The Hecataeus Rise, easternmost Mediterranean: A structural record of Miocene-Quaternary convergence and incipient continent-continent-collision at the African-Anatolian plate boundary

Reiche, Sönke; Hübscher, Christian

doi:10.1016/j.marpetgeo.2015.04.021

Cited by 12 publications

(4 citation statements)

References 62 publications

(140 reference statements)

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“…This structure represents a Late Cretaceous spreading axis that has been uplifted and is characterized by high‐density material typical of the oceanic crust. In order to build this new layer, we used information retrieved from Reiche and Hübscher (2015). Moreover, we fixed (i.e.…”

Section: Resultsmentioning

confidence: 99%

Gravity for Lithosphere Architecture Determination and Analysis: the Central Eastern Mediterranean case study

Sampietro¹,

Capponi²

2021

Geophysical Prospecting

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The Central-Eastern Mediterranean region is known to be a complex area due to the interaction of four tectonic plates, namely Arabia, Africa, Anatolia and Eurasia, and by the presence of an ancient oceanic crust in the Herodotus and Ionian Basins. The analysis of the available literature highlights that the distribution of the freely available geophysical data (i.e. seismic, gravity and magnetic observations) is quite disparate. In this framework, high-resolution global gravity field models, such as XGM2019e, mainly based (offshore) on satellite data, can be profitably used as a uniform dataset to study, in a coherent way, large regions.In the current work, we exploit the XGM2019e model, together with a set of a priori information, derived mainly from geophysical data retrieved from the literature, to study the structure of the crust in the Central-Eastern Mediterranean area. The study is organized in three different phases: in the first one, we enhanced the map of geological crustal provinces by means of an automatic Bayesian classification algorithm applied to the second radial derivatives of the gravitational potential. In the second phase, using as observation a grid of gravity anomalies, we applied a full three-dimensional inversion procedure (always based on a Bayesian paradigm) to estimate the mass density variations and the geometries of the main geological units in the whole study area. Finally, in the third phase, we performed a refined three-dimensional local inversion on the Cyprus area to improve the modelling of the shallowest layers. The main results of this study, carried out in the framework of the European Space Agency GIADA project, are freely available, upon request, at https://www.g-red.eu/geophysics/.

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Section: Resultsmentioning

confidence: 99%

Gravity for Lithosphere Architecture Determination and Analysis: the Central Eastern Mediterranean case study

Sampietro¹,

Capponi²

2021

Geophysical Prospecting

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“…On the bathymetry map the geometry is indicative of salt advancement and salt flow, evidenced by the southward verging lobes (Figure ) (e.g., Sigsbee escarpment; Hudec & Jackson, ). The salt is perceived as allochthonous as it rests on top of Pliocene sediments (Reiche & Hubsher, ). Similarly, the normal fault just below the salt that is illustrated with the dashed line in Figure could be an inherited structure or it could be related to a pull‐up effect as explained above.…”

Section: Resultsmentioning

confidence: 99%

Longitudinal and Temporal Evolution of the Tectonic Style Along the Cyprus Arc System, Assessed Through 2‐D Reflection Seismic Interpretation

et al. 2018

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The Cyprus Arc system constitutes a major active plate boundary in the eastern Mediterranean region. This structure is directly linked with the northward convergence of the African and Eurasian plates since the Late Cretaceous. Two‐dimensional reflection seismic data were utilized, which image the main plate structures and their lateral evolution south of the island of Cyprus. Interpretation of these data allowed the identification of nine tectono‐sedimentary packages in three different crustal domains south of the Cyprus Arc system: (1) the Levant Basin (attenuated continental crust), (2) the Eratosthenes microcontinent (continental crust), and (3) the Herodotus Basin (oceanic crust). Within these domains, numerous tectonic structures were documented and analyzed in order to understand the mechanism and timing of deformation. In the north, south verging thrusting commenced in early Miocene along the Larnaca and Margat ridges, whereas no activity was identified before middle Miocene along the Latakia Ridge. Thus, the deformation front migrated southward and was accompanied by the development of flexural basins and stratigraphic onlaps as in the Cyprus Basin. The acme of deformation occurred in mid‐late Miocene. A regional unconformity of Pliocene age marks the end of the first deformation sequence. In Plio‐Pleistocene time, the westward escape of the Anatolian microplate resulted in the reactivation of existing structures. The evolution of deformation along the plate boundary is identified from the creation of positive flower structures revealing transpressive movements along the Larnaca and Latakia Ridges (eastern domains), whereas in the Eratosthenes domain a flexural basin highlights a compressive regime.

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“…C) Conceptual cross-section across Anatolia (approximately to scale), extending southward over Cyprus and the Cyprus Trench. Geology of Cyprus, based on seismic sections of the Cyprus Trench from Reiche and Hübscher (2015); Symeou et al (2018); a geological map of south Cyprus by Bagnall (1960); and the cross-section of the Kyrenia range from . Gurer et al, 2018a) and restoration of motion on major fault zones (Lefebvre et al, 2013;Gülyüz et al, 2013;Espurt et al, 2014;Advokaat et al, 2014;Gürer et al, 2016).…”

Section: Upper Plate Shortening In the Kırs ¸Ehir Blockmentioning

confidence: 99%

Preparing the ground for plateau growth: Late Neogene Central Anatolian uplift in the context of orogenic and geodynamic evolution since the Cretaceous

2022

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The Hecataeus Rise, easternmost Mediterranean: A structural record of Miocene-Quaternary convergence and incipient continent-continent-collision at the African-Anatolian plate boundary

Cited by 12 publications

References 62 publications

Gravity for Lithosphere Architecture Determination and Analysis: the Central Eastern Mediterranean case study

Gravity for Lithosphere Architecture Determination and Analysis: the Central Eastern Mediterranean case study

Longitudinal and Temporal Evolution of the Tectonic Style Along the Cyprus Arc System, Assessed Through 2‐D Reflection Seismic Interpretation

Preparing the ground for plateau growth: Late Neogene Central Anatolian uplift in the context of orogenic and geodynamic evolution since the Cretaceous

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