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Geochemical examination of the active hydrothermal system at Ngawha, Northland, New Zealand: hydrochemical model, element distribution and geological setting.
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Hydrothermal alteration and chemistry of sulphate-rich wells in the Southern Negros Geothermal Field, Philippines.
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Fluid-Mineral Equilibria in the Kawerau Hydrothermal System, Taupo Volcanic Zone, New Zealand.
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Mineralogy and fluid composition at Dieng Geothermal Field, Indonesia.
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Isotope studies of thermal fluids and reservoir rocks, Aluto geothermal prospect.