ABSTRACT A thick sedimentary sequence comprising fluvial, lacustrine and volcano‐ sedimentary rocks is present in the Neogene Beypazari Basin, central Anatolia. These units …
Abstract During Late Jurassic–Early Cretaceous the Pontides were the site of a wide carbonate platform facing the Tethys ocean in the south. In the western Pontides the Upper …
C Helvacı - Mineral Resources of Turkey, 2019 - Springer
Trona deposits have limited distribution in the Earth's crust, but extraordinary concentrations can be found in some places, commonly in combination with borate and other salt deposits …
C Helvacı, Y Yücel Öztürk, M Satır… - International Geology …, 2014 - Taylor & Francis
The Beypazarı granitoid has been studied with respect to multi-radiometric dating and oxygen isotopic geothermometry. Radiometric dating of the granitoid yields zircon U-Pb …
I Gündogan, C Helvaci - International Geology Review, 2001 - Taylor & Francis
Upper Miocene evaporites in the Beypazari and Cankiri-Corum basins were deposited in an inter-montane playa–lake complex environment and are intercalated with gypsiferous …
Upper Miocene evaporites of the Kirmir Formation in the Beypazarı basin and Bozkır Formation in the Çankırı-Çorum basin are deposited in an intermontane playa lake complex …
The Beypazarı district is a large area of volcano-sedimentary rocks in the interior of central Anatolia, situated~ 100 km northwest of Ankara. Trona, lignite, and bituminous shale occur …
Calcite pseudomorphs after gypsum, alabastrine gypsum and slump feature in Karabayır Gypsum Member have been interpreted as early diagenetic products. The replacement of …
Schalen von 38 Rudisten aus dem Barreme bis Maastricht wurden beprobt und hinsichtlich der Spurenelemente (Mg, Sr, Fe, Mn) und stabilen Isotope (δ13C, δ18O) analysiert. Niedrige …