Miocene alluvial fan-alkaline playa lignite-trona bearing deposits from an inverted basin in Anatolia: sedimentology and tectonic controls on deposition

U İnci - Sedimentary Geology, 1991 - Elsevier
Abstract During the Middle through Late Miocene, over 1200 m of clastics, carbonates and
evaporites accumulated in the depositional basin situated in northwestern Ankara province …

Sedimentological characteristics and facies of the evaporite‐bearing Kirmir Formation (Neogene), Beypazari Basin, central Anatolia, Turkey

F YAĜMURLU, C HELVACI - Sedimentology, 1994 - Wiley Online Library
ABSTRACT A thick sedimentary sequence comprising fluvial, lacustrine and volcano‐
sedimentary rocks is present in the Neogene Beypazari Basin, central Anatolia. These units …

Reconstruction of a Late Jurassic–Early Cretaceous carbonate platform margin with composite biostratigraphy and microfacies analysis (western Sakarya Zone …

SG Atasoy, D Altiner, AI Okay - Cretaceous Research, 2018 - Elsevier
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 …

Turkish trona deposits: geological setting, genesis and overview of the deposits

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 …

U-Pb zircon and K-Ar geochronology reveal the emplacement and cooling history of the Late Cretaceous Beypazarı granitoid, central Anatolia, Turkey

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 …

Sedimentological and petrographical aspects of upper miocene evaporites in the Beypazari and Çankiri-Çorum Basins, Central Anatolia, Turkey

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 …

[PDF][PDF] Geology, mineralogy-petrography and economic potential of the upper Miocene evaporites in the Beypazari and Çankiri-Çorum basins

İ GÜNDOĞAN - 2000 - researchgate.net
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 …

[PDF][PDF] GEOLOGY OF THE BEYPAZARI TRONA FIELD, ANKARA, TURKEY

C HELVACI - 2018 - researchgate.net
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 …

Sedimentary facies of Kirmir formation, SE Beypazarı Miocene basin

G Ürün - 1999 - open.metu.edu.tr
Calcite pseudomorphs after gypsum, alabastrine gypsum and slump feature in Karabayır
Gypsum Member have been interpreted as early diagenetic products. The replacement of …

[PDF][PDF] Geochemie von Rudistenschalen: Beiträge zur Meerwasserchemie (Sr/Ca, Mg/Ca, δ13C)[(Sr/Ca Mg/Ca Delta 13 C)] und Paläoklima der Kreide

M Rauch - 2005 - hss-opus.ub.ruhr-uni-bochum.de
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 …