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Story: Volcanoes

Layers of volcanic ash

Layers of volcanic ash

Travellers along the Desert Road pass through road cuttings showing layers of andesitic tephra (ash and lapilli). These have been ejected within the last 15,000 years from Ruapehu, Ngāuruhoe (in the background) and Tongariro volcanoes.

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Te Ara - The Encyclopedia of New Zealand
Photograph by Alastair McLean

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How to cite this page:

Richard Smith, David J. Lowe and Ian Wright. 'Volcanoes', Te Ara - the Encyclopedia of New Zealand, updated 24-Sep-11
URL: http://www.TeAra.govt.nz/en/volcanoes/7/1