Volcanic ash as a factor for radioecological conditions in Kamchatka part 1. The abundance and hypergene transformation of Th and U in recent volcanic ash

Concentrations of Th and U in fresh ash ejected by active volcanoes in Kamchatka are generally considerably below their Clarke values in their respective types of rock. The bulk concentrations of Th and U in andesitic and basaltic ashes do not show any obvious differences. The concentrations of thei...

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Veröffentlicht in:	Journal of volcanology and seismology 2016, Vol.10 (1), p.50-63
Hauptverfasser:	Litvinenko, Yu. S., Zakharikhina, L. V.
Format:	Artikel
Sprache:	eng
Schlagworte:	Earth and Environmental Science Earth Sciences Ecology Fly ash Geochemistry Geology Geophysics/Geodesy Snow cover Volcanic eruptions Volcanoes
Online-Zugang:	Volltext
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