40Ar behaviour and exhumation dynamics in a subduction channel from multi-scale 40Ar/39Ar systematics in phengite

The behaviour of the phengite 40Ar/39Ar system has been explored at different scales on Sifnos and Syros, two key islands of the Upper Cycladic Blueschist system (UCB). These islands expose well-preserved eclogites and blueschists that were exhumed via extensional collapse of the Aegean subduction/a...

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Veröffentlicht in:	Geochimica et cosmochimica acta 2021-10, Vol.311, p.141-173
Hauptverfasser:	Laurent, Valentin, Scaillet, Stéphane, Jolivet, Laurent, Augier, Romain, Roche, Vincent
Format:	Artikel
Sprache:	eng
Schlagworte:	40Ar/39Ar geochronology Ar phengite Ar subdomains Cycladic Blueschist Unit Exhumation of blueschists and eclogites Sciences of the Universe Shear zone Subduction zone
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