Volcanism in the central Taupo Volcanic Zone, New Zealand: tempo, styles and controls
Published:January 01, 2009
C. J. N. Wilson, D. M. Gravley, G. S. Leonard, J. V. Rowland, 2009. "Volcanism in the central Taupo Volcanic Zone, New Zealand: tempo, styles and controls", Studies in Volcanology: The Legacy of George Walker, T. Thordarson, S. Self, G. Larsen, S. K. Rowland, Á. Höskuldsson
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The central Taupo Volcanic Zone (TVZ) in New Zealand currently is the most frequently active and productive area of silicic (overwhelmingly rhyolitic) volcanism on Earth. From 1.6 Ma to present, 25 caldera-forming eruptions have occurred, largely represented by ignim-brites, of which 23 are of dacitic to rhyolitic composition (c. 65-77% SiO2). These eruptions together represent c. 6000 km3 of magma, but this record is known to be incomplete. Other large (but as yet unquantified) eruptions are recorded in deep-sea cores and now-uplifted Pleistocene marine sediments, but correlations to mapped ignimbrite sheets are incomplete...
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Studies in Volcanology: The Legacy of George Walker
Professor George Patrick Leonard Walker was one of the fathers of modern quantitative volcanology and arguably the foremost volcanologist of the twentieth century. In his long career, George studied a wide spectrum of volcanological problems and in doing so influenced almost every branch of the field. This volume, which honours his memory and his contributions to the field of volcanology, contains a collection of papers inspired by, and building upon, many of the ideas previously developed by George. Many of the contributors either directly studied under and worked with George, or were profoundly influenced by his ideas. The topics broadly fall under the three themes of lava flows and effusion, explosive volcanism, and volcanoes and their infrastructure.