Publications
Publications
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Deep-seated fractionation during the rise of a small-volume basalt magma batch: Crater Hill, Auckland, New Zealand
- Authors
- I.E.M. Smith, Colin J. N Wilson, B.F. Houghton, S. Blake
- Journal
- Contributions to Mineralogy and Petrology
- Year
- 2008
- Crater Hill is a small volume alkali olivine basalt volcano in the Auckland volcanic field. Crater Hill consists of a sequence of pyroclastic and effusive eruptive units of which the earliest have low...
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The mineralogy, texture and significance of silica derived from alteration by steam condensate in three New Zealand geothermal fields
- Authors
- Patrick Browne, K.A. Campbell, K.A. Rodgers, K.L. Cook
- Journal
- Clay Minerals
- Year
- 2002
- Opaline silica residue accumulates on the surface and in the near surface of the Te Kopia, Tikitere and Rotokawa geothermal fields, where rhyolitic tuffs are attacked by steam condensate, made acid (p...
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