 | Verhaert, Michèle, Bernard, Alain, Saddiqi, Omar, Dekoninck, Augustin, Essalhi, Mourad, Yans, Johan (2018) Mineralogy and Genesis of the Polymetallic and Polyphased Low Grade Fe-Mn-Cu Ore of Jbel Rhals Deposit (Eastern High Atlas, Morocco) Minerals, 8 (2) 39 doi:10.3390/min8020039 | Journal (article/letter/editorial) | | Low Grade Fe-Mn-Cu Ore of Jbel Rhals Deposit (Eastern High Atlas, Morocco) Michèle Verhaert 1, * ID ...Hassan II, BP 5366, Maârif, 20100 Casablanca, Morocco; omarsaddiqi@yahoo.fr Equipe de Recherche: Géophysique...Ismaïl, BP. 509, Boutalamine, 52000 Errachidia, Morocco; mourad.essalhi@gmail.com Correspondence: michele-alexandra...2018 Abstract: The Jbel Rhals deposit, located in the Oriental High Atlas of Morocco, hosts a polymetallic...and Triassic conglomerates. The genesis of this deposit is clearly polyphased, resulting from supergene |  | Bouabdellah, Mohammed, Boukirou, Wissale, Potra, Adriana, Melchiorre, Erik, Bouzahzah, Hassan, Yans, Johan, Zaid, Khadra, Idbaroud, Mohammed, Poot, Julien, Dekoninck, Augustin, Levresse, Gilles (2021) Origin of the Moroccan Touissit-Bou Beker and Jbel Bou Dahar Supergene Non-Sulfide Biomineralization and Its Relevance to Microbiological Activity, Late Miocene Uplift and Climate Changes. Minerals, 11 (4) 401 doi:10.3390/min11040401 | Journal (article/letter/editorial) | | Article Origin of the Moroccan Touissit-Bou Beker and Jbel Bou Dahar Supergene Non-Sulfide Biomineralization...al. Origin of the Moroccan Touissit-Bou Beker and Jbel Bou Dahar Supergene Non-Sulfide Biomineralization...Sciences, University Mohammed I, Oujda 60000, Morocco; wissale.boukirou@gmail.com (W.B.); zaid.khdra@gmail...geochemistry, the world-class Touissit- Bou Beker and Jbel Bou Dahar Mississippi Valleytype districts of the...mineable “calamine” ores in the Touissit-Bou Beker and Jbel Bou Dahar districts. Stable isotope compositions |  | Silva, Teresa P., Matos, João X., De Oliveira, Daniel, Veiga, João P., Morais, Igor, Gonçalves, Pedro, Albardeiro, Luís (2020) Mineral Inventory of the Algares 30-Level Adit, Aljustrel Mine, Iberian Pyrite Belt, Portugal. Minerals, 10 (10) 853 doi:10.3390/min10100853 | Journal (article/letter/editorial) | | along underground adits (galleries). Nowadays, the deposit is considered exhausted and the area is being rehabilitated...of about 360 m [3,6–8]. Presently, the Algares deposit is considered exhausted and the area is being rehabilitated...underground adits [4,5]. The outcropping Algares deposit forms a NW–SE narrow gossan, mapped along 900 m...the erosion and supergene alteration of a VMS deposit [5,8,13]. To promote new educational visits, the...chlorite/clinochlore, mica group minerals, alunite, jarosite and hematite are considered here as substrates |  | Verhaert, Michèle, Madi, Atman, El Basbas, Abdelaziz, Elharkaty, Mohamed, Oummouch, Abdellah, Oumohou, Lahcen, Malfliet, Annelies, Maacha, Lhou, Yans, Johan (2020) Genesis of As-Pb-Rich Supergene Mineralization: The Tazalaght and Agoujgal Cu Deposits (Moroccan Anti-Atlas Copperbelt). Economic Geology, 115 (8). 1725-1748 doi:10.5382/econgeo.4779 | Journal (article/letter/editorial) | | 3Département Group, BP 5199, 20100 Casablanca, Morocco des Sciences de la Terre, Ecole Nationale Supérieure...of supergene profiles. In the Tazalaght Cu-As deposit, three mineralogical steps are distinguished: (1)...hematite, and quartz in the gossan. In the Cu-As-Pb-V deposit of Agoujgal, the mineralogical units are spatially...substantial deposits. The ores of this metallogenic province are hosted by Late Neoproterozoic to Cambrian...faults Fig. 1. (A). Simplified geologic map of Morocco. (B). Geologic map of the Anti-Atlas, showing the |  | Dekoninck, Augustin, Monié, Patrick, Blockmans, Sabine, Hatert, Frédéric, Rochez, Gaëtan, Yans, Johan (2019) Genesis and 40Ar/39Ar dating of K-Mn oxides from the Stavelot Massif (Ardenne, Belgium): Insights into Oligocene to Pliocene weathering periods in Western Europe. Ore Geology Reviews, 115. 103191 doi:10.1016/j.oregeorev.2019.103191 | Journal (article/letter/editorial) | | c ARTICLE INFO ABSTRACT Keywords: Manganese deposit Ardenne Stavelot-Venn Massif K-Mn oxide Weathering...weathering-type deposit in the Salmchâteau area and a carbonate-hosted sedimentary deposit in the Chevron...ferruginous conglomerates and breccias (chanel deposit), (iv) carbonate replacement ores, and (v) limonitic...features The Stavelot Massif belongs to the Ardenne region, which is part of the Rheno-hercynian fold-and-thrust...cryptokarst formation, in which K-Ar dating of jarosite also provided Miocene ages (~17–18 Ma) for the |
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