| Estrade, Guillaume, Béziat, Didier, Salvi, Stefano, Tiepolo, Massimo, Paquette, Jean-Louis, Rakotovao, Soatsitohaina (2014) Unusual evolution of silica-under- and -oversaturated alkaline rocks in the Cenozoic Ambohimirahavavy Complex (Madagascar): Mineralogical and geochemical evidence. Lithos, 206. 361-383 doi:10.1016/j.lithos.2014.08.008 | Journal (article/letter/editorial) | rocks in the Cenozoic Ambohimirahavavy Complex (Madagascar): Mineralogical and geochemical evidence Guillaume...rocks in the Cenozoic Ambohimirahavavy Complex (Madagascar): Mineralogical and geochemical evidence, LITHOS...rocks in the Cenozoic Ambohimirahavavy Complex (Madagascar): Mineralogical and PT geochemical evidence...supérieure polytechnique de Madagascar, Ambatomaro Antsobolo Antananarivo Madagascar CE e PT Clermont-Ferrand...the Cenozoic alkaline province of northwestern Madagascar has recently attracted considerable interest | | Lustrino, Michele, Cucciniello, Ciro, Melluso, Leone, Tassinari, Colombo C.G., dè Gennaro, Roberto, Serracino, Marcello (2012) Petrogenesis of Cenozoic volcanic rocks in the NW sector of the Gharyan volcanic field, Libya. Lithos, 155. 218-235 doi:10.1016/j.lithos.2012.09.003 | Journal (article/letter/editorial) | is compatible with removal of clinopyroxene, plagioclase, alkali feldspar, amphibole, magnetite and titanite...main phenocryst/microphenocryst phases, with plagioclase, brown amphibole, brown mica and opaque oxides... and are rich in olivine, clinopyroxene and plagioclase crystals, with rare amphibole and opaque oxides...and highly altered. The main phenocrysts are plagioclase and subordinate amphibole, with a trachytic groundmass...the late pyroxenes nucleated. 5.3. Feldspars Plagioclase in the mafic rocks (basanites and alkali basalts) |
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