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The clay mineral assemblages and geology of the Mahakirau hydrothermal alteration zone, Coromandel Peninsula, New Zealand.
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Intrusion of Miocene dikes into wet tephra, Kaipara Harbour, Northland, New Zealand.
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Merapi Volcano, Java, Indonesia: a comparison of 1984 block and ash deposit and lahar deposit.
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The petrology and geochemistry of the Orangiwhao Volcanics.
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Geology of the southern Mamaku Plateau.
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Lithic inclusions in the Taupo Pumice Formation.
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Studies on late Quaternary tephras in the Waikato and other regions in northern North Island, New Zealand, based on distal deposits in late sediments and peats.
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Cenozoic volcanism in the Waiau area, North Canterbury.