Late Quaternary glaciations and cosmogenic 36 Cl geochronology of Mount Dedegöl, south-west Turkey

Oğuzhan Köse*, M. Akİf Sarıkaya, Attİla Çİner, Adem Candaş

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32 Atıf (Scopus)

Özet

We present details on the timing of glaciations during the late Quaternary in the western Taurus Mountain Range of Turkey. Twenty-five boulders from prominent moraines in three northern glacial valleys of Mount Dedegöl (37.40°N, 31.17°E, 2992 m above sea level, ∼15 km west of Lake Beyşehir) were dated based on cosmogenic 36 Cl surface exposure. The geomorphological mapping of the N-NE-trending Sayacak, Kisbe and Karagöl valleys and their in situ produced 36 Cl glacial chronology revealed several glacial episodes during the late Quaternary from (pre-Last Glacial Maximum (pre-LGM) to early Holocene. Pre-LGM glaciations are represented by a push-hummocky moraine complex in the northern Sayacak Valley and dated to 29.7 ± 2.9 ka. The ages obtained from these hummocky moraines give substantial evidence regarding ice accumulation before the global LGM. In the same valley, glaciers reached their maximum positions at the LGM and deposited lateral moraines at 19.7 ± 1.6 ka. Lateglacial moraines were dated to between 16.4 ± 0.7 and 12.0 ± 1.0 ka in the nearby east-facing Karagöl valley. The youngest glacial stages occurred during the Younger Dryas stadial (11.5 ± 0.8 ka) and early Holocene (9.8 ± 1.4 ka) in Mount Dedegöl.

Orijinal dilİngilizce
Sayfa (başlangıç-bitiş)51-63
Sayfa sayısı13
DergiJournal of Quaternary Science
Hacim34
Basın numarası1
DOI'lar
Yayın durumuYayınlandı - Oca 2019

Bibliyografik not

Publisher Copyright:
© 2018 John Wiley & Sons, Ltd.

Finansman

This work consists of the first author's MSc thesis and was supported by TÜBİTAK grant No. 114Y548. We thank to Dr Lucilla Benedetti (CEREGE, France) and Dr Klaus Wilcken (ANSTO, Australia) for their help with AMS measurements. We also thank Erdal Koşun (Akdeniz University) and Mücahit Oğul (Istanbul University) for their help during the field campaigns. Acknowledgements. This work consists of the first author’s MSc thesis and was supported by TUB€ İTAK grant No. 114Y548. We thank to Dr Lucilla Benedetti (CEREGE, France) and Dr Klaus Wilcken (ANSTO, Australia) for their help with AMS measurements. We also thank Erdal Kos¸un (Akdeniz University) and Mu€cahit Ogul (Istanbul University) for their help during the field campaigns.

FinansörlerFinansör numarası
TUB€ İTAK
Istanbul Üniversitesi
Türkiye Bilimsel ve Teknolojik Araştirma Kurumu114Y548
Akdeniz Üniversitesi

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