Story: Northland region

Volcanic plug

Volcanic plug

Many of Northland’s ranges are made up of volcanic rocks, and there are some spectacular remnants of old volcanoes. Tokatoka peak near Dargaville is a volcanic plug, formed when lava solidified in the pipe of an extinct volcano. The cone has worn away, leaving the plug behind.

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Te Ara – The Encyclopedia of New Zealand
Photograph by Shirley Williams

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How to cite this page:

Claudia Orange, 'Northland region - Geography', Te Ara - the Encyclopedia of New Zealand, (accessed 7 June 2023)

Story by Claudia Orange, updated 1 May 2015