Mineralogy and origin of aerosol from an arc basaltic eruption: case study of Tolbachik volcano, Kamchatka

Michael Zelenski, Vadim Kamenetsky, Yuri Taran & Andrew Kovalskii
Intense emission of volcanic aerosol accompanied the 2012-13 basaltic effusive eruption of Tolbachik volcano, Kamchatka. The aerosols sampled contain sulfuric acid droplets, glassy particles and 70 mineral phases. All aerosol particles may be classified by their origin. The fragmentation aerosol includes magma fragments: silicate glass clasts, silicate microspheres and small phenocrysts (olivine, pyroxene and magnetite). The alteration aerosol comprises particles of quenched silicate melt covered with secondary minerals (fluorides, sulfates and oxides/hydroxides of rock-forming elements)...
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