electrokinetic remediation is one of the most promising in situ or ex situ processes for decontamination of heavy metals, anions and polar organic compositions from the soil. in this study, we investigated the efficacy of this method in removing mercury from clayey soil (with kaolin to sand weight ratio of 2:1) and from gold mine tailing dam sediment and determined optimum removal conditions. t...

Olivine from the deep mantle-derived rocks, such as ultramafic lamprophyres, carries important information about composition of mantle source, processes metasomatism, origin specific silicate-carbonate melts, well and mechanisms crystallization these rocks. Textures compositions olivine carbonate-rich lamprophyres (aillikites) Terina complex, along with their mineral melt inclusions, exposed th...

Chloride-rich brines are increasingly recognized as playing an important role in high pressure and temperature metamorphic and magmatic systems. The origins of these saline multicomponent fluids are debated, but experimental evidence suggests that regardless of their origin they must be important agents of rock alteration and mass transfer wherever they occur. Studies of the solubility of quart...

Harzburgitic xenoliths cut by pyroxenite veins from Avachinsky volcano, Kamchatka, are derived from the sub-arc mantle and record element transfer from the slab to the arc. Olivine and orthopyroxene in the harzburgites have Li isotopic compositions (dLi = ?2.8 to ?5.6) comparable to estimates of the upper mantle (dLi * ?4 ± 2). The pyroxenite veins, which represent modal metasomatism and may th...

The goal of this study is to constrain the origins layering in seismic velocity structure within cratonic mantle lithosphere (i.e. mid-lithospheric discontinuities [MLDs]). For long-lived stations cratons worldwide, we calculated S-to-P converted phase receiver function stacks using time domain deconvolution and a k-means algorithm select robust, consistent functions. Negative MLDs appear only ...