Round the Rocks: Curious New Zealand Concretions
An exploration of Kiwi Concretions - from Koutu Boulders to Moeraki Boulders - and beyond...
Thursday
Waimamaku Valley, South Hokianga
Taita Stream hiatus concretion, Punakitere Sandstone (Late Cretaceous)
The surface of this 'hiatus' concretion shows evidence of bioerosion and encrustation from a shallow marine environment, probably during Miocene times. Taita Stream, South Hokianga.
Waiotemarama Gorge
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