KOLADE ADEYEMI reports on how 13 villagers were trapped in the act and buried alive in a mining pit. His son, Akubaka Sunday, a 27-year-old final year student of Civil Engineering from University ...
however it is conceivable that pre-feasibility geotechnical data can steepen the pit walls in the gravel-alluvium, thus reducing pre-strip capital costs and life of mine waste mining costs.