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The Petrology and petrochemistry of andesite and dacite volcanoes in eastern Bay of Plenty, New Zealand.
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Sand mineralogy of the Egmont Ash.
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Studies of the Earthquake Flat Breccia Formation and other unwelded pyroclastic flow deposits of the Central Volcanic Region, New Zealand.
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A study of lava flows on the northern slopes of Mt Ruapehu.
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Geology and petrology of Ruapehu volcano and associated vents.
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Lake Taupo Late Pleistocene tephras, a petrochemical study.
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Late Pleistocene tephras of the Taupo and Bay of Plenty regions.
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The Pahiatua Tephra - a Pleistocene marker bed at Pahiatua.
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The volcanic geology of Matahana Basin.
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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.