Abstract
The mineralogical and geochemical composition of Holocene sediments from Lake Hazar, Elazığ, Eastern Turkey: implications for weathering, paleoclimate, redox conditions, provenance, and tectonic setting
Highlights
The mineralogical and chemical compositions of lake sediments are mainly controlled by the properties of the sedimentary environment
The core begins at its lowermost part with alternations of dark and light gray homogeneous clays that terminate at 1.72 m with a yellowish green silty clay layer
The intensity is calculated with the chemical index of alteration: CIA = [Al2O3 / (Al2O3 + Na2O + K2O + CaO*) × 100], where CaO* is the CaO associated with the silicate fraction (Nesbitt and Young, 1982)
Summary
The mineralogical and chemical compositions of lake sediments are mainly controlled by the properties of the sedimentary environment. They are preferentially affected by several factors such as source rock, catchment weathering, tectonic setting of the source rocks, and paleoclimate of the region (Yuretich et al, 1999; Condie et al, 2001; Wanas and Abdel-Maguid, 2006; Hseu et al, 2007; Alizai et al, 2012; Armstrong-Altrin et al, 2013; Tao et al, 2013; Song et al, 2014; Armstrong-Altrin, 2015; Garzanti et al, 2016; Huvaj and Huff, 2016; Şengün and Koralay, 2019). The structure of the basin was examined by utilizing a bathymetric map and seismic profiles together with the sediment core
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