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    • Map of the main deposits of clay found in New Zealand.
    Rights: The University of Waikato Published 9 April 2010 Size: 110 KB Referencing Hub media

    This map shows the main deposits of clay found in New Zealand. The Matauri Bay deposit of a kaolin clay known as halloysite has a worldwide reputation for its purity and its whiteness.

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      What is clay?

      Since the earliest times, humankind has had a close association with clay. From use as a building material, in pottery, for treating human digestive ailments to a multitude of industrial uses ...

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