Interrelations between extensional shear zones and synkinematic intrusions: The example of Ikaria Island (NE Cyclades, Greece) - INSU - Institut national des sciences de l'Univers Access content directly
Journal Articles Tectonophysics Year : 2015

Interrelations between extensional shear zones and synkinematic intrusions: The example of Ikaria Island (NE Cyclades, Greece)

Abstract

The Aegean extensional backarc domain is an ideal place to investigate the interrelations between syntectonic intrusions and large-scale detachments, understanding whether the intrusions have a triggering effect on the inception of metamorphic core complex formation or not. A new field study of Ikaria Island (NE Cyclades, Greece) in two Miocene granitoid plutons intruding a high-temperature metamorphic dome, namely the Raches and Karkinagrion granites, leads to the identification of a major structure that has been omitted in previous studies: the Gialiskari Detachment. This regional-scale detachment is correlated with the North Cycladic Detachment System. Structural fieldwork at the scale of the entire Raches and Karkinagrion intrusions allows us to propose a map of strain intensity in these granites.
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Dates and versions

insu-01145425 , version 1 (24-04-2015)

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Valentin Laurent, Alexandre Beaudoin, Laurent Jolivet, Laurent Arbaret, Romain Augier, et al.. Interrelations between extensional shear zones and synkinematic intrusions: The example of Ikaria Island (NE Cyclades, Greece). Tectonophysics, 2015, 651-652, pp.152-171. ⟨10.1016/j.tecto.2015.03.020⟩. ⟨insu-01145425⟩
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