The role of magma mixing in triggering the current eruption at the Soufriere Hills Volcano, Montserrat

M. D. Murphy; R. S. Sparks; J. Barclay; M. R. Carroll; A. M. Lejeune; T. S. Brewer; R. Macdonald; S. Black

doi:10.1029/98GL00713

The role of magma mixing in triggering the current eruption at the Soufriere Hills Volcano, Montserrat

M. D. Murphy, R. S. Sparks, J. Barclay, M. R. Carroll, A. M. Lejeune, T. S. Brewer, R. Macdonald, S. Black

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Abstract

The andesite lava currently erupting at the Soufriere Hills volcano, Montserrat, contains ubiquitous mafic inclusions which show evidence of having been molten when incorporated into the andesite. The andesite phenocrysts have a range of textures and zonation patterns which suggest that non-uniform reheating of the magma occurred shortly before the current eruption. Reheating resulted in remobilisation of the resident magma and may have induced eruption.

Original language	English
Pages (from-to)	3433-3436
Number of pages	4
Journal	Geophysical Research Letters
Volume	25
Issue number	18
DOIs	https://doi.org/10.1029/98GL00713
Publication status	Published - 15 Sept 1998

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Cite this

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abstract = "The andesite lava currently erupting at the Soufriere Hills volcano, Montserrat, contains ubiquitous mafic inclusions which show evidence of having been molten when incorporated into the andesite. The andesite phenocrysts have a range of textures and zonation patterns which suggest that non-uniform reheating of the magma occurred shortly before the current eruption. Reheating resulted in remobilisation of the resident magma and may have induced eruption.",

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AU - Lejeune, A. M.

AU - Brewer, T. S.

AU - Macdonald, R.

AU - Black, S.

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AB - The andesite lava currently erupting at the Soufriere Hills volcano, Montserrat, contains ubiquitous mafic inclusions which show evidence of having been molten when incorporated into the andesite. The andesite phenocrysts have a range of textures and zonation patterns which suggest that non-uniform reheating of the magma occurred shortly before the current eruption. Reheating resulted in remobilisation of the resident magma and may have induced eruption.

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