publication . Article . 2016

Timescales of magma transport and mixing at Kīlauea Volcano, Hawai’i

Rae, Auriol SP; Edmonds, Marie; Maclennan, John; Morgan, Daniel; Houghton, Bruce; Hartley, Margaret E; Sides, Isobel;
Open Access English
  • Published: 04 May 2016
  • Publisher: Geological Society of America
  • Country: United Kingdom
Modelling of volcanic processes is strongly limited by a poor knowledge of the timescales of storage, mixing and final ascent of magmas into the shallowest portions of volcanic 'plumbing' systems immediately prior to eruption. It is impossible to measure these timescales directly; however, micro-analytical techniques provide indirect estimates based on the extent of diffusion of species through melts and crystals. Here, diffusion in olivine phenocrysts from the 1959 Kīlauea Iki eruption is used to constrain the timing of mixing events in the crustal plumbing system on timescales of months to years before eruption. The timescales derived from zonation of Fe-Mg in...
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Article . 2016
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