Late Pleistocene Tendürek Volcano (Eastern Anatolia, Turkey): I. Geochronology and petrographic characteristics of igneous rocks
- Authors: Lebedev V.A.1, Sharkov E.V.1, Ünal E.2, Keskin M.3
- 
							Affiliations: 
							- Institute of Geology of Ore Deposits, Petrography, Mineralogy and Geochemistry
- Faculty of Architecture and Engineering, Department of Geological Engineering, Zeve Campus
- Faculty of Engineering, Department of Geological Engineering, Avcilar
 
- Issue: Vol 24, No 2 (2016)
- Pages: 127-152
- Section: Article
- URL: https://journals.rcsi.science/0869-5911/article/view/177436
- DOI: https://doi.org/10.1134/S0869591116020041
- ID: 177436
Cite item
Abstract
The series of two papers presents a comprehensive isotope-geochronological and petrological-geochemical study of the Late Quaternary Tendürek Volcano (Eastern Turkey), one of the greatest volcanoes within the Caucasian—Eastern Anatolian segment of the Alpine foldbelt. The first article discusses the results of chronostratigraphic reconstruction and provides the main petrographic characteristics of the Tendürek’s igneous rocks. The K-Ar dating results show that the magmatic activity of the Tendürek Volcano developed in the Late Pleistocene time, over the period of the last 250 thousand years. Five discrete phases (I—250–200 ka, II—200–150 ka, III—150–100 ka, IV—100–70 ka, and V—<50 ka) of the youngest magmatism were identified in this study. The first two phases were represented by the fissure eruptions of alkaline basic lavas and subsequent formation of vast lava plateaus, the Çaldıran and Doğubeyazıt plains. In the following phases, the intermediate and moderately-acid volcanic rocks of mildly-alkaline or alkaline series started to dominate among the eruption products. According to their petrographic characteristics, the rocks of Tendürek Volcano are assigned to the alkaline association with Na-specifics (hawaiites-mugearites-benmoreites). The available geological, isotope-geochronological, and geomorphological data suggest that the Tendürek Volcano is potentially active. Nowadays, Tendürek reaches the caldera stage of its development.
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About the authors
V. A. Lebedev
Institute of Geology of Ore Deposits, Petrography, Mineralogy and Geochemistry
							Author for correspondence.
							Email: leb@igem.ru
				                					                																			                												                	Russian Federation, 							Staromonetny per., 35, Moscow, 119017						
E. V. Sharkov
Institute of Geology of Ore Deposits, Petrography, Mineralogy and Geochemistry
														Email: leb@igem.ru
				                					                																			                												                	Russian Federation, 							Staromonetny per., 35, Moscow, 119017						
E. Ünal
Faculty of Architecture and Engineering, Department of Geological Engineering, Zeve Campus
														Email: leb@igem.ru
				                					                																			                												                	Turkey, 							Van, 65080						
M. Keskin
Faculty of Engineering, Department of Geological Engineering, Avcilar
														Email: leb@igem.ru
				                					                																			                												                	Turkey, 							Istanbul, 34320						
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