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Geology of the Coromandel region with emphasis on some economic aspects.
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Geology of the Mesozoic, Tertiary and Au-Ag mineralised rocks of Kuaotunu, Coromandel Peninsula.
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Paleomagnetism and geochronology of volcanics in the northern North Island, New Zealand.
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Cenozoic tectonics of Mt. Moehau, Coromandel, New Zealand.