Download Active Volcanoes of the Southwest Indian Ocean: Piton de la by Patrick Bachelery, Jean-François Lenat, Andrea Di Muro, PDF

By Patrick Bachelery, Jean-François Lenat, Andrea Di Muro, Laurent Michon

Piton de los angeles Fournaise and Karthala are either safeguard volcanoes within the southwest Indian Ocean. This e-book summarizes the paintings performed on those very lively basaltic volcanoes. Piton de l. a. Fournaise has an extended historical past of medical learn and tracking, with many info accrued in the course of contemporary eruptions. it really is one in every of the main studied volcanoes on this planet. The paintings provided during this monograph comprises geological, geophysical, geochemical and petrological facets, but in addition stories on actual geography, common risks and the sociological and behavioural approaches.'

The Karthala volcano can be much less popular, however it serves as an attractive comparability to Piton de l. a. Fournaise. even supposing positioned as regards to the volcanoes of Hawaii, it differs from them through its extra alkaline magmas and no more common task. It used to be additionally monitored for greater than 25 years, generating striking eruptions in contemporary years.

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Active Volcanoes of the Southwest Indian Ocean: Piton de la Fournaise and Karthala

Piton de l. a. Fournaise and Karthala are either defend volcanoes within the southwest Indian Ocean. This booklet summarizes the paintings performed on those very energetic basaltic volcanoes. Piton de los angeles Fournaise has an extended heritage of medical learn and tracking, with many information accumulated in the course of contemporary eruptions.

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Extra resources for Active Volcanoes of the Southwest Indian Ocean: Piton de la Fournaise and Karthala

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2001; Oehler et al. 2008; Rançon et al. 1989; Smietana 2011). l, we can speculate that Les Alizés volcano could have emerged at about the same period as Piton des Neiges, around 2 Ma. If the “Roches Pintades Series” is associated with Les Alizés, the latter would have reached a stage of transition from a basaltic shield-building stage to a more differentiated stage between at least 535 and 400–450 ka. The evolution of Les Alizés volcano is still more speculative after this period. , the summit of the edifice could have reached at least 1500–2500 m in elevation if we compare to similar sites such as Piton des Neiges or Hawaii (Ryan 1987).

Acknowledgments We thank Andrea Di Muro for his accurate suggestions that helped to improve this contribution. References Aubert de la Rüe E (1965) Le Piton de la Fournaise, volcan actif de l’île de la Réunion. Bulletin Volcanologique. Bull Volcanol 28(1):311–320 Bachèlery P (1981) Le Piton de la Fournaise (Ile de la Reunion). Etude volcanologique, structurale et petrologique. Piton de la Fournaise, Reunion; volcanologic, structural and petrographic study. Doctoral thesis, University of Clermont-Ferrand, Clermont-Ferrand, p 255 Bachèlery P, Saint-Ange F, Villeneuve N, Savoye B, Normand A, Le Drezen E, Barrère A, Quod J-P, Deplus C (2010) Huge lava flows into the sea and caldera collapse, April 2007, Piton de la Fournaise volcano.

The Seychelles and Madagascar are micro-continents isolated by the episodes of sea floor spreading described above. Torsvik et al. (2013) suggest that additional continental fragments are present beneath part of the Saya de Maha and Nazareth Banks, Cargados-Carjos and Mauritius, forming an arc of anomalously thick crust that extends northwards from Mauritius to the Seychelles. The other plateaus, Laccadives, Maldive, Chagos, Mascarene, and Mauritius and La Réunion islands, are widely regarded as volcanic constructions of the La Réunion hotspot 2 Geodynamic Setting of La Réunion which can be traced back to the emission of the Deccan Trapps in the late Cretaceous era.

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