The anatomy of an andesite volcano: a time-stratigraphic study of andesite petrogenesis and crustal evolution at Ruapehu Volcano, New Zealand

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Title

The anatomy of an andesite volcano: a time-stratigraphic study of andesite petrogenesis and crustal evolution at Ruapehu Volcano, New Zealand

Content partner

University of Waikato

Collection

ResearchCommons@Waikato

Description

Ruapehu, New Zealand’s largest active andesite volcano, is located at the southern tip of the Taupo Volcanic Zone (TVZ), the main locus of subduction-related volcanism in the North Island. Geophysical data indicate that crustal thickness increases from <25 km within the TVZ to 40 km beneath Ruapehu. The volcano is built on a basement of Mesozoic meta-greywacke, and geophysical evidence together with xenoliths contained in lavas indicates that this is underlain by oceanic, meta-igneous lower c...

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Format

Research Paper

Research format

Journal article

Date created

2012

Creator

Price, Richard C. / Gamble, John A. / Smith, Ian E.M. / Maas, Roland / Waight, Tod E. / Stewart, Robert B. / Woodhead, Jon D.

URL

https://hdl.handle.net/10289/7223

Related subjects

andesite / volcano / Taupo volcanic zone / New Zealand / assimilation / fractional crystallization

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