Late Miocene–Recent evolution of the Finike Basin and its linkages with the Beydağlari complex and the Anaximander Mountains, eastern Mediterranean

Aksu, A.E.; Hall, Jérémy; Yaltırak, Cenk; Çınar, Ezgi; KÜÇÜK, Mustafa; Çifçi, Günay

doi:10.1016/j.tecto.2014.04.042

Cited by 21 publications

(10 citation statements)

References 39 publications

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“…By contrast, in those places where uplift is dominant (excluding Karpathos), coastlines lie much closer to the offshore bathymetric escarpments (the Matapan Trench, the Hellenic Trench and the Rhodes escarpment), and therefore overlap more with the region of greatest shortening and fastest uplift (Figure 12). (Woodside et al, 2000;Hall et al, 2009;Aksu et al, 2014). This subsidence could plausibly have been related to extension similar to that now observed in SW Turkey, but the presence of active reverse faults in the Anaximander Mountains ( Figure 5) suggests that they are now being shortened and uplifted, implying a reversal of vertical motions at some point since they were formed.…”

Section: Vertical Motions In the Se Hellenic Subduction Zonementioning

confidence: 59%

“…If they were on the interface, their N-S slip vectors would be oblique to the GPS convergence to convergence between Nubia and SW Turkey. However, their submergence from initially shallow-marine depths, which may have occurred since the Messinian (Hall et al, 2009;Aksu et al, 2014), may be related to earlier subsidence like that presently observed onshore in SW Turkey, which is probably partly due to crustal extension but may also be related to the generation of topography by mantle convection (as we will discuss later). We now describe the evidence for this onshore extension and subsidence.…”

Section: Previous Workmentioning

confidence: 83%

“…Based on these interpretations and in the absence of seismicity data, reflectionseismic studies in the eastern Mediterranean have generally assumed that deformation at the Florence Rise is dominated by either transform or transpressional motion (e.g. Aksu et al, 2014;Hall et al, 2014a,b).…”

Section: Previous Workmentioning

confidence: 99%

“…Geomorphological indicators such as drowned valleys, a sinuous coastline, a scarcity of beaches ( Figure 8) and the presence of tilted deltaic sequences in offshore sediments all suggest subsidence of the coast of Turkey between 28 • E and 31 • E during the late Quaternary (Figure 8; e.g. Flemming, 1978;Hall et al, 2009;Anzidei et al, 2011;Kızıldag et al, 2012;Özdaş and Kızıldag, 2013;Yildiz et al, 2013;Aksu et al, 2014;Tur et al, 2015).…”

Section: Geomorphological and Archaeological Evidence Of Subsidence Imentioning

confidence: 99%

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Subduction and vertical coastal motions in the eastern Mediterranean

Howell¹,

Jackson²,

Copley³

et al. 2017

Geophysical Journal International

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S U M M A R YConvergence in the eastern Mediterranean of oceanic Nubia with Anatolia and the Aegean is complex and poorly understood. Large volumes of sediment obscure the shallow structure of the subduction zone, and since much of the convergence is accommodated aseismically, there are limited earthquake data to constrain its kinematics. We present new source models for recent earthquakes, combining these with field observations, published GPS velocities and reflection-seismic data to investigate faulting in three areas: the Florence Rise, SW Turkey and the Pliny and Strabo Trenches. The depths and locations of earthquakes reveal the geometry of the subducting Nubian plate NE of the Florence Rise, a bathymetric high that is probably formed by deformation of sediment at the surface projection of the Anatolia-Nubia subduction interface. In SW Turkey, the presence of a strike-slip shear zone has often been inferred despite an absence of strike-slip earthquakes. We show that the GPS-derived strain-rate field is consistent with extension on the orthogonal systems of normal faults observed in the region and that strike-slip faulting is not required to explain observed GPS velocities. Further SW, the Pliny and Strabo Trenches are also often interpreted as strike-slip shear zones, but almost all nearby earthquakes have either reverse-faulting or normal-faulting focal mechanisms. Oblique convergence across the trenches may be accommodated either by a partitioned system of strike-slip and reverse faults or by oblique slip on the Aegean-Nubia subduction interface. The observed late-Quaternary vertical motions of coastlines close to the subduction zone are influenced by the interplay between: (1) thickening of the material overriding the subduction interface associated with convergence, which promotes coastal uplift; and (2) subsidence due to extension and associated crustal thinning. Long-wavelength gravity data suggest that some of the observed topographic contrasts in the eastern Mediterranean are supported by mantle convection. However, whether the convection is time dependent and whether its pattern moves relative to Nubia are uncertain, and its contribution to present-day rates of vertical coastal motions is therefore hard to constrain. The observed extension of the overriding material in the subduction system is probably partly related to buoyancy forces arising from topographic contrasts between the Aegean, Anatolia and the Mediterranean seafloor, but the reasons for regional variations are less clear.

