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U- and Th-decay series constraints on the timescales of generation and degassing for phonolite erupted in 2004 near Tristan da Cunha
Abstract   Peer reviewed

U- and Th-decay series constraints on the timescales of generation and degassing for phonolite erupted in 2004 near Tristan da Cunha

M. K Reagan, S Turner, M Legg, K. W. W Sims and V. L Hards
Geochimica et cosmochimica acta, Vol.71(15S), p.A823
17th annual V. M. Goldschmidt conference
08/2007

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Abstract

Geochemistry Isotope Geochemistry Lead actinides alkaline earth metals Atlantic Ocean Islands crystal fractionation degassing earthquakes eruptions igneous rocks isotope fractionation isotopes lava magma transport magmas metals Pb-210 phonolites Po-210 polonium pumice pyroclastics Quaternary geology Ra-226 radioactive decay radioactive isotopes radium Th-228 Th-230 Th-232 thorium time factor trachyandesites Tristan da Cunha U-238 uranium uranium disequilibrium volcanic earthquakes volcanic rocks volcanoes

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