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

volcaniclastic rock core

Phil Barnes, NIWA

Sections of ‘volcaniclastic’ (green and brown colour) and ‘carbonate’ (beige and cream colour) rock core collected on Drillship JOIDES Resolution from ~850 m below seafloor on IODP Expedition 375, from the interval that correlates with the Hikurangi subduction slow slipping fault zone.