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Foraminiferal fauna of some Carboniferous–Permian blocks from the Mersin Mélange (Central Taurus, Southern Turkey): A correlation with carbonate successions in adjacent Tauride tectonic units
Date
2015-08-15
Author
Okuyucu, Cengiz
Tekin, Uğur Kağan
Bedi, Yavuz
Göncüoğlu, Mehmet Cemal
Sayıt, Kaan
Uzunçimen Keçeli, Seda
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The Mersin Complex from Southern Turkey is composed of two different tectonic units as; the Mersin Mélange, and the ophiolitic series with a metamorphic sole. The Mersin Mélange is composed of blocks of various origins with different stratigraphic ranges within a Late Cretaceous matrix. The foraminiferal contents of three limestone blocks of the Carboniferous and Permian age from the Mersin Mélange have been studied to evaluate their origin, to determine their total stratigraphic range and to correlate them with autochthonous successions in the adjacent Tauride units. The Keven Block, one of the well-exposed outcrops in the study area, is represented by a typical transgressive sequence of 12 m total thickness. Thirteen samples have been studied throughout the section for their fossil content. Some clasts from the basal part of the Keven Block include Nonpseudofusulina karapetovi and Pseudofusulinoides ex gr. postpusillus assemblage. Rugosofusulina stabilis, Grovesella staffelloides, Schubertella paramelonica, Spireitlina conspecta and Hemidiscus carnicus are the main constituents of the overlying part. The age of the clasts and overlying succession in the block is the Early Permian. The other block, Keven-1 block, is composed of a 2 m thick carbonate succession. One of the two samples taken from the upper part of the block is very productive for the foraminiferal fauna and comprises mainly Bashkirian (probably Early Bashkirian) fusulinid assemblage as Varistaffella ziganica and Plectostaffella varvariensis. The Cingeypinarı block is about 64 m in thickness and mainly composed of a carbonate-sandstone alternation with a carbonate-dominated basal part. The base and the mainly carbonaceous parts of the block include rich but poorly preserved fusulinid (Pseudofusulinoides? spp.) assemblage. The overlying units are rich in small foraminifera represented by Hemigordius permicus beitepicus, Nodosinelloides pinardae and Neohemigordius? sp. The determined fossil assemblage in this block indicates that its age is limited to the Early Permian. The Early Permian fossil assemblage of the studied blocks within the Mersin Mélange correlate with the coeval ones within the carbonate successions of the Aladağ Unit and its equivalents of the Tauride-Anatolide Platform or with those within the limestone blocks of the Karakaya Complex and the autochthonous cover of the Variscan basement of the Sakarya Composite Terrane in NW Turkey. Considering the faunal and floral assemblages, the source areas of the blocks may have been located relatively close to each other and were positioned on the same paleo-latitude. This may further suggest the presence of a common Early Permian carbonate platform on the Tauride and Sakarya terranes and the derivation of the limestone blocks in the Mersin Mélange from this platform. This study was funded by TUBITAK 112Y370.
URI
https://hdl.handle.net/11511/86900
https://kpfu.ru//staff_files/F102932714/2015__ICCP2015_ABSTRACT_VOLUME.pdf
Conference Name
XVIII International Congress on the Carboniferous and Permian, August 11–15 2015
Collections
Graduate School of Natural and Applied Sciences, Conference / Seminar
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The Mersin Ophiolitic Complex from the southern Turkey is an allochthonous body including two different units as the Mersin Mélange (MM) and the Mersin Ophiolite. The MM is a sedimentary mélange including blocks and tectonic slices of oceanic and continental origin, embedded in a Late Cretaceous matrix. Based on the previous studies, these blocks in the MM are mainly originated from the northern margin of the Tauride-Anatolide terrane facing to the Northern Branch of Neotethys (Izmir-Ankara Ocean) and inclu...
Foraminiferal biostratigraphy and sequence stratigraphy across the mid-Carboniferous boundary in the Central Taurides, Turkey
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The Aladag Unit is one of the main tectonic units in the Tauride Belt, located in southern Turkey. It includes a continuous Paleozoic carbonate sequence encompassing the mid-Carboniferous boundary, with outcrops being especially well exposed in the Hadim region. The boundary succession lithology is mainly composed of carbonates with intercalated quartz arenitic sandstone layers. Based on foraminifers, four biostratigraphic zones have been defined in the interval from the Upper Serpukhovian to the Lower Bash...
FORAMINIFERAL ASSEMBLAGES AND MICROFACIES ANALYSIS OF UPPER TRIASSIC VOLCANO-SEDIMENTARY SUCCESSIONS IN PALU REGION (ELAZIĞ, TURKEY)
Özdemir, Ayşe; Özdemir, Yavuz; Narin, Azad; Altıner, Sevinç; Oyan, Vural (2019-09-09)
This study focuses on the Upper Triassic recrystallized limestone units alternating with volcanic rocks at southeastern parts of the Elazığ village (eastern Turkey). The Upper Triassic successions are mainly consists of recrystallized limestones particularly rich in benthic foraminifera, megalodonts, and algae. Comprehensive microfacies analysis and faunal assemblages have been commenced throughout the studied sections. The micropaleontological analysis highlights foraminiferal assemblages, d...
Foraminiferal assemblages and microfacies analysis of Upper Triassic volcanosedimentary successions in Plau region (Elazığ, Turkey)
Özdemir, Ayşe; Özdemir, Yavuz; Narin, A; Altıner, Sevinç; Oyan, Vural (null; 2019-09-09)
This study focuses on the Upper Triassic recrystallized limestone units alternating with volcanic rocks at southeastern parts of the Elazığ village (eastern Turkey). The Upper Triassic successions are mainly consists of recrystallized limestones particularly rich in benthic foraminifera, megalodonts, and algae. Comprehensive microfacies analysis and faunal assemblages have been commenced throughout the studied sections. The micropaleontological analysis highlights foraminiferal assemblages, dominated by the...
Foraminifera, Radiolaria and Conodont assemblages from the Early Mississipian (late Tournaisian)/Early Pennsylvanian (early Bashkirian) blocks within the Mersin Melange, southern Turkey: Biochronological and paleogeographical implications
OKUYUCU, CENGİZ; TEKİN, UĞUR KAĞAN; Noble, Paula J.; Bedi, Yavuz; Saydam-Demiray, D. Gulnur; Sayıt, Kaan (2018-12-01)
The Mersin Melange, a sedimentary complex in southern Turkey, includes blocks of various origins within a Late Cretaceous matrix. Two blocks in the Mersin Melange are herein recognized to be of Carboniferous age. One block (the Kozan Block) is composed of alternating chert and mudstone, and includes radiolarian and conodont assemblages revealing a late Tournaisian (Early Mississippian) age. The other (Keven-West Block) consists of platform carbonate containing abundant foraminifera indicating Bashkirian (Ea...
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C. Okuyucu, U. K. Tekin, Y. Bedi, M. C. Göncüoğlu, K. Sayıt, and S. Uzunçimen Keçeli, “Foraminiferal fauna of some Carboniferous–Permian blocks from the Mersin Mélange (Central Taurus, Southern Turkey): A correlation with carbonate successions in adjacent Tauride tectonic units ,” presented at the XVIII International Congress on the Carboniferous and Permian, August 11–15 2015, Kazan, Russia, 2015, Accessed: 00, 2021. [Online]. Available: https://hdl.handle.net/11511/86900.