In 2016 orelogy was requested by Black Rock Mining Ltd to undertake the mining component for the Mahenge Graphite Project Pre-Feasibility Study in Tanzania.
The study was undertaken in two stages. first stage was restricted to the Ulanzi deposit. The main mine planning activities in this study were pit optimisation, pit design, scheduling and cost estimation.
The second stage of the study conducted in 2017 included both Ulanzi and Cascade deposits.