Le massif volcanique de l'Itasy (Madagascar). The following references have all been used during the compilation of data for this volcano, it is not a comprehensive bibliography.īattistini R, 1962.
Vulcanian eruptions formed several lake-filled craters. The latest activity produced well-preserved basanitic cinder cones. Trachytic lava domes were erupted during the initial stage, and massive fissure eruptions created a series of tectonic lakes. The larger field covers a 100-km-long area in central Madagascar generally between Avironimamo to the N and Antsirabe to the S. The Quaternary Vakinankaratra volcanic field is at the SW end of the Neogene Ankaratra volcanic field.
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