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Title: Chemical and Mineralogical Characteristics of the Microscopic-sized Epidotes in the Metamorphic Basement Rocks within the Late Cretaceous Hatip Ophiolitic Melange in Konya (Central Southern Turkey)
Authors: Koçak, Kerim
Kaya, Raziye Merve
Issue Date: 2019
Abstract: At the base of the Neotethyan ophiolitic melange, widespread epidote crystals formed in metamafic rocks of the metamorphic basement, which were experienced a regional metamorphism in green-schist facies conditions. The epidote crystals is subhedral to euhedral, with high Al2O3 (26-30 %) and low Fe2O3 (5–8%) contents. It is predominantly zoisite (Xcz = 0.46 to 0.72) and subordinate epidote (Xep =0.27-0.53) in composition, with typical compositional zoning due to variable substitution of Fe3+ and Al3+ on octahedral sites and sector-zoning. The epidote is suggested to have a possible igneous origin, and to be crystallised from a wet (H2O>5 wt %) magma under low fO2 and intermediate pressure conditions during initial stage crystallisation on the basis of its petrographical and mineralogical characteristics.
ISSN: 2149-2123
Appears in Collections:Mühendislik ve Doğa Bilimleri Fakültesi Koleksiyonu
TR Dizin İndeksli Yayınlar Koleksiyonu / TR Dizin Indexed Publications Collections

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