Please enable JavaScript.
Coggle requires JavaScript to display documents.
Ok Tedi Mine Waste disposal - Coggle Diagram
Ok Tedi Mine Waste disposal
Source of the Pollutions
Waste Rock Dumps
Copper-rich (avg. 1100 mg/kg Cu); contributes heavy metals (Zn, Pb, Cd, Mo, Ag) to river sediments
Tailings
Travel as suspended load → increase sediment concentration 5–10× above natural background; enriched in copper (up to 1523 mg/kg) and gold.
Overburden 66 Mt/year
Causes severe aggradation (riverbed rise >10 m upstream); alters river morphology, reduces transport capacity, increases overbank flooding.
Chemical Indicators
Copper
High Copper Level
Gold
Trace Metals
Zinc
Lead
Molybdenum
Silver
Cadmium
Ecosystem Effects
Environmental Impacts
River Morphology Change
Copper Contamination
Biodiversity Decline
Food Web Distruption
Sedimentation and Transportation
High Sediment Load
Floodplain Deposition
Channel Aggradation
Socioeconomic Effects
Human and Community Impacts
Fisheries Decline
Health Risk
Loss of Agriculture
Management and Solution
Monitoring Programs
Remediation Effort
Policy and Regulation