عنوان به زبان ديگر :
Optical dating of Holocene lake bed sediments of the Nimbluk Plain, Khorasan, Northeast Iran: Implications for the climate change and palaeo-environment
پديد آورندگان :
، نويسنده Institute of Geophysics,Department of Earth Physics,University of Tehran,Iran Fattahi, M. , ، نويسنده Department of Earth Sciences,University of Oxford,England Walker, R.
اطلاعات موجودي :
فصلنامه سال 1394
كليدواژه :
Lake-bed sediments , OSL , Nimbulk Plain , LUMINESCENCE DATING , Iran
چكيده لاتين :
We have investigated an optically stimulated luminescence (OSL) dating study in the Nimbluk lakebed in Khorasan, northeast Iran. Two sles of the lakebed sediments from ~1 m below the land surface are successfully dated at 7.39.9 ka. All necessary experiments have been performed to choose the most suitable procedure for dating quartz extracts using single aliquot regeneration method (SAR). We have employed weighted histogram, unweighted histogram and central age model (CAM) for equivalent dose determination. Although, these results of the ages do not allow us to determine the timing of desiccation, the results suggest that the early part of the Holocene was much wetter than today. This provides valuable palaeoenvironmental data in the region.
عنوان نشريه :
فيزيك زمين و فضا
عنوان نشريه :
فيزيك زمين و فضا
اطلاعات موجودي :
فصلنامه با شماره پیاپی سال 1394
كلمات كليدي :
#تست#آزمون###امتحان
