Please use this identifier to cite or link to this item: http://hdl.handle.net/2122/2357
AuthorsGoncuoglu, M. C. 
TitleUpper Permian (Changxingian) Radiolarian Cherts within the Clastic Successions of the "Karakaya Complex" in NW Anatolia
Issue Date2004
Series/Report no.13
URIhttp://hdl.handle.net/2122/2357
KeywordsChangxingian radiolaria
Subject Classification04. Solid Earth::04.04. Geology::04.04.05. Mineralogy and petrology 
AbstractThe arkosic sandstones with olistostromes within the "Karakaya Complex" in NW Anatolia to the south of Geyve include a thin layer of green chert with radiolaria. Based on the composition of Albaillellids, the radiolarian assemblage corresponds to the Neoalbaillella ornithoformisassemblage, and its age is assigned to the Changxingian (Late Permian). This is the first finding of synsedimentary radiolarian cherts within the Karakaya units and the indication of latest Permian rifting of the Karakaya basin within the Midian carbonate platform and its pre-Permian basement in the Sakarya Composite Terrane.
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