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Title: RELATIONSHIPS BETWEEN THE TRACE ELEMENT COMPOSITION OF WATER AND BOTTOM SEDIMENTS OF RUSSIAN ENDORHEIC SALINE LAKES (ALTAI REGION)
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RELATIONSHIPS BETWEEN THE TRACE ELEMENT COMPOSITION OF WATER AND BOTTOM SEDIMENTS OF RUSSIAN ENDORHEIC SALINE LAKES (ALTAI REGION)
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1314-2704
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English
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17
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31
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The trace element composition of endorheic saline lakes (with total dissolved solids varies from 1 to 590 g/L) of the Altai Region (Russia) is of undoubted interest from the point of view of their mineral resources. Among the trace elements in lake waters, high content of boron (up to 78 mg/L), bromine (up to 820 mg/L), lithium (up to 3.6 mg/L), strontium (up to 13 mg/L), iodine (up to 6.3 mg/L), and arsenic (up to 0.6 mg/L) have been determined. The content of uranium in the investigated lakes varies over a wide range (9.2*10-4 - 4.1), average is 0.3 mg/L. It is shown that soda lakes are characterized by accumulation of U, As, Si, Mo; high content of Sr and Li are specialty of chloride lakes. The article presents that amount of trace elements in bottom sediments of studied lakes is closely connected with water-rock interaction processes and migration features of element in brackish solutions. Such elements as Si, B, As preferentially migrate in HkMeOnm- form; Br and Mn, on the contrary, only in the form of pure ion; Ni, Cu, Th, U, Al, and Fe migrate in complexes with organic matter.
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conference
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17th International Multidisciplinary Scientific GeoConference SGEM 2017
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17th International Multidisciplinary Scientific GeoConference SGEM 2017, 29 June - 5 July, 2017
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Proceedings Paper
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STEF92 Technology
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International Multidisciplinary Scientific GeoConference-SGEM
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Bulgarian Acad Sci; Acad Sci Czech Republ; Latvian Acad Sci; Polish Acad Sci; Russian Acad Sci; Serbian Acad Sci & Arts; Slovak Acad Sci; Natl Acad Sci Ukraine; Natl Acad Sci Armenia; Sci Council Japan; World Acad Sci; European Acad Sci, Arts & Letters; Ac
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527-534
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29 June - 5 July, 2017
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website
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cdrom
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3345
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saline lakes; trace elements; uranium; water-rock interaction; migration forms; Russia
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