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Section: Vertical Motions In the Se Hellenic Subduction Zonementioning

confidence: 59%

Section: Previous Workmentioning

confidence: 83%

Section: Previous Workmentioning

confidence: 99%

Section: Geomorphological and Archaeological Evidence Of Subsidence Imentioning

confidence: 99%

See 2 more Smart Citations

Subduction and vertical coastal motions in the eastern Mediterranean

Howell¹,

Jackson²,

Copley³

et al. 2017

Geophysical Journal International

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show abstract

“…Further to the SE a series of bathymetric highs, the Anaximander Mountains, probably form by active reverse faulting (Aksu et al , 2014. Reflection seismic data show numerous small folds and faults on the eastern side of the Rhodes Basin and in the Anaximander Mountains (ten Veen et al 2004;Aksu et al 2009;Hall et al 2009).…”

Section: T E C T O N I C S E T T I N G O F R H O D E Smentioning

confidence: 99%

Late Holocene uplift of Rhodes, Greece: evidence for a large tsunamigenic earthquake and the implications for the tectonics of the eastern Hellenic Trench System

Howell¹,

Jackson²,

England

et al. 2015

Geophys. J. Int.

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S U M M A R YSeveral large earthquakes in the Hellenic subduction zone have been documented in historical records from around the eastern Mediterranean, but the relative seismic quiescence of the region over the period of instrumental observation means that the exact locations of these earthquakes and their tectonic significance are not known. We present AMS radiocarbon dates from uplifted late Holocene palaeoshorelines from the island of Rhodes, showing that uplift is most consistent with a single large (M W ≥ 7.7) reverse-faulting earthquake between about 2000 BC and 200 BC. Analysis of the uplift treating the earthquake as a dislocation in an elastic half-space shows a predominantly reverse-faulting event with a slip vector oblique to the direction of convergence between Rhodes and Nubia. We suggest that the fault responsible for the uplift dips at an angle of 30-60• above the more gently dipping oblique subduction interface. The highly oblique convergence across the eastern Hellenic plate boundary zone appears to be partitioned into reverse slip on faults that strike parallel to the boundary and strike-parallel or oblique slip on the subduction interface. Hydrodynamical simulation of tsunami propagation from a range of tectonically plausible sources suggests that earthquakes on the fault uplifting Rhodes represent a significant tsunami hazard for Rhodes and SW Turkey, and also possibly for Cyprus and the Nile Delta.

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On the geoarchaeology of Limyra (SW Anatolia)—new insights into the famous Lycian city and its environs

et al. 2020

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Geoarchives in ancient settlement sites and their environs bear valuable information about Holocene landscape evolution and human–environment interactions. During the last six millennia, sea‐level and coastline changes have had a significant impact on coastal settlements, some of which even had to be relocated. This paper reveals new insights into the spatio‐temporal development of the Lycian city of Limyra. Selected sediment cores were analyzed using a multiproxy approach, combining sedimentology, geochemistry, micropaleontology, and 14C dating. When the postglacial sea‐level rise decelerated, a coastal barrier and a deep lake, presumably a lagoon, evolved after the mid‐Holocene. The siltation history of the lake is complex: three coastal peat layers (mid‐4th millennium BC, end of 3rd/beginning of 2nd millennium BC, beginning of 1st millennium BC), indicate periods of semiterrestrial conditions. That they are sandwiched by lake sediments is consistent with new expansion phases of the lake, most likely triggered by coseismic subsidence. There is evidence of a former lakeshore, dated to between 1400 and 1100 BC, with an intentionally deposited layer of anthropogenic remains, now at 5.5 m below the surface. In the mid‐1st millennium BC, the lake silted up, river channels evolved, and people started to settle the area of the later city of Limyra.

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Late Miocene–Recent evolution of the Finike Basin and its linkages with the Beydağlari complex and the Anaximander Mountains, eastern Mediterranean

Cited by 21 publications

References 39 publications

Subduction and vertical coastal motions in the eastern Mediterranean

Subduction and vertical coastal motions in the eastern Mediterranean

Late Holocene uplift of Rhodes, Greece: evidence for a large tsunamigenic earthquake and the implications for the tectonics of the eastern Hellenic Trench System

On the geoarchaeology of Limyra (SW Anatolia)—new insights into the famous Lycian city and its environs

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