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The Petrology and petrochemistry of andesite and dacite volcanoes in eastern Bay of Plenty, New Zealand.
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Mantle composition and magma genesis.
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Geology and petrology of Ruapehu volcano and associated vents.
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Geology, mineralogy and geochemistry of the Late Cenozoic McMurdo Volcanic Group, Victoria Land, Antarctica.
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Igneous petrology of the Clarence and Awatere Valleys, Marlborough.
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Petrochemical and Sr isotope studies of lavas and xenoliths from Tongariro Volcanic Centre - implications for crustal contamination in calc-alkaline magmas.
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Geology and mineralisation of the Bald Hill molybdenum occurrence.
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The Geology and geochemistry of Cape Crozier, Ross Island, Antarctica.
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The Petrology, petrochemistry and geochemistry of Pureora Mountain and the origin of the 'basic' andesites.
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The Petrology of the Blue Mountain igneous complex, Marlborough.