Did the Kyrenia Range of northern Cyprus rotate with the Troodos–Hatay microplate during the tectonic evolution of the eastern Mediterranean?

Morris, Antony; Robertson, Alastair H. F.; Anderson, Mark; Hodgson, Emma

doi:10.1007/s00531-015-1208-9

Cited by 4 publications

(1 citation statement)

References 52 publications

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“…The Kyrenia Range is interpreted as part of the northern active continental margin of the Southern Neotethys (Robertson and Woodcock, 1986;Robertson et al, 2012) that was juxtaposed with the Troodos Massif, possibly by the late Eocene and certainly by the late Miocene (Robertson et al, 2012(Robertson et al, , 2014. The Kyrenia Range escaped the major anticlockwise tectonic rotation of the Troodos Massif (Morris et al, 2015), and effectively forms the southern limit of Tauride continental crust (Fig. 1a).…”

Section: Kyrenia Rangementioning

confidence: 99%

Provenance and magmatic-tectonic setting of Campanian-aged volcaniclastic sandstones of the Kannaviou Formation in western Cyprus: Evidence for a South-Neotethyan continental margin volcanic arc

Chen

Robertson

2019

Sedimentary Geology

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Regionally developed late Cretaceous subduction-related magmatism in the eastern Mediterranean records progressive closure of the Southern Neotethys. In western Cyprus the late Cretaceous (c. 90 Ma) Troodos ophiolite is depositionally overlain by volcaniclastic sandstones (up to 750 m thick) that are dominated by redeposited pyroclastic fallout, interbedded with both noncalcareous and calcareous radiolarian-bearing mudstones. The sands were mainly deposited by channelised mass flow processes and to a lesser extent by turbidity currents in a deep-water forearc basin. The succession was folded and locally thrust-deformed related to latest Cretaceous emplacement of adjacent Mesozoic continental margin and oceanic units (Mamonia Complex). SIMS U-Pb analysis of euhedral to subhedral magmatic zircon crystals yielded a weighted mean 206 Pb/ 238 U age of 80.1±1.1 Ma (Campanian). Sandstone petrography including compositional framework (Q12F21L67) suggests sediment supply from a volcanic arc. Subordinate continentally derived detritus suggests 2 a continental margin arc setting for the mafic to felsic fallout ash. SIMS analysis of little-altered volcanic glass indicates high Th/Nb and Th/La ratios that suggest the involvement of continental crust and/or subducted terrigenous sediments in magma genesis. Whole-rock chondrite-normalised REE patterns have comparable trends to modern and ancient forearc basin volcaniclastic sands and sandstones (e.g., northwest Pacific region). Trace element chemistry, although scattered towards the continental island arc fields on some geochemical diagrams (e.g., Th-Sc-Zr), mainly suggests an oceanic island arc source for the Kannaviou Formation sandstones, with variable enrichments in VCr -Ni-Sc, depletion in Nb-Ta, and relatively low trace element ratios (e.g., La/Co, Th/Co, La/Sc, Th/Sc). An explanation for this apparent discrepancy is that the volcaniclastic sandstones were derived from a relatively primitive arc constructed on previously depleted, rifted (thinned) Neotethyan continental crust. The inferred continental margin arc developed during early-stage northward subduction of Southern Neotethys beneath a Tauride microcontinent to the north. Large volumes of volcanic ash were derived from continental margin arc volcanism, probably in the vicinity of the Kyrenia Range in northern Cyprus.

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Section: Kyrenia Rangementioning

confidence: 99%

Provenance and magmatic-tectonic setting of Campanian-aged volcaniclastic sandstones of the Kannaviou Formation in western Cyprus: Evidence for a South-Neotethyan continental margin volcanic arc

Chen

Robertson

2019

Sedimentary Geology

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Structural development of the central Kyrenia Range (north Cyprus) in its regional setting in the eastern Mediterranean region

Robertson

Kinnaird

2015

Int J Earth Sci (Geol Rundsch)

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Orogenic architecture of the Mediterranean region and kinematic reconstruction of its tectonic evolution since the Triassic

et al. 2020

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Did the Kyrenia Range of northern Cyprus rotate with the Troodos–Hatay microplate during the tectonic evolution of the eastern Mediterranean?

Abstract: Did the Kyrenia Range of northern Cyprus rotate with the Troodos-Hatay microplate during the tectonic evolution of the eastern Mediterranean? Morris, A

Cited by 4 publications

References 52 publications

Provenance and magmatic-tectonic setting of Campanian-aged volcaniclastic sandstones of the Kannaviou Formation in western Cyprus: Evidence for a South-Neotethyan continental margin volcanic arc

Provenance and magmatic-tectonic setting of Campanian-aged volcaniclastic sandstones of the Kannaviou Formation in western Cyprus: Evidence for a South-Neotethyan continental margin volcanic arc

Structural development of the central Kyrenia Range (north Cyprus) in its regional setting in the eastern Mediterranean region

Orogenic architecture of the Mediterranean region and kinematic reconstruction of its tectonic evolution since the Triassic

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