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      The closure of the Vardar ocean (the western domain of the northern Neotethys) from early Middle Jurassic to Paleocene time, based on surface geology of eastern Pelagonia and the Vardar zone, biostratigraphy, and seismic-tomographic images of the mantle below the Central Hellenides

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            Abstract

            Seismic tomographic images of the mantle below the Hellenides indicate that the Vardar ocean probably had a composite width of over 3000 kilometres. From surface geology we know that this ocean was initially located between two passive margins: Pelagonian Adria in the west and Serbo-Macedonian-Eurasia in the east. Pelagonia was covered by a carbonate platform that accumulated, during Late Triassic to Early Cretaceous time, where highly diversified carbonate sedimentary environments evolved and reacted to the adjacent, converging Vardar ocean plate. We conceive that on the east side of the Vardar ocean, a Cretaceous carbonate platform evolved from Aptian to Maastrichtian time in the forearc basin of the Vardar supra-subduction volcanic arc complex.

            The closure of the Vardar ocean occurred in one episode of ophiolite obduction and in two episodes of intra-oceanic subduction.

            Content

            Author and article information

            Journal
            UCL Open: Environment Preprint
            UCL Press
            27 April 2021
            Affiliations
            [1 ] Geologische Staatssammlung of the Bayerische Staatssammlung für Palaeontologie und Geologie, Germany
            [2 ] Professorial Research Fellow, Office of the Vice-Provost (Research), University College London, UK
            Article
            10.14324/111.444/000078.v1
            a904213d-7f60-46d5-a6b1-6180e9cfc2cc

            This is an open access article distributed under the terms of the Creative Commons Attribution License (CC BY) 4.0 https://creativecommons.org/licenses/by/4.0/, which permits unrestricted use, distribution and reproduction in any medium, provided the original author and source are credited.

            Funding
            N/A N/A

            The datasets generated during and/or analysed during the current study are available from the corresponding author on reasonable request.

            Earth & Environmental sciences, Geosciences

            Vardar, tomographic images, ocean lithosphere, ophiolite, Pelagonia, carbonate platforms, tectono-stratigraphy, The Environment, subduction and obduction, Climate, biostratigraphy, Built environment, Adria

            Comments

            Date: 07 July 2021

            Handling Editor: Prof Dan Osborn

            Editorial decision: Request revision. The Handling Editor requested revisions; the article has been returned to the authors to make this revision.

            2021-07-07 16:04 UTC
            +1

            Date: 28 April 2021

            Handling Editor: Prof Dan Osborn

            This article is a preprint article and has not been peer-reviewed. It is under consideration following submission to UCL Open: Environment for open peer review.

            2021-04-29 15:17 UTC
            +1

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