Nigerian PicturesTIN MINING
Soil is mixed with water to form slurry.
The slurry is pumped into a sluice box.
Slurry entering the sluice box.
Men stand in the sluice box to mix up the water, soil, and tin. This process separates the tin.
Tin is heavier and falls to the bottom of the sluice box while the soil and sand pass through. The water is turned off and the tin is removed from the bottom of the box.
Land that was previously mined.
Land eroding because of previous mining.
Land previously mined.
Fish Farms
Ponds to raise fish have been built in previously mined areas.
Raising fish for the ponds.
Eucalyptus trees were planted in previoulsy mined areas. Local people have chopped the trees for firewood, but they have grown back. That is what has given them such a strange shape.
Heipang gullies were built by the government o stop erosion caused from abandoned tin mining sights.
Heipang gullies provide drainage into previously mined areas.
The edge of a previously mined area.
The government planted Eucalyptus trees along the edge to prevent further erosion. They found out that the root system actually caused further erosion.