AMMONIUM MINERALS IN THE ALTERATION HALOS OF EPITHERMAL GOLD-SILVER DEPOSITS IN THE HAURAKI GOLDFIELD, NEW ZEALAND
KRISTOFFERSEN, Nikolas1, HATTORI, Keiko1 and SIMPSON, Mark P.2, (1)University of Ottawa, Earth and Environmental Science, 75 Laurier Ave. E, Ottawa, ON K1N 6N5, Canada, (2)GNS Science, Wairakei Research Centre, 114 Karetoto Road - RD4, Taupo, 3377, New Zealand