English Waiareka-Deborah volcanic field Cited by user ChaseKiwi on 19 Feb 2023 The Waiareka-Deborah volcanic field is a group of volcanics of sub-alkaline basalt to basaltic andesite composition and aged from 36.4 to 27.6 million years ago near…
English South Island Surface Volcanism Cited by user ChaseKiwi on 13 Feb 2023 The volcanic activity in the South Island of New Zealand terminated 5 million years ago as the more northern parts of the North Island became extremely volcanically…