Story: Hauraki–Coromandel region

Coast at Hahei

Coast at Hahei

The volcanic rocks along the eastern coast of the Coromandel Peninsula mostly comprise volcanic material that erupted from massive calderas (large, deep craters) around eight million years ago, forming sheets of ignimbrite and rhyolitic domes.

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How to cite this page:

Paul Monin, 'Hauraki–Coromandel region - Geology and landscape', Te Ara - the Encyclopedia of New Zealand, (accessed 15 April 2024)

Story by Paul Monin, updated 1 Apr 2016