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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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The stratigraphy and geochemistry of the Mangaone subgroup tephra beds, Okataina Volcanic Centre, New Zealand.
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The geochemistry and structure of the northern Kermadec Arc.