Geoscience Reference
In-Depth Information
(a)
(b)
Fig. 3.15
Mine waste in the Río Pilcomayo, Bolivia. (a) Braided reach, in which the entire valley is filled with mining-related sediment.
The river is grey-coloured and contains sulphide mine tailings, and in places on the floodplain the sulphides have oxidized to form
metal-bearing iron oxyhydroxides. Approximate width of photograph is 500 m. (b) Discharge of sulphide mine tailings directly into
the river.
