- amorphous
- arsenates
- arsenopyrite
- ca
- calcite
- discharge
- dissolved
- Fe
- forms
- geochemical
- grade
- grains
- gypsum
- jarosite
- limits
- lowered
- macraes
- mesothermal
- mol
- molar
- opposing
- ore
- oxidation
- oxidize
- oxyhydroxides
- parts
- pathways
- plant
- ppm
- precipitated
- pressure
- pressure_oxidation
- profound
- pyrite
- rapidly
- release
- respect
- saturated
- soluble
- strongly
- sufficiently
- sulphate
- sulphide
- system
- tailing
- tonnes
- transition
Connecting New Zealand's energy researchers to shape the future
Read More
Publications
Publications
-
- Authors
- Dave Craw
- Journal
- Journal of Geochemical Exploration
- Year
- 2003
- The Macraes gold mine, in southern New Zealand, was developed in a low grade mesothermal deposit. A pressure-oxidation plant was commissioned in 1999 to oxidize pyrite and arsenopyrite in the ore and ... REGISTER NOW TO SEE MORE
Geochemical changes in mine tailings during a transition to pressure - oxidation process discharge, Macraes mine, New Zealand