Microprobe element maps showing the distribution of mercury and silica in a 1.6 mm x 1.6 mm portion of the Puhipuhi sinter. The colour scale shows high mercury as purple and low mercury as mauve or stippled. Cinnabar seen as thin coloured bands on the mercury map, with these same bands highlighted in the silica map indicating low levels of silica and high levels of mercury.
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Introduction
Overview: Geological setting for Metals in the New Zealand environment
- Epithermal Gold
- Mesothermal Gold
- Acid Rock drainage
- Coal
- Metals in groundwater
- Alluvial Gold
- Northland Mercury
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Hot Springs (in heavy metals)