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Piton de l. a. Fournaise and Karthala are either defend volcanoes within the southwest Indian Ocean. This book summarizes the paintings performed on those very energetic basaltic volcanoes. Piton de l. a. Fournaise has a protracted heritage of clinical examine and tracking, with many info amassed in the course of fresh eruptions. it truly is one in all the main studied volcanoes on the planet. The paintings awarded during this monograph contains geological, geophysical, geochemical and petrological features, but in addition reports on actual geography, normal risks and the sociological and behavioural approaches.'

The Karthala volcano should be much less popular, however it serves as an enticing comparability to Piton de los angeles Fournaise. even if located with reference to the volcanoes of Hawaii, it differs from them by way of its extra alkaline magmas and no more widespread task. It was once additionally monitored for greater than 25 years, generating amazing eruptions in recent times.

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Additional resources for Active Volcanoes of the Southwest Indian Ocean: Piton de la Fournaise and Karthala (Active Volcanoes of the World)

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2012) have made a recent chronological compilation of the subaerial evolution of Piton des Neiges. 43 Ma (Oceanic Series). After a period of apparent quiescence, Piton des Neiges then erupted differentiated alkaline lavas (Differentiated Series) between 350 and 29 ka. The evolution of Piton des Neiges volcano over more than 2 Ma, involving volcanic and volcano-tectonic activity and high erosion rates, has resulted in a complex geology exposed in deep valleys and in three main depressions (Fig.

Geophys Res Lett 34:L21301. 1029/ 2007GL031248 Michon L, Villeneuve N, Catry T, Merle O (2009) How summit calderas collapse on basaltic volcanoes: new insights from the April 2007 caldera collapse of Piton de la Fournaise volcano. J Volcano Geotherm Res, 184(1– 2): 138–151. 003 Montaggioni L, Nativel P, Billard G (1972) L’activite actuelle du Piton de la Fournaise (Ile de la Reunion, Ocean Indien). C R Acad Sci Paris 275:2615–2618 Peltier A, Massin F, Bachèlery P, Finizola A (2012) Internal structures and building of basaltic shield volcanoes: the example of the Piton de La Fournaise terminal cone (La Réunion).

This surveillance was funded by the local council (Conseil Général) (Ducrot 1960). The curator of the museum in Saint Denis was formally in charge of the surveillance, and he was entitled to help from the Forest Service, the police and the school teachers. Reports were distributed to the prefect, to the Geological Survey of Madagascar, and to the Madagascar academy. Petrographical and geochemical analyses of samples from the eruptions were performed by the Geological Survey of Madagascar. Aerial photos, taken by small airplanes from the local flying club, could be requested by the prefect.

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