 | | Journal (article/letter/editorial) | | 2010: pp. 0ā0 International J.D. Keppie etGeology al. Review J. Duncan Keppiea*, J. Dostalb and J. B...and Tibesti-Gharyan swells that consist of Precambrian rocks overlain by Cenozoic volcanic rocks. The...collision between Africa and Europe. The Cenozoic volcanic rocks in the Hoggar generally range from Oligocene...their identification are not unique (e.g. Foulger et al. 2005; Foulger and Jurdy 2007). However, two of the...and from approximately 670 km depth (Montelli et al. 2004, 2006). However, such low-velocity zones may |  | | Report (chapter) | | petrological evidence from the Gharyan lherzolite xenoliths, NW Libya L. BECCALUVA1, G. BIANCHINI1, R...G75 0QF, UK 3 Geology Department, Al-Fateh University, Tripoli, Libya Abstract: The Neogeneā Quaternary...alkali-basalt ā hawaiite lavas of the Gharyan volcanic field (NW Libya) contain mantle xenoliths. These mostly...and brown spinel destabilized in a higher Cr/(Cr Ć¾ Al) black vermicular aggregate (sp2) generally associated...sub-lithospheric component. The relatively low 3He/4He of the Gharyan xenoliths (5.3ā6.5 Ra) indicates that this component |  | Cucciniello, C., Tucker, R. D., Jourdan, F., Melluso, L., Morra, V. (2016) The age and petrogenesis of alkaline magmatism in the Ampasindava Peninsula and Nosy Be archipelago, northern Madagascar. Mineralogy and Petrology, 110 (2) 309-331 doi:10.1007/s00710-015-0387-1 | Journal (article/letter/editorial) | | Bobaomby (Cap dāAmbre) and Massif dāAmbre primitive volcanic rocks. These geochemical features are broadly...(92ā84 Ma; Cucciniello et al. 2010, 2011a, 2013; Melluso et al. 2005; Storey et al. 1995) and is characterized...Precambrian basement (e.g., Melluso et al. 2001; Cucciniello et al. 2013 and references therein). The second... and (iii) Pleistocene ā Recent (e.g., Tucker et al. 2008 and references therein). The igneous rocks...Ankaizina district; e.g., Melluso and Morra 2000; Buchwaldt et al. 2005; C. Cucciniello et al. Cucciniello |  | Cucciniello, Ciro, Melluso, Leone, le Roex, Anton P., Jourdan, Fred, Morra, Vincenzo, deā Gennaro, Roberto, Grifa, Celestino (2017) From olivine nephelinite, basanite and basalt to peralkaline trachyphonolite and comendite in the Ankaratra volcanic complex, Madagascar: 40 Ar/ 39 Ar ages, phase compositions and bulk-rock geochemical and isotopic evolution. Lithos, 274. 363-382 doi:10.1016/j.lithos.2016.12.026 | Journal (article/letter/editorial) | | trachyphonolite and comendite in the Ankaratra Volcanic Complex, Madagascar: 39Ar/40Ar ages, phase compositions...trachyphonolite and comendite in the Ankaratra Volcanic Complex, Madagascar: 39Ar/40Ar ages, phase compositions...trachyphonolite and comendite in the Ankaratra Volcanic Complex, Madagascar: 39Ar/40Ar ages, phase T...del Sannio, Italy Abstract D The Ankaratra volcanic field covers an area of ~3800 km2 in central Madagascar...emplaced at different ages (Miocene to Recent). The volcanic products include ultramafic-mafic (olivine-leucite |  | Melluso, L., Tucker, R.D., Cucciniello, C., le Roex, A.P., Morra, V., Zanetti, A., Rakotoson, R.L. (2018) The magmatic evolution and genesis of the Quaternary basanite-trachyphonolite suite of Itasy (Madagascar) as inferred by geochemistry, Sr-Nd-Pb isotopes and trace element distribution in coexisting phases. Lithos, 310. 50-64 doi:10.1016/j.lithos.2018.04.003 | Journal (article/letter/editorial) | | Pleistocene-Holocene volcanic field in central Madagascar, located to the west of the ED Ankaratra volcanic complex...flows, covering an area of ab. 400 km2. The last volcanic episodes PT probably dated ca. 6000-7100 y BP;...volcanism (Woolley, 2001; Tucker et al., 2008; Cucciniello et al., 2011, 2016, 2017), which crops out...the island (Nicollet, 1984; PiquĆ© et al., 1999; Cucciniello et al., 2016, 2018). The changing ages and...(Tucker et al., 2014; Melluso et al., 2016; Cucciniello et al., 2018). The central field of alkaline |  | | Book | | geology of North Africa, this book deals with Egypt, Libya, Algeria, Tunisia and Morocco. In great detail the...and revised version of āThe Geology of Egypt and Libyaā by the same author (Balkema, 2001). Ed Tawadros...consulting and major oil companies in Egypt, Canada, Libya, Argentina and other countries. With a rich research...xv xvii xix PART 1 1.1 1.2 1.3 1.4 1.5 Egypt Libya Algeria Tunisia Morocco TECTONIC FRAMEWORK OF NORTH...Younger gabbros 5.1.10 Younger granites 5.1.11 Trachyte plugs (post-Hammamat felsites) 5.1.12 Swarm dikes |  | | Report (volume) | | fertile spinel lherzolites from the Viliga Volcanic Field in NE Russia SEGHEDI , I., NTAFLOS , T. & PEĢCSKAY...petrological evidence from the Gharyan lherzolite xenoliths, NW Libya PERINELLI , C., ORLANDO , A., CONTE...reaction (Coltorti et al. 2000), (2) in situ melting (Chazot et al. 1996; Yaxley et al. 1997), (3) decompressional...phlogopite (e.g. GreĢgoire et al. 2000; Moine et al. 2001; Coltorti et al. 2007a). Another revolution is...wedges (e.g. Smith et al. 1999; GreĢgoire et al. 2001; McInnes et al. 2001; Ishimaru et al. 2007). Most of |
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