 | Berger, Julien, Diot, Hervé, Lo, Khalidou, Ohnenstetter, Daniel, Féménias, Olivier, Pivin, Marjorie, Demaiffe, Daniel, Bernard, Alain, Charlier, Bernard (2013) Petrogenesis of Archean PGM-bearing chromitites and associated ultramafic–mafic–anorthositic rocks from the Guelb el Azib layered complex (West African craton, Mauritania) Precambrian Research, 224. 612-628 doi:10.1016/j.precamres.2012.10.005 | Journal (article/letter/editorial) | | tic rocks from the Guelb el Azib layered complex (West African craton, Mauritania) Julien Berger a,∗...de Nantes, France c Université de Nouakchott, Mauritania d Centre de Recherches Pétrographiques et Géochimiques...The Archean Guelb el Azib layered complex (GAC) in the West African craton of Mauritania is composed...informations are from Potrel et al. (1998). GAC: Guelb el Azib Complex. (Polat et al., 2009, 2010; Windley...this study, we present new data on the Archean Guelb el Azib complex, a new occurrence of layered anorthosite |  | | Journal (article/letter/editorial) | | Structural Parameters of Spinels from Amsaga (Mauritania) Davide Lenaz 1, * 1 2 3 4 5 * ID , Henrik...spinels from the Archean chromitites of Amsaga (Mauritania). The chemical and structural data testified...diffraction; Mössbauer spectroscopy; Archean; Mauritania 1. Introduction Chromium-bearing spinels are...the Archaean Guelb el Azib layered complex (GAC; Amsaga Area, West African craton, Mauritania; Figure 1)...GAC: Guelb el Aziz and the geochronological information are from Potrel (1996) [35]. GAC: Guelb el Aziz |  | Wainwright, Ashlea N., El Atrassi, Fatima, Debaille, Vinciane, Mattielli, Nadine (2019) Geochemistry and petrogenesis of Archean mafic rocks from the Amsaga area, West African craton, Mauritania. Precambrian Research, 324. 208-219 doi:10.1016/j.precamres.2019.02.005 | Journal (article/letter/editorial) | | Amsaga area, West African craton, Mauritania Ashlea N. Wainwright, Fatima El Atrassi, Vinciane Debaille, Nadine...rocks from the Amsaga area, West African craton, Mauritania, Precambrian Research (2019), doi: https://doi...area, West African craton, Mauritania 3 4 ASHLEA N. WAINWRIGHT1*+, FATIMA EL ATRASSI1, VINCIANE DEBAILLE1...Keywords: Paleoarchean, 142Nd, West African Craton, Mauritania, Geodynamic Regime 16 1 17 Abstract 18...Archean 23 terranes are dominated by felsic tonalite, trondhjemite and granodiorite rocks, as such |  | | Report (chapter) | | Mesoarchaean terranes in the Reguibat shield of NW Mauritania R. M. KEY1, S. C. LOUGHLIN1, M. GILLESPIE1, M...recognized in the Archaean Reguibat shield of NW Mauritania, based primarily on their gross lithological...such, the two domains are redefined as the Choum–Rag el Abiod Terrane and Tasiast– Tijirit Terrane. Previous...metamorphic lithologies of the eastern Choum–Rag el Abiod Terrane indicate a succession of crustal growth...its eastern side where it cuts into the Choum–Rag el Abiod Terrane. A new U– Pb zircon age of 2954+111 |  | | Journal (article/letter/editorial) | | et al., 2011, 2012; Huang et al., 2014), the Guelb el Azib layered complex in the West African craton (Berger...(NCC), one of the oldest Archean blocks hosting tonalite-trondhjemite- granodiorite (TTG) gneisses that...area is a typical part of a high-grade metamorphic region in the Yinshan Block. The preserved Archean rock...known rock therein is the ca 2.70 Ga gneissic tonalite (Fig. 1b, Dong et al., 2012; Ma et al., 2013d;...tic rocks from the Guelb el Azib layered complex (West African craton, Mauritania). Precambrian Res. |  | | Journal (article/letter/editorial) | | area. They occur as inclusions within ~2.65 Ga tonalite gneiss. Amphibolite is massive, has a stratiform...ultramafic complex. The intrusion of protolith of the tonalite gneiss then dismembered the mafic and ultramafic...area. They occur as inclusions within ~2.65 Ga tonalite 18 gneiss. Amphibolite is massive, has a stratiform...44 complex. The intrusion of protolith of the tonalite gneiss then dismembered the mafic and 45 ultramafic...inclusions within Na-rich granitoid gneiss of tonalite-trondhjemite-granodiorite (TTG) 3 68 affinity |  | Koffi, Gnagnon Raymond-Stéphane, Kouamelan, Alain Nicaise, Allialy, Marc Ephrem, Coulibaly, Yacouba, Peucat, Jean-Jacques (2020) Re-evaluation of Leonian and Liberian events in the geodynamical evolution of the Man-Leo Shield (West African Craton) Precambrian Research, 338. 