Stratigraphic and Geochemical Characteristics of Kulakçayiri Lake (Istanbul/Turkey) And Its Vicinity

Yıl 2016, , 69 - 75, 09.08.2016

Zeki Ünal Yümün , Erol Kam , Melike Önce Gülderen Açıkgöz

https://doi.org/10.30931/jetas.292631

Cited By: 1

Öz

This study investigated the trace element
potential of stratigraphic units in Kulakçayırı Lake and its vicinity, in
Arnavutköy. In this context, trace element analysis was carried out using three
drilling samples taken from Kulakçayırı Lake. In addition, grain size
distribution analyses were performed to determine the lithological properties
of the drilling samples in the stratigraphic sequence. At the base of the lake
bed, there is a distribution of sediment consisting of clay from 3 to 6.5 m
thick, and at deeper levels, clayey sand, or sandy clay.

 

In the analyses, nineteen separate
elements and CaO, TiO2 and Fe2O3 concentrations were determined using X-ray
spectrometry methods. Wavelength Dispersive X-Ray Fluorescence Spectrometry
(WDXRF) was used for these measurements.

 

As a result of the elemental analysis,
heavy metals including cobalt (Co), nickel (Ni), copper (Cu), lead (Pb),
chromium (Cr), and radioactive elements including uranium (U) and thorium (Th),
were detected in the sediments. In addition, rare metals (lanthanum, cerium and
neodymium) of the lanthanide group were also found. In particular, the
elevation of the Pb concentration in the BH-1 drilling location is remarkable.
This height is due to the sediment structure around the natural lake.

Anahtar Kelimeler

Arnavutköy Lakes, Kulakçayırı Lake, Lake Sedimentology, Stratigraphy

Kaynakça

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