 | 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) | | co-genetic suite of samples from the Mauritanian Guelb el Azib ultramafic-mafic-anorthosite complex (GAC),...the liquid. In this study, we investigate the Guelb el Azib ultramafic-mafic-anorthosite Archean layered...igneous complex in the West African craton of Mauritania (Figs. 1 and 2). Despite having been metamorphosed...deformation, the original stratigraphy of the Guelb el Azib complex (GAC), comprising ultramafic cumulates...and sample description 2.1 The Guelb el Azib complex The Guelb el Azib (GAC) is an Archaean sheet-like |  | | 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 |  | | Journal (article/letter/editorial) | | et al., 2011, 2012; Huang et al., 2014), the Guelb el Azib layered complex in the West African craton (Berger...area is a typical part of a high-grade metamorphic region in the Yinshan Block. The preserved Archean rock...carbonate alteration (e.g. Rose et al., 1996). Calcite and talc occurred in samples 13XWL13 and 32, resulting...tic rocks from the Guelb el Azib layered complex (West African craton, Mauritania). Precambrian Res....Cenozoic reconstruction of the Southwest Pacific region: tectonics controlled by subduction and slab rollback |  | Chen, Chunfei, Ciazela, Jakub, Li, Wei, Dai, Wei, Wang, Zaicong, Foley, Stephen F., Li, Ming, Hu, Zhaochu, Liu, Yongsheng (2020) Calcium isotopic compositions of oceanic crust at various spreading rates. Geochimica et Cosmochimica Acta, 278. 272-288 doi:10.1016/j.gca.2019.07.008 | Journal (article/letter/editorial) | | osite metamorphic complex from Mauritanian Guelb el Azib (-1.53‰ to 1.61‰), Valdes et al. (2019) interpreted...crust may be increased due to the precipitation of calcite from submarine hydrothermal vent fluids, as indicated...W.-C. (2005) Calcium isotope fractionation in calcite and aragonite. Geochimica et Cosmochimica Acta |  | | Journal (article/letter/editorial) | | positive values Jo are for garnet-apatite, garnet-calcite, and garnet-clinopyroxene. Note that these statements...distributions were also explored in samples from the Guelb el Azib Complex (a mafic intrusion metamorphosed to...from (Antonelli et al., 2019c). The shaded purple region demarcates the compositional field that would be...yielded =0.99965, similar to observations of calcite-fluid pairs: 0.99945-0.99970 (Brown et al., 2013)...correspond to epidote (purple), barite (orange), calcite (grey), Jo experimental anhydrite (yellow), and |
|
