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Geochemistry and tectonic environment of the Şarkışla area volcanic rocks in central Anatolia, Turkey

Published online by Cambridge University Press:  05 July 2018

E. Gökten  and
P. A. Floyd
E. Gökten
Affiliation:
Geological Engineering Department, Ankara University, Beşevler, Ankara, Turkey
P. A. Floyd
Affiliation:
Department of Geology, University of Keele, Staffordshire ST5 5BG, UK
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Abstract

The volcanic rocks of the Şarkışla area in northeastern central Anatolia are associated with volcaniclastics, turbiditic limestones and pelagic-hemipelagic shales of Upper Cretaceous-Palaeocene age. A preliminary geochemical study was undertaken to constrain local tectonic models, and due to the variable altered nature of the volcanics, determine the lithological composition and magma type. Chemically the volcanics are an andesite-dominated suite of calc-alkali lavas, probably developed adjacent to an active continental margin in a local (ensialic back-arc?) basinal area. The volcanic activity was probably related to a postulated magmatic arc just south of the area during the early Tertiary.

Keywords

volcanic rocksgeochemistrytectonicsAnatoliaTurkey
Type
Geochemistry
Information
Mineralogical Magazine , Volume 51 , Issue 362 , October 1987 , pp. 553 - 559
Copyright
Copyright © The Mineralogical Society of Great Britain and Ireland 1987

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