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Story: Rock and mineral names

Beach platform, Motukorea Island

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Beach platform, Motukorea Island

The narrow shore platform on Motukorea (Brown’s) Island, near Auckland is covered with a layer of pebbles held together by calcareous cement, forming a small area of what is locally called beach limestone. The new mineral motukoreaite was found within the light-coloured calcareous material.

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by Bruce Hayward

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How to cite this page

Simon Nathan, Rock and mineral names – Mineral names – 2, Te Ara – the Encyclopedia of New Zealand, https://teara.govt.nz/en/photograph/9093/beach-platform-motukorea-island (accessed 4 June 2026).

Story by Simon Nathan, published 2 March 2009.