Zealand's geothermal waters can generally be separated
(but not always), on the basis of their temperature,
geological location and chemistry, into two main
Waters with temperatures of between about 20°C
(ambient) and about 100°C, associated with active
Waters with temperatures greater than 100°C, associated
with areas of active volcanism.
of the North Island
map shows the location of the known high-temperature
volcanic geothermal systems (Hunt & Bibby,
1992; Mongillo & Clelland, 1984).
>> Geothermal Resources in New Zealand An