Metals in the New Zealand environment

Introduction

• Introduction to metals in the New Zealand Environment

Overview: Geological setting for Metals in the New Zealand environment

• Epithermal Gold
• Mesothermal Gold
• Acid Rock drainage
• Coal
  • Wangaloa - closed coal mine
• Metals in groundwater
• Alluvial Gold
• Northland Mercury
• Hot Springs (in heavy metals)
  

Metalloids

• Arsenic
• Antimony
  • Antimony mobilisation from mineral deposits in schist and greywacke (mesothermal or orogenic deposits) of Australia and New Zealand
  • Mobilisation and dispersal of antimony from antimony-gold mineral deposits in circumneutral pH waters: environmental consequences in Australasia
  • NZTEG 2008 - Antimony in the New Zealand environment

Heavy Metals

• Heavy metal discharge from fossil hot springs
  • Host Rock alteration
  • Active analogies for old hot spring systems
  • Sinter
• Mine Tailings
• Weathering and alteration

References

• References