%0 Journal Article
%T Luminescence Ages of Feldspar Contaminated Quartz from Fluvial Terrace Sediments
%A Nafiye Gunec Kiyak
%A M. Korhan Ertura
%J Geochronometria
%@ 1897-1695
%D 2008
%I 
%R 10.2478/v10003-008-0007-8
%X This study focuses on obtaining luminescence ages in feldspar contaminated quartz from well-developed fluvial terraces of the Yesilirmak (Iris) river located inside the eastern North Anatolian Fault Shear Zone (NAFZ). We applied a technique based on conventional single-aliquot regenerative-dose (SAR) protocol, modified with an IR pre-treatment to reduce the OSL contribution from feldspar for accurately measuring the dose in quartz. All investigated samples showed an ability to measure a beta dose given in the laboratory, a so called dose recovery test. The dependence of the equivalent dose on thermal treatment was also examined. Dose rate calculations were based on spectral analysis of gamma measurements by a field spectrometer on site. The efforts to establish a chronology using the IR modified SAR technique produced reliable dose results in stratigraphic order. Results were reproducible and grouped broadly between 35-109 ka for Bektemur, 32-36 ka for Kizilca, 19-47 ka for Aksalur and 35-44 ka for Sahinkaya. Obtained results show that the studied area was controlled by tectonic activities within the last 50 ka and the sample Aksalur 2 was the loess deposit formed by aeolian activity.
%K OSL dating
%K feldspar
%K quartz
%K terrace sediments
%K SAR dose protocol
%U http://versita.metapress.com/content/6x1g56608333t2l1/?p=2be6626587aa42b999a91bc2bb835132&pi=7