Plume-Lithosphere Interaction during Migration of Cretaceous Alkaline Magmatism in SW Portugal: Evidence from U-Pb Ages and Pb-Sr-Hf Isotopes

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Plume-Lithosphere Interaction during Migration of Cretaceous Alkaline Magmatism in SW Portugal: Evidence from U-Pb Ages and Pb-Sr-Hf Isotopes

Large massifs of alkaline rocks are exposed along ∼250 km of the Atlantic coast of Portugal. Their origin is still poorly understood, including the precise timing of their emplacement and their relationships with the well-constrained alkaline magmatic rocks that occur 200–1000 km offshore. To elucid...

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Bibliographic Details
Main Authors:	Grange, Marion, Scharer, U., Merle, R., Girardeau, J., Cornen, G.
Format:	Journal Article
Published:	Oxford University Press 2010
Subjects:	Portugal subcontinental lithospheric mantle (SCLM) Pb-Sr-Hf isotopes alkaline magmatism U-Pb geochronology
Online Access:	http://hdl.handle.net/20.500.11937/32781

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