Magma mixing:A mechanism for triggering acid explosive eruptions

Sparks, Stephen R.J. and Sigurdsson, Haraldur and Wilson, Lionel (1977) Magma mixing:A mechanism for triggering acid explosive eruptions. Nature, 267 (5609). pp. 315-318. ISSN 0028-0836

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Abstract

Injection of basic magma into acid magma causes superheating of the acid magma and vigorous convection. Vesiculation induced by convection and increased magma pressure fractures the volcanic edifice triggering an explosive acid eruption. The 1875 plinian eruption of Askja, Iceland is an example of an explosive eruption triggered by magma mixing.

Item Type:
Journal Article
Journal or Publication Title:
Nature
Uncontrolled Keywords:
/dk/atira/pure/subjectarea/asjc/1000
Subjects:
ID Code:
149054
Deposited By:
Deposited On:
16 Nov 2020 10:45
Refereed?:
Yes
Published?:
Published
Last Modified:
23 Nov 2020 14:56