 | | Journal (article/letter/editorial) | | Mineralization in the Ambohimirahavavy Alkaline Complex, Madagascar Guillaume Estrade,1 Stefano Salvi,1,†Didier...Cenozoic Ambohimirahavavy alkaline complex in Madagascar consists of several syenitic to granitic intrusions...intrusions (24.2 ± 0.6 Ma) the largest of which, the Ampasibitika intrusion, is characterized by the presence...alkaline complex, located in the northwest of Madagascar, has been the subject of a recent publication...40 km south of Nosy Be Island, in northwestern Madagascar (Figs. 1a-b), and is part of a NW-SE–trending |  | | Book | | classification of volcanic rocks using TAS (total alkali–silica diagram) ....... 35 2.15 Field symbols and..... 36 2.16 Likelihood of correctly classifying alkali basalt and subalkali basalt using TAS ...........petrography of the interesting and unique nepheline syenite massif of Ditro in Transylvania, on which he published...classification of volcanic rocks based on the total alkali – silica diagram. Journal of Petrology. Oxford...monzonite must have the same status as quartz-syenite to syenite and quartz-diorite to diorite. On this critical |
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