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Late Palaeozoic–Early Cenozoic tectonic development of Southern Turkey and the easternmost Mediterranean region: evidence from the inter-relations of continental and oceanic units

By
Alastair H. F. Robertson
Alastair H. F. Robertson
1
School of GeoSciences, University of Edinburgh, West Mains Road, Edinburgh EH9 3JW, UK
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Osman Parlak
Osman Parlak
2
Jeoloji Mühendisliği Bölümü, Çukurova Üniversitesi, 01330-Balcalı, Adana, Turkey
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Timur Ustaömer
Timur Ustaömer
3
Jeoloji Mühendisliği Bölümü, İstanbul Üniversitesi, 34310-Avcılar, İstanbul, Turkey
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Published:
January 01, 2013

Abstract

Reconstructions of the Anatolian continent and adjacent areas assume the existence of one or more continental fragments during Mesozoic–Early Cenozoic time. These rifted from North Africa (Gondwana) during the Triassic, drifted across the Mesozoic Tethys and collided with Eurasia during latest Cretaceous–Paleocene time. Current reconstructions range from a regional-scale Tauride–Anatolide continent with oceanic basins to the north and south, to numerous rifted continental fragments separated by small oceanic basins. Field-based evidence for the inter-relations of the continental blocks and associated carbonate platforms is discussed and evaluated here, especially to distinguish between sutured oceans and intra-continental convergence zones. Several crustal units are restored as different parts of one large Tauride–Anatolide continent, whereas several smaller crustal units (e.g. Kırşehir massif; Bitlis/Pütürge and Alanya/Kyrenia units) are interpreted as continental fragments bordered by oceanic crust. We infer a relatively wide İzmir–Ankara–Erzincan ocean in the north and also a wide South Neotethyan ocean in the south. Several smaller oceanic strands (e.g. Inner Tauride ocean, Berit ocean and Alanya ocean) were separated by continental fragments. Our proposed reconstructions are shown on palaeotectonic maps for Late Permian to Mid-Miocene. The reconstructions have interesting implications for crustal processes, including ophiolite genesis and emplacement.

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Geological Society, London, Special Publications

Geological Development of Anatolia and the Easternmost Mediterranean Region

A. H. F. Robertson
A. H. F. Robertson
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O. Parlak
O. Parlak
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U. C. Ünlügenç
U. C. Ünlügenç
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Geological Society of London
Volume
372
ISBN electronic:
9781862396357
Publication date:
January 01, 2013

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