Talks by Mustapha Souhassou
Papers by Mustapha Souhassou
Les exploitations minières anciennes au Maroc : l’exemple d’Imiter
HAL (Le Centre pour la Communication Scientifique Directe), Sep 10, 2018
International audienc
Evidence de production d’argent aux périodes médiévales à Sijilmâsa (Tafilalet, Maroc)
HAL (Le Centre pour la Communication Scientifique Directe), Sep 10, 2018
International audienc
1ST INTERNATIONAL CONFERENCE ON GEOGRAPHY AND ENVIRONMENTAL SCIENCES (ICGES’22)
Zircon U–Pb geochronology and Sm–Nd and Rb–Sr isotope systematics of Neoproterozoic granitoïds from Bou Azzer (Anti-Atlas - Morocco): The obduction trigger of the central Anti-Atlas terrane
Journal of African Earth Sciences
Silver Production in Sijilmâsa (Morocco) during Medieval Times
HAL (Le Centre pour la Communication Scientifique Directe), Aug 13, 2017
International audienc
HAL (Le Centre pour la Communication Scientifique Directe), Jun 26, 2016
STRUCTURES DE FORTIFICATIONS DANS L'ESPACE YORUBA : cas du pays shabe (Moyen-Bénin, Afrique de l'... more STRUCTURES DE FORTIFICATIONS DANS L'ESPACE YORUBA : cas du pays shabe (Moyen-Bénin, Afrique de l'Ouest) Résumé-Les recherches archéologiques en cours depuis les années 2000 en pays shabe sont focalisées sur le peuplement et les dynamiques politiques et économiques. Les structures de fortifications, témoignant du savoir-faire des populations, en matière de défense ou de résistance, sont à peine explorées. Lorsqu'elles le sont, c'est dans le cadre d'une simple reconnaissance. Pourtant, le pays shabe possède, à l'instar d'autres pays dans la baie du Bénin (Nigeria, Bénin, Togo et Ghana d'est en ouest) et en Afrique de l'Ouest, différentes structures de fortifications. L'irruption de l'archéologie dans les systèmes de défense ou de refuge se justifie au regard de l'épaisseur de nuage qui enveloppe encore les pans importants de l'histoire du pays shabe. La comparaison des structures de fortifications du pays shabe avec celles du reste de l'espace yoruba, d'une part, et celles d'autres espaces de l'Afrique de l'Ouest, d'autre part, peut permettre d'élaborer des hypothèses moins étroites, mieux argumentées. Par cette comparaison, il est possible d'établir des similarités et des dissemblances, en vue révéler des créations autochtones et / ou des influences extérieures.
Non-ferrous metal production in Sijilmâsa during medieval times (Tafilalet, Morocco)
International audienc
Goldschmidt2022 abstracts, 2022
Structural controls on the Co and Ni-bearing arsenides from the Bou Azzer mine (Case of Aït Ahmane F53 vein deposit): Implications for mineral exploration
Journal of African Earth Sciences
Sijilmâsa, cité islamique du Maroc médiéval : recherches archéologiques maroco-française 2011-2016
HAL (Le Centre pour la Communication Scientifique Directe), 2020
Goldschmidt2022 abstracts
HAL (Le Centre pour la Communication Scientifique Directe), Jun 11, 2014
HAL is a multidisciplinary open access archive for the deposit and dissemination of scientific re... more HAL is a multidisciplinary open access archive for the deposit and dissemination of scientific research documents, whether they are published or not. The documents may come from teaching and research institutions in France or abroad, or from public or private research centers. L'archive ouverte pluridisciplinaire HAL, est destinée au dépôt et à la diffusion de documents scientifiques de niveau recherche, publiés ou non, émanant des établissements d'enseignement et de recherche français ou étrangers, des laboratoires publics ou privés.
Gara Medouara. Une forteresse médiévale dans les environs de Sijilmâsa
International audienc
Geoheritage of the Anti-Atlas (Morocco): A Natural Treasure in Support of Sustainable Development
Artificial Satellites, 2019
The discovery of natural resources remains the main mission of Earth observation satellites, espe... more The discovery of natural resources remains the main mission of Earth observation satellites, especially in geographical areas that have a very difficult accessibility as those of the Bou Azzer–El Graara inlier (Central Anti-Atlas, Morocco). This work investigates the use of different satellite data, such as Sentinel-2A’s multispectral imagery, in order to direct the prospection program in an efficient manner, saving both time and cost. The image processing methods of Landsat 7, 8, and “Advanced Spaceborne Thermal Emission and Reflection Radiometer (ASTER)” (30 m/15 m) were used to create methods for Sentinel-2A images (10 m). The red, green, blue (RGB) image 12.8.2, 11/12.11/2.11/8, principal component (PC) 1,2,3(11.12.2), and other new images were the result of principal component analysis (PCA), and classification by the Iterative Self-Organizing Data Analysis Technique (ISODATA) and K-Means allowed realization of a lithological cartography as well as maps of lineaments through di...
