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Russian Geology and Geophysics

2014 year, number 12

ATMOCHEMICAL MERCURY DISPERSION AUREOLES OVER ACTIVE GEOLOGIC STRUCTURES OF THE NORTHERN SEA OF JAPAN

V.V. Kalinchuk, A.S. Astakhov
V.I. Il’ichev Pacific Oceanological Institute, Far Eastern Branch of the Russian Academy of Sciences, ul. Baltiiskaya 43, Vladivostok, 690041, Russia
Keywords: Rift structure, atmosphere, mercury, Sea of Japan

Abstract

In the autumn of 2010, contrasting dispersion aureoles of atomic mercury were revealed in the northern Sea of Japan, in the vicinity of the Vityaz’ and Alpatov Rises. Based on the elimination method, the assumption is made that the aureoles resulted from the supply of mercury from hydrothermal or water-gas bottom sources through the sea water column, either in gas bubbles or as a result of diffusion and turbulent mixing. It is inferred that gas-mercury measurements can be used in geological research in sea water areas.

DOI: http://dx.doi.org/10.1016/j.rgg.2014.11.002