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Volatile-rich silicate melts from Oldoinyo Lengai volcano (Tanzania): Implications for carbonatite genesis and eruptive behaviour

de Moor, J Maarten; Fischer, Tobias; King, Penelope; Botcharnikov, Roman; Hervig, Richard; Hilton, David; Barry, Peter; Mangasini, Frederick; Ramirez, Carlos

Description

This study presents volatile, trace, and major element compositions of silicate glasses (nepheline-hosted melt inclusions and matrix glass) from the 2007-2008 explosive eruption at Oldoinyo Lengai volcano, Tanzania. The bulk compositions of the heterogeneous ash erupted in 2007-2008 are consistent with physical mixing between juvenile nephelinite magma and natrocarbonatite emplaced during the preceding ~25 years of effusive carbonatite eruption. The melt inclusions and matrix glasses span a...[Show more]

CollectionsANU Research Publications
Date published: 2013
Type: Journal article
URI: http://hdl.handle.net/1885/33765
Source: Earth and Planetary Science Letters
DOI: 10.1016/j.epsl.2012.11.006

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