenance: 2025

Thèse en cours : Le magmatisme hercynien de la Méseta occidentale (Jbilets, Rehamna et Maroc Central). Pétrologie, géochronologie et signification géodynamique

Auteur: Moutbir Oussama

Directeur: Pr. YoubI et Pr. Boumehdi

Soutenance: 2024

Elaboration des matériaux géopolymères à base de pouzzolanes naturelles du Moyen Atlas marocain pour applications dans le domaine de la construction : Eudes physico-chimique, pétrographique, minéralogique et cartographique.

Auteur: Fadoua El Mahdoubi

Directeur: Pr. Ibnoussina et Pr. Boumehdi

Soutenance: 2023

Le magmatisme permien de la Meseta Occidentale Marocaine: Pétrologie, Minéralogie, Géochronologie et Implications géodynamiques

Auteur: Hadimi Ismail

Directeur: Pr. YoubI et Pr. Boumehdi

Soutenance: 2023

Le Volcanisme Néogène-Quaternaire du Moyen-Atlas et des Monts d’Oujda.Volcanologie physique-Pétrologie-Géochimie-Géochronologie-Implications géodynamique et Ressources Minérales

Auteur: Idris Ali Ahmadi Bensaid

Directeur: Pr. YoubI et Pr. Boumehdi

Soutenance: 2020