Geochemistry and tectonic signifi cance of the ophiolitic rocks of the Yarpuz-Kaypak (Amanoslar, Osmaniye) area
Journal Title: Bulletin of the Mineral Research and Exploration - Year 2019, Vol 159, Issue 159
Abstract
Yarpuz-Kaypak (Osmaniye) region, located in Amanos Mountains, contains harzburgitic tectonites and mafic cumulates. The tectonites are represented by serpantinized harzburgites, whereas the cumulates are characterized by gabbronorite and gabbro compositions. The crystallization order within the cumulates is clinopyroxene, orthopyroxene plagioclase and amphibole. The major element compositions of the tectonites and cumulate rocks are consistent with formation in an arc-related tectonic setting. Trace element concentrations of these rocks exhibit large ion litophile element enrichments. Both geochemical and petrographic evidence suggest that the tectonite and cumulate rocks from the Yarpuz-Kaypak (Osmaniye) region represent the remnants of an oceanic lithosphere that formed in a supra-subduction zone tectonic setting during the closure of the Southern Neotethyan ocean and emplaced onto the northern margin of the Arabian platform in Late Cretaceous.
Authors and Affiliations
Tamer RIZAOĞLU, Utku BAĞCI, Osman PARLAK
Keywords
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- EP ID EP647989
- DOI 10.19111/bulletinofmre.501393
- Views 103
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