Autochthonous Upper Permian (Midian) carbonates in the western Sakarya composite terrane, Geyve area, Turkey: Preliminary data

Date

2004-05-01

Author

Turhan, N
Okuyucu, C
Göncüoğlu, Mehmet Cemal

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Permian limestones occur widely within the clastic units of the "Karakaya Complex" and are interpreted as allochthonous bodies or olistoliths. In the Kadirler area to the south of Geyve, however, Upper Permian (Midian) quartz sandstones and carbonates with a rich foraminifer fauna disconformably overlie a crystalline basement complex. This basement complex comprises metaclastic rocks, recrystallised limestones, metacherts, and metadiabases, and is intruded by granodiorites. The overlying basal conglomerates and quartzitic sandstones are dominated by pebbles from the basement complex and are followed upward by medium- to thick-bedded dolomites, dolomitic limestones and limestones.

Subject Keywords

Karakaya complex, Basement, Autochthon, Limestone, Upper permian

URI

https://hdl.handle.net/11511/54752

Collections

Graduate School of Natural and Applied Sciences, Article