Timing of Hot Spot-Related Volcanism and the Breakup of Madagascar and India

Widespread basalts and rhyolites were erupted in Madagascar during the Late Cretaceous. These are considered to be related to the Marion hot spot and the breakup of Madagascar and Greater India. Seventeen argon-40/argon-39 age determinations reveal that volcanic rocks and dikes from the 1500-kilomet...

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Veröffentlicht in:	Science (American Association for the Advancement of Science) 1995-02, Vol.267 (5199), p.852-855
Hauptverfasser:	Storey, Michael, Mahoney, John J., Saunders, Andrew D., Duncan, Robert A., Kelley, Simon P., Coffin, Millard F.
Format:	Artikel
Sprache:	eng
Schlagworte:	Age Differences Basalt Congenital Impairments Continental drift Cretaceous Cretaceous period Crystalline rocks Earth sciences Earth, ocean, space Exact sciences and technology Geochronology Geography Geology Geology, Stratigraphic Heat Igneous and metamorphic rocks petrology, volcanic processes, magmas Isotope geochemistry. Geochronology Lava Least Squares Statistics Lithospheres Marine Massifs Plagioclase Plate tectonics Plumes Rhyolite Stratigraphy Volcanic rocks Volcanism Volcanoes
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