Conference Proceedings
2002 AusIMM New Zealand Branch Annual Conference - 150 Years of Mining
Conference Proceedings
2002 AusIMM New Zealand Branch Annual Conference - 150 Years of Mining
Northland Halloysite - Past, Present and Future
Imerys Tableware New Zealand Limited has mining rights to four deposits of halloysite, which are located about 203 km north of Auckland, New Zealand. These primary deposits were formed by the hydrothermal alteration and weathering of rhyolite domes. Halloysite clay is currently being mined from two of these deposits and then processed for export markets. From humble beginnings in the mid 1950s, the Northland halloysite was processed initially for paper filler markets and then for higher value tableware and technical ceramic niche export markets. The paper will briefly cover the geology and processing of halloysite and then examine the history of New Zealand China Clays Limited, now Imerys Tableware New Zealand Limited and then look to its future as part of global industrial minerals company, Imerys.
Contributor(s):
M G Townsend, S Marsters
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- Published: 2002
- PDF Size: 0.402 Mb.
- Unique ID: P200206027