105582 doi:10.1016/j.precamres.2019.105582 | Journal (article/letter/editorial) | | (GGGs), charnockites, and granodiorites from the Man region in western Côte d'Ivoire obtained by in-situ analysis...improvement upon previous ages obtained from the Man region. These were based on direct evaporation methodologies...U-Pb geochronological constraints on the eclogite-tonalite connection in the Archaean Man Shield, West Africa...tic rocks from the Guelb el Azib layered complex (West African craton, Mauritania). Precambrian Research...1016/j.lithos.2014.02.017. Montero, P., Haissen, F., El Archi, A., Rijmati, E., Bea, F., 2014. Timing of |  | | Book | | deposits in Morocco, Algeria, Tunisia, Mali, Mauritania, Egypt, Sudan, and Eritrea. Originally our goal...the setting and origin of major deposits in the region, together with information on tonnages and grades...Souiah, reports on the geology and mineralogy of the El Hammam REE-rich fluorite deposit in Morocco, suggesting...is followed by I.K. Khalil, A.M. Moghazi, and A.M. El Makky on mineralogical and geochemical constraints...comparisons and contrasts with MVT deposits in the region. The last part is focused on sediment-hosted iron |  | Berger, Julien, Lo, Khalidou, Diot, Hervé, Triantafyllou, Antoine, Plissart, Gaëlle, Féménias, Olivier (2017) Deformation-driven Differentiation during in situ Crystallization of the 2·7 Ga Iguilid Mafic Intrusion (West African Craton, Mauritania) Journal of Petrology, 58 (4) 819-840 doi:10.1093/petrology/egx035 | Journal (article/letter/editorial) | | Iguilid Mafic Intrusion (West African Craton, Mauritania) Julien Berger1*, Khalidou Lo2, Hervé Diot3...The Archean domain is dominated by migmatitic tonalite–trondhjemite– granodiorite (TTG) orthogneiss interleaved...tic rocks from the Guelb el Azib layered complex (West African craton, Mauritania). Precambrian Research...Mesoarchaean terranes in the Reguibat shield of NW Mauritania. In: Ennih, N. & Liégeois, J.-P. (eds) The Boundaries...35 Ga old terranes in the West African Craton, Mauritania. Journal of the Geological Society London 153 |  | Huang, Hua, Fryer, Brian J., Polat, Ali, Pan, Yuanming (2014) Amphibole, plagioclase and clinopyroxene geochemistry of the Archean Fiskenæsset Complex at Majorqap qâva, southwestern Greenland: Implications for Archean petrogenetic and geodynamic processes. Precambrian Research, 247. 64-91 doi:10.1016/j.precamres.2014.03.021 | Journal (article/letter/editorial) | | in the Fiskenæsset region of southwestern Greenland (Fig. 1). The Fiskenæsset region consists of ~80% granitoid...volcanic rocks in the region were subsequently intruded by granitoids having mostly a tonalite- cr trondhjemite-granodiorite...facies metamorphism of the southern Fiskenæsset region (Pidgeon and Kalsbeek, 1978). Igneous rock names...tic rocks from the Guelb el Azib layered complex (West African craton, Mauritania). Precambrian Research... d processes during the Neoarchaean: The Nuuk region, southern West Greenland. Precambrian Eiler, J |  | | Journal (article/letter/editorial) | | distributions were also explored in samples from the Guelb el Azib Complex (a mafic intrusion metamorphosed to...plagioclase crystallization in an experimental tonalite sample [also investigated in (Antonelli et al...minerals, whereas plagioclase from the experimental tonalite sample has a large Δ48Ca‘ depletion relative to...and the Napier Complex, and for an experimental tonalite and cumulate gabbro sample, modified from (Antonelli...(Antonelli et al., 2019c). The shaded purple region demarcates the compositional field that would be expected |
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