Cyclic sedimentation across the Permian-Triassic boundary (Central Taurides, Turkey)

Date

2003-06-01

Author

Unal, E
Altıner, Demir
Yılmaz, İsmail Ömer
Ozkan-Altiner, S

Metadata

Show full item record

This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Item Usage Stats

186
views

0
downloads

The best preserved Permian - Triassic boundary beds in Turkey are found in the Hadim region of the central Taurides. The succession is exposed in one of the allochthonous units of the Tauride Belt, the Aladag Unit, whose stratigraphy includes beds ranging from the Devonian to the Cretaceous systems. In the Aladag Unit, the Permian - Triassic boundary beds are entirely composed of carbonates. The Permian portion of these beds belongs to the Paradagmarita Zone, whereas the lowermost Triassic contains the Lower Griesbachian marker Rectocornuspira kalhori. The uppermost Permian carbonates, composed of meter-scale upward shallowing subtidal cycles, are characterized by oolitic limestones of regressive character at the top and are overlain sharply by Lower Triassic stromatolites. Cyclic Upper Permian carbonates are interpreted as highstand systems tract deposits of the last third-order sequence of the Permian System. The Permian - Triassic boundary is an unconformity corresponding to both erosional and non-depositional hiatuses. The gap at the Permian - Triassic boundary partially corresponds to the shelf-margin systems tract and partly to the transgressive systems tract of the overlying third-order sequence. Stromatolites are interpreted as transgressive systems tract deposits.

Subject Keywords

Meter-scale cyclicity, Permian-Triassic boundary, Foraminifera, Microfacies, Hiatus, Highstand systems tract, Transgressive systems tract

URI

https://hdl.handle.net/11511/55796

Journal

RIVISTA ITALIANA DI PALEONTOLOGIA E STRATIGRAFIA

Collections

Unverified, Article

Suggestions

OpenMETU
Core

Cyclic sedimentation across the Permian Triassic boundary Central Taurides Turkey Emre, Unal; Altıner, Sevinç; Yılmaz, İsmail Ömer; Altıner, Demir (2003-01-01) The best preserved Permian - Triassic boundary beds in Turkey are found in the Hadim region of the central Taurides. The succession is exposed in one of the allochthonous units of the Tauride Belt, the Aladag Unit, whose stratigraphy includes beds ranging from the Devonian to the Cretaceous systems. In the Aladag Unit, the Permian - Triassic boundary beds are entirely composed of carbonates. The Permian portion of these beds belongs to the Paradagmarita Zone, whereas the lowermost Triassic contains the Lowe...
Cyclic Carbonate Facies Changes on the Middle to Upper Cenomanian Arabian Carbonate Platform, SE Turkey: An Approach for the Causes of Short- and Long-Term Sea-Level Change Yılmaz, İsmail Ömer; Mülayim, Oğuz; Sarı, Bilal; Simmons, Mike (2017-08-26) The studied Cenomanian shallow water platform carbonates of the Derdere Formation lies on the northern Arabian platform in Mardin area, SE Turkey. The sedimentology and cyclic nature of the facies along the studied composite sections have been analysed in terms of cyclostratigraphy. In the lower section, alternations of benthic foraminiferal-algal packstone/wackestone and bioturbated bioclastic wackstone/lime mudstone take place at the base of small scale cycles. Alternations of bivalve/ostracod wackestone/...
Geological setting and geochemical signatures of the mafic rocks from the Intra-Pontide Suture Zone: implications for the geodynamic reconstruction of the Mesozoic Neotethys Sayıt, Kaan; Göncüoğlu, Mehmet Cemal; Ellero, Alessandro; Ottria, Giuseppe; Frassi, Chiara (2016-01-01) A number of suture zones exist in Turkey, which is believed to represent the closure of Paleo and NeoTethyan oceanic basins. Regarding the development of the latter oceanic entity, namely Neotethys, the geodynamic evolution of the Intra-Pontide branch, the northernmost one of a number of oceanic basins remains enigmatic. The Intra-Pontide Suture Zone in Northwest Turkey includes several tectonic units most of which are characterized by the occurrence of mafic rocks with distinct geochemical signatures. In t...
Geological evolution of the Central Pontides Okay, Aral; Altıner, Demir; Sunal, Gursel; Aygul, Mesut; Akdogan, Remziye; Altıner, Sevinç; Simmons, Mike (2015-10-07) Before the Late Cretaceous opening of the Black Sea, the Central Pontides constituted part of the southern margin of Laurasia. Two features that distinguish the Central Pontides from the neighbouring Pontide regions are the presence of an extensive Lower Cretaceous submarine turbidite fan (the Cag.layan Formation) in the north, and a huge area of Jurassic-Cretaceous subduction-accretion complexes in the south. The Central Pontides comprise two terranes, the Istanbul Zone in the west and the Sakarya Zone in...
Rapid cooling history of a Neotethyan ophiolite: Evidence for contemporaneous subduction initiation and metamorphic sole formation PARLAK, OSMAN; Dunkl, Istvan; KARAOĞLAN, FATİH; Kusky, Timothy M.; Zhang, Chao; Wang, Lu; Koepke, Juergen; Billor, Zeki; Hames, Willis E.; ŞİMŞEK, EMRAH; Simsek, Gokce; ŞİMŞEK, TUĞÇE; Ozturk, Selena Ezgi (Geological Society of America, 2019-11-01) The Beywhir-Hoyran Nappes, including Mesozoic carbonate platform rocks, deepsea sediments, and ophiolite-related units, crop out extensively on the western limb of the Isparta Angle in the Central Taurides, Turkey. The ophiolite-related rocks are represented by variably serpentinized harzburgitic mantle tectonites, tectonically underlain by a subophiolitic metamorphic sole and melange. The harzburgitic mantle tectonites and metamorphic sole are intruded by undeformed isolated dikes. Protoliths of the metamo...

Citation Formats

E. Unal, D. Altıner, İ. Ö. Yılmaz, and S. Ozkan-Altiner, “Cyclic sedimentation across the Permian-Triassic boundary (Central Taurides, Turkey),” RIVISTA ITALIANA DI PALEONTOLOGIA E STRATIGRAFIA, pp. 359–376, 2003, Accessed: 00, 2020. [Online]. Available: https://hdl.handle.net/11511/55796.