 | | Journal (article/letter/editorial) | | Tectono-Minerogenetic Unitsof the Basement of Madagascar JEAN CHANTRAINE * AND LUIGI RADELLI** Abstract...defined orogen and to some tectonic basementof Madagascar(Besairie, 1966), but ex- zone of each orogen...team were able, through some40 years of balt, beryllium,tin, tungstenand niobium-tantalumcontinuingfield...article the followingnoteswill suffice. Survey of Madagascar who helped in collecting the data The oro#eniescorrespondto... TECTONO-MINEROGENETIC Fig.1 TECTONIC OF THE OF UNITS OF MADAGASCAR 691 MAP BA3EIV!ENT MADAGA3CAR 200kin LEGEND |  | | Report (issue) | | de galenes de Madagascar [Second series of measurements of age of galenas from Madagascar]: Acad. Sci....five galena specimens from different parts of Madagascar are determined as 330±r50 million years (Ankitokazo);...million years (Migioky); 1,890±50 million years (Ambatomitsangana); 1,850±50 million years (AnMsatra); and 2...million years (Andrambo). The ages for the Ambatomitsangana and Ankisatra specimens are in close agreement...Tremblements de terre ressentis a Madagascar en 1954 [Earthquakes felt in Madagascar in 1954]: Acad. Malgache |
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