On 1 July 2025, NIWA merged with GNS Science to become Earth Sciences New Zealand.

Wave Micromill

NIWA

NIWA’s New Wave micromill is used to prepare microsamples for chemical and isotopic analysis. Complex structures can be sampled with submicron stage resolution and positional accuracy. Pictured clockwise top to bottom are: speleothem (being milled), bamboo coral sections, a galaxid otolith, a pair of pilchard otoliths.