Testing rival tectonic uplift models for the Lechaion Gulf in the Gulf of Corinth rift

Turner, Jenni; Leeder, M. R.; Andrews, Julian E.; Rowe, Peter; Calsteren, Peter van; Thomas, Louise

doi:10.1144/0016-76492010-035

Cited by 32 publications

(49 citation statements)

References 57 publications

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“…The interaction of such deep-seated tectonic processes drives surface uplift in various parts of the easternmost Mediterranean and the adjacent region. For example, major surface uplift occurred during the Plio-Pleistocene in the Peloponnese and elsewhere in Greece (Roberts et al 2009;Turner et al 2010) and in the Taurus Mountains of southern Turkey .…”

mentioning

confidence: 99%

Quantitative dating of Pleistocene deposits of the Kyrenia Range, northern Cyprus: implications for timing, rates of uplift and driving mechanisms

Palamakumbura

Robertson

Kinnaird

et al. 2016

JGS

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The Kyrenia Range underwent tectonically driven uplift during the Pliocene to Pleistocene in response to the interaction of various tectonic processes. To understand the tectonic processes driving the uplift and how this is related to uplift of other areas of the Eastern Mediterranean, uranium-series disequilibrium and optically stimulated luminescence dating were applied to marine and non-marine terrace deposits exposed on the northern flank of the range. Palaeomagnetism and strontium isotope dating were used in conjunction to date the final stages of the marine environment adjacent to the Kyrenia Range prior to major surface uplift. Uplift rates range from >1.2 mm a −1 , inferred during the Early Pleistocene, to <0.2 mm a −1 during the Late Pleistocene. The new data show that the Kyrenia Range was uplifted contemporaneously with the Troodos Massif in southern Cyprus. The uplift of the Kyrenia Range appears to have been significantly faster than that affecting other comparable regions in the easternmost Mediterranean during the Pleistocene (e.g. Lebanon coast; southern Anatolian plateau). The driving mechanism for the uplift of both the Kyrenia Range and the Troodos Massif is inferred to be the collision of the Eratosthenes Seamount with the Cyprus trench to the south of Cyprus.Supplementary material: Details of the methods used are available at https://doi.org/10.6084/m9.figshare.c.3260977.

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confidence: 99%

Quantitative dating of Pleistocene deposits of the Kyrenia Range, northern Cyprus: implications for timing, rates of uplift and driving mechanisms

Palamakumbura

Robertson

Kinnaird

et al. 2016

JGS

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“…The Lower Loutraki fault separates the relatively flat Loutraki plain on the hangingwall and the topographic high of the Gerania Range on the footwall to the north. Based upon local topography we estimate that the minimum dip-slip displacement across the Lower Loutraki fault is greater than 600 m. A highly irregular and eroded Lower Loutraki fault scarp (Leeder et al, 2005) and limited displacement of Holocene fan breccia and colluvium (Turner et al, 2010), suggest a lack of Holocene activity along the Lower Loutraki fault.…”

Section: Geological Settingmentioning

confidence: 90%

“…Collier, 1990;Dia et al,1997;Roberts et al, 2009;Turner et al, 2010). The marls are either cohesive fine-grained (silt-clay) carbonates or less cohesive silty carbonates interbedded with sands.…”

Section: Geological Settingmentioning

confidence: 99%

“…The Quaternary marine and beach sediments are now at an elevation of 80 m above present day sea level such that with a minimum estimated uplift rate of 0.22 mm yr À1 (Turner et al, 2010) the maximum burial of these sediments is likely to be equivalent to the maximum thickness of the succession, 50 m. Some beds are slightly lithified due to localised cementation by iron oxide or micritic calcite (Fig. 4).…”

Section: Geological Settingmentioning

confidence: 99%

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Fault architecture and deformation processes within poorly lithified rift sediments, Central Greece

Loveless

Bense

Turner

2011

Journal of Structural Geology

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a b s t r a c tDeformation mechanisms and resultant fault architecture are primary controls on the permeability of faults in poorly lithified sediments. We characterise fault architecture using outcrop studies, hand samples, thin sections and grain-size data from a minor (1e10 m displacement) normal-fault array exposed within Gulf of Corinth rift sediments, Central Greece. These faults are dominated by mixed zones with poorly developed fault cores and damage zones. In poorly lithified sediment deformation is distributed across the mixed zone as beds are entrained and smeared. We find particulate flow aided by limited distributed cataclasis to be the primary deformation mechanism. Deformation may be localised in more competent sediments. Stratigraphic variations in sediment competency, and the subsequent alternating distributed and localised strain causes complexities within the mixed zone such as undeformed blocks or lenses of cohesive sediment, or asperities at the mixed zone/protolith boundary. Fault tip bifurcation and asperity removal are important processes in the evolution of these fault zones. Our results indicate that fault zone architecture and thus permeability is controlled by a range of factors including lithology, stratigraphy, cementation history and fault evolution, and that minor faults in poorly lithified sediment may significantly impact subsurface fluid flow.

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“…The Pleistocene samples collected from uplifted shorelines are assigned to MIS 5a/5c, MIS 5e and MIS 7 161 highstands on the basis of U-series dating of corals and/or stratigraphic associations (Dia et al, 1997;162 Leeder et al, 2003;Leeder et al, 2005;Turner et al, 2010). One of the two MIS 5e shells (L12) is from a 163 23 m palaeoshoreline on Makrugoaz Ridge, comprising coraliferous sands and serpulid reefs.…”

mentioning

confidence: 99%

Uranium-thorium dating potential of the marine bivalve Lithophaga lithophaga

Rowe

Turner

Andrews

et al. 2015

Quaternary Geochronology

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Poor chronological control hampers efforts to constrain uplift event frequency in the Eastern 14Mediterranean Basin and develop regional tectonic models. Borings of the colonial marine mollusc 15Lithophaga lithophaga are commonly associated with uplifted Mediterranean shorelines and the 16 suitability of its fossil shell for uranium-series dating is investigated to assess its potential for refining 17 uplift chronologies. Living specimens contain very little uranium but Holocene fossils suggest rapid post-18 mortem uptake from a marine source. However, in common with many other mollusc species, Pleistocene 19 samples show clear evidence of subsequent exchange with uranium from groundwater and although two 20 out of eight samples returned ages compatible with their stratigraphic locations, these may be chance 21 results given the compelling evidence for general open system behaviour. Detrital contamination appears 22 not to be a significant problem in pre-Holocene samples. Open system modelling, using techniques 23 developed to correct for alpha recoil effects in reef corals, shows that the recoil mechanism is inadequate 24 to explain the magnitude of the isotopic alterations observed. Our results show that whilst uranium-series 25 dating of Holocene L. lithophaga shells may be possible, Pleistocene specimens suffer from significant 26 geochemical alteration and cannot be used to refine crustal uplift chronologies over longer timescales. 27 28

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Testing rival tectonic uplift models for the Lechaion Gulf in the Gulf of Corinth rift

Cited by 32 publications

References 57 publications

Quantitative dating of Pleistocene deposits of the Kyrenia Range, northern Cyprus: implications for timing, rates of uplift and driving mechanisms

Quantitative dating of Pleistocene deposits of the Kyrenia Range, northern Cyprus: implications for timing, rates of uplift and driving mechanisms

Fault architecture and deformation processes within poorly lithified rift sediments, Central Greece

Uranium-thorium dating potential of the marine bivalve Lithophaga lithophaga

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