Abstract
Abstract The Se, Te, and As content of the eruptive gas and of sulfur sublimates from the current (Jan. 1983 through Mar. 1985) east-rift eruption of Kilauea volcano, Hawaii, have been determined. These data, in combination with previous data, suggest that most of the Se and Te in eruptive plumes occur in the particulate fraction while most of the As is in the gas phase. Eruptive emissions to the atmosphere have been estimated at 10 metric tons each of Se and As and 2 tons of Te over the first 14 months of the eruption. Material balance calculations suggest 0.28 ppm Se and 0.017 ppm Te for the initial Kilauean magma content of these elements. Only one-third of the original Se and Te is lost from the magma by degassing.
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