Geochemistry, geochronology, and cathodoluminescence imagery of the Salihli and Turgutlu granites (central Menderes Massif, western Turkey): Implications for Aegean tectonics

Catlos, Elizabeth J.; Baker, C. B.; Sorensen, Sorena S.; Çemen, İbrahi̇m; Hançer, Mete

doi:10.1016/j.tecto.2009.06.001

Cited by 44 publications

(22 citation statements)

References 91 publications

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“…Ionprobe monazite dating of this granite yield an age range from 21.7 ± 4.5 to 9.6 ± 1.6 Ma [Catlos and Cemen, 2005;Catlos et al, 2010], U-Pb dating gave 15.0 ± 0.3 Ma [Glodny and Hetzel, 2007] and biotite 40 Ar/ 39 Ar recorded cooling at 12.2 ± 0.4 Ma [Hetzel et al, 1995b].…”

Section: Samplingmentioning

confidence: 82%

Exhumation with a twist: Paleomagnetic constraints on the evolution of the Menderes metamorphic core complex, western Turkey

et al. 2010

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Much remains to be understood about the links between regional vertical axis rotations, continental extension, and shortening. In western Turkey, Miocene vertical axis rotations have been reported that occur simultaneously with the extensional exhumation of the Menderes metamorphic core complex, which has been related to back‐arc extension in the eastern part of the Aegean back arc. In this paper we explore the spatial and temporal relationships between vertical axis rotations in southwestern Turkey and extensional unroofing of the Menderes Massif. To this end, we provide a large set of new paleomagnetic data from western Turkey, and integrate these with the regional structural evolution to test the causes and consequences of oroclinal bending in the Aegean region. The Lycian Nappes and Bey Dağları are shown to rotate ∼20° between 16 and 5 Ma, defining the eastern limb of the Aegean orocline. This occurred contemporaneously with the exhumation of the central Menderes Massif (along extensional detachments) and after the latest Oligocene to early Miocene exhumation of the northern and southern Menderes massifs. Exhumation of the latter two was not associated with vertical axis rotations. The lower Miocene volcanics in the region from Lesbos to Uşak, to the north of the central Menderes Massif underwent a small clockwise rotation, insignificant with respect to Eurasia. This shows that exhumation of the central Menderes Massif was associated with a vertical axis rotation difference between the northern and southern Menderes massifs of ∼25°–30°. This result is in excellent agreement with the angle defined by the trends of Büyük Menderes and Alaşehir detachments, as well as the angle defined by the regionally curving stretching lineation pattern across the central Menderes Massif. These structures define a pivot point (rotation pole) for the west Anatolian rotations. The rotation of the southern domain, including the southern Menderes Massif, the Lycian Nappes, and Bey Dağları, must have led to N–S contraction east of this pole. The eastern limit of the rotating domain is formed by the transpressional couple of the Aksu thrust and Kırkkavak Fault in the center of the Isparta angle. Previously reported clockwise rotations in the volcanic fields near Afyon may be the result of distributed N–S shortening east of the pivot point. The precise accommodation of this shortening history remains open for investigation. Late Oligocene to early Miocene extension in the eastern part of the Aegean back arc was NE–SW oriented and likely bounded by a discrete transform. This transform may be associated with an early evolution of the eastern Aegean subduction transform edge propagator fault. Oroclinal bending in the west Anatolian region is likely related to a reconnection of the eastern part of the Aegean orocline with the African northward moving plate in tandem with roll back in the Aegean back arc, comparable to a recently postulated scenario for western Greece.

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Section: Samplingmentioning

confidence: 82%

Exhumation with a twist: Paleomagnetic constraints on the evolution of the Menderes metamorphic core complex, western Turkey

et al. 2010

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“…The oldest ones were formed in the east in the Menderes Massif (Catlos et al, 2010) and the eastern Cyclades (Ikaria, Laurent et al, 2015;Beaudoin et al, 2015) and the youngest ones further west in Serifos and Lavrion (Liati et al, 2009;Berger et al 2013). This migration is likely due to the slab tear event that permitted the clockwise rotation of the Hellenides in the Middle Miocene .…”

Section: Implications For the Interactions Between Intrusions Fluidsmentioning

confidence: 99%

Synkinematic skarns and fluid drainage along detachments: The West Cycladic Detachment System on Serifos Island (Cyclades, Greece) and its related mineralization

et al. 2017

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“…Then, a few intrusions developed below the Alaşehir detachment in the central Menderes massif, such as the ~15 Ma Salihli pluton (U-Pb crystallization ages on zircon), although these ages could be affected by dissolution-precipitation reactions [Glodny and Hetzel, 2007;Catlos et al, 2010]. In M A N U S C R I P T…”

Section: The West Anatolian-aegean Magmatic Provincementioning

confidence: 99%

Kinematic reconstructions and magmatic evolution illuminating crustal and mantle dynamics of the eastern Mediterranean region since the late Cretaceous

2016

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Geochemistry, geochronology, and cathodoluminescence imagery of the Salihli and Turgutlu granites (central Menderes Massif, western Turkey): Implications for Aegean tectonics

Cited by 44 publications

References 91 publications

Exhumation with a twist: Paleomagnetic constraints on the evolution of the Menderes metamorphic core complex, western Turkey

Exhumation with a twist: Paleomagnetic constraints on the evolution of the Menderes metamorphic core complex, western Turkey

Synkinematic skarns and fluid drainage along detachments: The West Cycladic Detachment System on Serifos Island (Cyclades, Greece) and its related mineralization

Kinematic reconstructions and magmatic evolution illuminating crustal and mantle dynamics of the eastern Mediterranean region since the late Cretaceous

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