Articles | Volume 12, issue 6
https://doi.org/10.5194/se-12-1357-2021
https://doi.org/10.5194/se-12-1357-2021
Research article
 | 
16 Jun 2021
Research article |  | 16 Jun 2021

Interactions of plutons and detachments: a comparison of Aegean and Tyrrhenian granitoids

Laurent Jolivet, Laurent Arbaret, Laetitia Le Pourhiet, Florent Cheval-Garabédian, Vincent Roche, Aurélien Rabillard, and Loïc Labrousse

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Subject area: Tectonic plate interactions, magma genesis, and lithosphere deformation at all scales | Editorial team: Structural geology and tectonics, paleoseismology, rock physics, experimental deformation | Discipline: Tectonics
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Cited articles

Angelier, J., Glaçon, G., and Muller, C.: Sur la présence et la position tectonique du Miocène inférieur marin dans l'archipel de Naxos (Cyclades, Grèce), C. R. Acad. Sc. Paris, 286, 21–24, 1978. 
Avanzinelli, R., Lustrino, M., Mattei, M., Melluso, L., and Conticelli, S.: Potassic and ultrapotassic magmatism in the circum-Tyrrhenian region: Significance of carbonated pelitic vs. pelitic sediment recycling at destructive plate margins, Lithos, 113, 213–227, https://doi.org/10.1016/j.lithos.2009.1003.1029, 2009. 
Bargnesi, E. A., Stockli, D. F., Mancktelow, N., and Soukis, K.: Miocene core complex development and coeval supradetachment basin evolution of Paros, Greece, insights from (U–Th)/He thermochronometry, Tectonophysics, 595, 165–182, 2013. 
Beaudoin, A., Augier, R., Laurent, V., Jolivet, L., Lahfid, A., Bosse, V., Arbaret, L., Rabillard, A., and Menant, A.: The Ikaria high-temperature Metamorphic Core Complex (Cyclades, Greece): Geometry, kinematics and thermal structure, J. Geodynam., 92, 18–41, https://doi.org/10.1016/j.jog.2015.1009.1004, 2015. 
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Short summary
Although viscosity of the crust largely exceeds that of magmas, we show, based on the Aegean and Tyrrhenian Miocene syn-kinematic plutons, how the intrusion of granites in extensional contexts is controlled by crustal deformation, from magmatic stage to cold mylonites. We show that a simple numerical setup with partial melting in the lower crust in an extensional context leads to the formation of metamorphic core complexes and low-angle detachments reproducing the observed evolution of plutons.