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Hydrothermal alteration and mineralisation of Mesozoic sediments and Neogene volcanics, Pungaere, Northland.
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Geology of the Mesozoic, Tertiary and Au-Ag mineralised rocks of Kuaotunu, Coromandel Peninsula.
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Maria Lode and associated hydrothermal alteration of andesites, Karangahake fossil geothermal system, Coromandel Peninsula.