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

Rock core

Phil Barnes, NIWA

Sections of ‘volcaniclastic’ rock core collected on Drillship JOIDES Resolution from ~1 km below seafloor on IODP Expedition 375, from the interval that correlates with  the Hikurangi subduction slow slipping fault zone.