Recherches archéologiques sur les mines et la métallurgie de l’argent à Imiter (Maroc)
Journal of African Archaeology, 2021
Imiter, mine d’argent de l’Anti-Atlas marocain encore en activité, possède des vestiges archéolog... more Imiter, mine d’argent de l’Anti-Atlas marocain encore en activité, possède des vestiges archéologiques de travaux miniers et métallurgiques. L’étude de textes anciens et d’artefacts a permis de la rapprocher de la mine d’argent de Todgha connue à l’époque médiévale (El Ajlaoui 1994). Entre 2011 et 2014, une équipe pluridisciplinaire (historien, géologue métallogéniste, géochimiste, archéologues) a entrepris des prospections en surface et en souterrain, la fouille de trois cuves de traitement du minerai ainsi que la caractérisation minéralogique et géochimique de minerais et déchets métallurgiques anciens. Les résultats des datations des cuves placent le dépôt après utilisation entre le IIe siècle cal BC et le VIe siècle cal AD, soit avant la période islamique. Cet article fait état des résultats de ces recherches, qui documentent pour la première fois une exploitation antique de l’argent dans les régions méridionales du Maroc, exploitation qui s’est poursuivie à l’époque médiévale.
Journal of African Earth Sciences, 2017
Journal of African Earth Sciences, 2017
Located along the northwestern edge of the West African Craton, Morocco exhibits a wide variety o... more Located along the northwestern edge of the West African Craton, Morocco exhibits a wide variety of magmatic events from Archean to Quaternary. The oldest magmatic rocks belong to the Archean Reguibat Shield outcrops in the Moroccan Sahara. Paleoproterozoic magmatism, known as the Anti-Atlas granitoids, is related to the Eburnean orogeny and initial cratonization of the WAC. Mesoproterozoic magmatism is represented by a small number of mafic dykes known henceforth as the Taghdout mafic volcanism. Massive Neoproterozoic magmatic activity, related to the Pan-African cycle, consists of rift-related Tonian magmatism associated with the Rodinia breakup, an Early Cryogenian convergent margin event (760-700Ma), syn-collisional Bou-Azzer magmatism (680-640 Ma), followed by widespread Ediacaran magmatism (620-555 Ma). Each magmatic episode corresponded to a different geodynamic environment and produced different types of magma. Phanerozoic magmatism began with Early Cambrian basaltic (rift?) volcanism, which persisted during the Middle Cambrian, and into the Early Ordovician. This was succeeded by massive Late Devonian and Carboniferous, pre-Variscan tholeiitic and calc-alkaline (Central Morocco) volcanic flows in basins of the Moroccan Meseta. North of the Atlas Paleozoic Transform Zone, the Late Carboniferous Variscan event was accompanied by the emplacement of 330 -300 Ma calc-alkaline granitoids in M A N U S C R I P T A C C E P T E D ACCEPTED MANUSCRIPT upper crustal shear zones. Post-Variscan alkaline magmatism was associated with the opening of the Permian basins. Mesozoic magmatism began with the huge volumes of magma emplaced around 200 Ma in the Central Atlantic Magmatic Province (CAMP) which was associated with the fragmentation of Pangea and the subsequent rifting of Central Atlantic. CAMP volcanism occurs in all structural domains of Morocco, from the Anti-Atlas to the External Rif domain with a peak activity around 199 Ma. A second Mesozoic magmatic event is represented by mafic lava flows and gabbroic intrusions in the Internal Maghrebian flysch nappes as well as in the external Mesorif. This event consists of Middle-Upper Jurassic MORB tholeiites emplaced during opening of the Alpine Tethys ocean. The Central High Atlas also records Early Cretaceous alpine Tethys magmatism associated with the aborted Atlas rift, or perhaps linked to plume activity on the edge of the WAC. Cenozoic magmatism is associated with Tertiary and Quaternary circum-Mediterranean alkaline provinces, and is characterized by an intermittent activity over 50 Ma from the Anti-Atlas to the Rif Mountain along a SW-NE volcanic lineament which underlines a thinned continental lithosphere.
Journal of Environment and Earth Science, 2014
The Tifnoute valley Cu-Mo±Au mineral occurrences are located NW of Siroua massif in the central M... more The Tifnoute valley Cu-Mo±Au mineral occurrences are located NW of Siroua massif in the central Moroccan Anti-Atlas. This mineralization appears to be associated to the Imourkhssan granite and the Asskaoun granodiorite dated respectively 561 ± 3 and 558 ± 2 Ma. These highly potassic granitoids show an arc signature and are in-placed in an extensional tectonic setting typical of the post-collision Late Pan-African period. In places, these rocks are strongly to slightly affected by hydrothermal alterations of phyllic, propylitic and argillic types with development of a pyritic facies around the Imourkhssan granite. The mineralization can be divided into two types: A molybdenite mineralization and some sulphides spatially linked to the Imourkhssan granite. It is disseminated in the granite or appears in lamellar or pluri-millimetric fragments. It also occurs as spots and nets along chloritized fractures planes oriented NNE-SSW and dipping 40 to 60 SE. The paragenesis consists of molybdenite, pyrite, chalcopyrite and sphalerite. Talat N'Lbnour Cu-Au mineralization linked to NS fractures affecting Askaoun granodiorite. The vein is about 0.5 to 2 m thick that extends about 400 m. The mineralized fractures are filled essentially with quartz, siderite and chlorite. Metallographic study reveals a diverse paragenesis that consists of pyrite, chalcopyrite, gold, bornite and chalcocite. The secondary paragenesis consists of chalcopyrite, covellite, bornite, malachite, azurite and hematite. These features of these mineralizations are discussed in the context of an arc-type Cu-Mo±Au porphyry mineralization.
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Talks by Mustapha Souhassou
Papers by Mustapha Souhassou