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Stratigraphy, volcanology, petrology and geochemistry of the 7.5ka Mamaku Eruptive Episode, Okataina Volcanic Centre, North Island, New Zealand.
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Mineralogy of some igneous rocks from the Kermadec Islands and Taupo Volcanic Zone, New Zealand.
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Geochemical and volcanological aspects of rhyolitic eruptions from Taupo Volcanic Zone, New Zealand.