Trace element contents in composited samples of three lignite seams from the central part of the Drama lignite deposit, Macedonia, Greece |
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| Authors: | A Filippidis A Georgakopoulos A Kassoli-Fournaraki P Misaelides P Yiakkoupis J Broussoulis |
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| Institution: | aDepartment of Mineralogy-Petrology-Economic Geology, Aristotle University of Thessaloniki, GR-540 06 Thessaloniki, Greece;bDepartment of General and Inorganic Chemistry, Aristotle University of Thessaloniki, GR-540 06 Thessaloniki, Greece;cInstitute of Geology and Mineral Exploration (I.G.M.E.), 70 Mesogian Street, GR-115 27 Athens, Greece |
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| Abstract: | Drill core samples of three lignite seams from the central part of the Drama lignite deposit and their corresponding 1000°C ash samples were analyzed for their trace element contents by Instrumental Neutron Activation (INAA) and Inductively Coupled Plasma (ICP) analyses. Compared to crustal abundances, the lignite samples are enriched in As, Br, Mo and Sb, while Ba, Co, Cr, Cs, Eu, Hf, La, Lu, Rb, Sc, Sm, Tb, Yb, Zn, Zr and Au are depleted. While Br is negatively correlated with the ash content of the lignite samples, Ce, Co, Cr, La, Sc, Sm and Yb are positively correlated. Elements from the sorrounding rocks and mineralizations of the Drama Basin have influenced the inorganic constituents of the lignite. |
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