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BALLEVRE , Michel

Last name: BALLEVRE

First name: Michel

2005 (v1)

Journal article

Metadata-only

Rb-Sr and Ar-40/Ar-39 ages in blueschists from the Ile de Groix (Armorican Massif, France): Implications for closure mechanisms in isotopic systems

Bosse, Valérie Féraud, Gilbert Ballevre, Michel

RbSr and 40Ar/39Ar data mainly ranging from 345 5 to 361 5 Ma and from 348.4 1.4 to 364.6 1.4 Ma, respectively, have been obtained on phengite from the HP/LT rocks from the Ile de Groix (Armorican Massif, France), which represents one of the few occurrences of Variscan blueschists. Petrological data show two blueschist-facies units,...

Uploaded on: December 2, 2022