Tazekent (Diyadin, Ağrı) Travertenlerinin Oluşum Koşulları ve İlk İlklimsel Kanıtları / Formation Conditions of Tazekent (Diyadin, Ağrı) Travertines and First Climatic Evidence

Öz

Tazekent Köyü, Doğu Anadolu Bölgesinde, Ağrı iline bağlı Diyadin ilçesinde yer almaktadır. Bölge, kaplıcaları ve zengin traverten ve tufa oluşumları ile ön plana çıkmaktadır. Bu çalışmada, Tazekent köyü travertenlerinin jeolojik evrimini belirleyerek, oluşumları sırasındaki iklimsel değişimlere ışık tutmak amaçlanmıştır. Yapılan sedimantolojik incelemeler sonucunda travertenler 7 fasiyese ayırtlanmıştır. Travertenlerden alınan örneklerden ince kesitler yapılmış, SEM incelemeleri gerçekleştirilmiş ve Paleotopraklardan alınan örnekler üzerinde XRD analizi yapılmıştır. Yapılan analiz ve incelemeler sonucunda, Tazekent Köyü travertenlerinin sırt tipi traverten morfolojisinde ve yamaç ortamında oluştuğu, oluşumları zamanında, genel olarak kurak sıcak iklim koşullarının hüküm sürdüğü tespit edilmiştir. Aynı zamanda, bölgenin aktif bir zonda olduğu, travertenlerin, tektonizma ve volkanizma ile eş zamanlı oluştuğu ve günümüzde de halen oluşmaya devam ettiği tespit edilmiştir.

Anahtar Kelimeler

• Diyadin
• Tazekent Köyü
• traverten
• fasiyes
• iklim

Formation Conditions of Tazekent (Diyadin, Ağrı) Travertines and First Climatic Evidence

Öz

Tazekent village is located in the Diyadin district of Ağrı province in Eastern Anatolia. The region is notable for its hot springs and rich travertine and tufa formations. In this study, the aim was to determine the geological evolution of the Tazekent travertines and shed light on the climatic changes during their formation. As a result of sedimentological examinations, the travertines were differentiated into 7 facies. Thin sections were made from samples taken from travertines, SEM examinations were carried out and XRD analysis was performed on samples taken from paleosoils. As a result of the analysis and examinations, Tazekent travertines were determined to have formed with ridge type travertine morphology and in a slope environment, and that, generally hot and dry, sometimes cold, climate conditions prevailed during their formation. It was determined that the region is an active zone, the travertines formed simultaneously with tectonism and volcanism, and they continue to form today.

Anahtar Kelimeler

• Diyadin
• Tazekent Village
• travertine
• facies
• climate

Kaynakça

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