Development, mobilisation and eruption of a large crystal-rich rhyolite: The Ongatiti ignimbrite, New Zealand

The Ongatiti ignimbrite (>~500km3 DRE) was erupted at 1.21±0.04Ma from the Mangakino volcanic centre (Taupo Volcanic Zone, New Zealand). The ignimbrite is crystal rich (20–30%), of rhyodacite to low-silica rhyolite composition and lacks any consistent compositional zonation. Pumice whole-rock and...

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Veröffentlicht in:	Lithos 2014-06, Vol.198-199, p.38-57
Hauptverfasser:	Cooper, George F., Wilson, Colin J.N.
Format:	Artikel
Sprache:	eng
Schlagworte:	Amphibole Magma chamber Ongatiti eruption Supereruption Taupo Volcanic Zone Trace elements
Online-Zugang:	Volltext
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