Doğu Anadolu Fay Zonu Ilıca Segmentindeki Traverten Oluşumlarına Bir Örnek: Elmalı (Bingöl) Traverteni

Abstract

Çalışmaya konu olan traverten oluşumu, Türkiye’nin ikinci büyüklükteki neotektonik yapısı olan sol yanal doğrultu atımlı Doğu Anadolu Fay Zonu’nun önemli segmentlerinden biri olan Ilıca segmenti üzerinde, Bingöl- Karlıova karayolunun yaklaşık 28. km’sinde yer alan Elmalı Köyü’nün (Bingöl) yakın kuzeydoğusunda bulunur. Traverten oluşumunda kaynak kaya rolü oynayan Paleozoyik-Mesozoyik yaşlı Bitlis Metamorfitleri’nin Bingöl çevresindeki yüzlekleri, çoğunlukla mermerlerle karakterize edilir. Ağırlıklı olarak piroklastik kayaçlardan oluşan Solhan Volkanitleri’nin ise bu sıcaklığı koruyan bir örtü kaya rolü oynadığı düşünülmektedir. Örneklerde Ca ve Mg konsantrasyonları, sırasıyla 396226 ppm ve 2713,84 ppm ile en yüksek olan elementlerdir. Duraylı izotop analizlerinden δ13C değerlerinin, +7,7 ila +11,2 (‰ PDB); δ18O değerleri ise -9,8 ila -11,7 (‰PDB) olduğu görülmektedir. Örneklerden elde edilen U-Th yaş verileri, traverten çökeliminin günümüzden en azından 69672 yıl önce başlamış olduğuna işaret etmektedir.

Keywords

• Doğu Anadolu Fay Zonu
• Ilıca segmenti
• traverten
• Bingöl
• U-Th yaş analizi

Project Number

TÜBİTAK 110Y172

An Example of Travertine Formations in the Ilıca Segment of the Eastern Anatolian Fault Zone: Elmalı (Bingöl) Travertine

Abstract

The travertine formation subject to the study is located in the near northeast of Elmalı Village (Bingöl) located at approximately 28th km of Bingöl-Karlıova highway on the Ilıca segment, which is one of the important segments of the left-lateral strike-slip East Anatolian Fault Zone, which is the second largest neotectonic structure in Turkey. The outcrops of Paleozoic-Mesozoic Bitlis Metamorphites, which play a source rock role in travertine formation, are mostly characterized by marbles around Bingöl. It is thought that Solhan Volcanics, which are mainly composed of pyroclastic rocks, play a cap rock role that maintains this temperature. Ca and Mg concentrations in the samples are the highest elements with 396226 ppm and 2713.84 ppm, respectively. From stable isotope analyses, δ13C values range from +7.7 to +11.2 (‰ PDB); δ18O values are between -9.8 and -11.7 (‰PDB). U-Th age data obtained from the samples indicate that travertine deposition started at least 69672 years ago.

Keywords

• The East Anatolian Fault Zone
• Ilıca segment
• travertine
• Bingöl
• U-Th age analysis

Supporting Institution

TÜBİTAK

Project Number

TÜBİTAK 110Y172

Thanks

This study is derived from the doctoral thesis of Serap ÇOLAK EROL named “Neotectonic Significance of Travertines in the Northeastern Part of the East Anatolian Fault System”. The authors would like to thank Prof. Dr. Mehmet ÖZKUL, retired from Pamukkale University.

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