Black Rock Mining's Mahenge graphite development is in Tanzania's Ulanga district, some 250km north of the border with Mozambique, 250km west of a coastal port, and 300km southwest of Tanzania's largest city, Dar es Salaam.

The definitive feasibility study from last year outlined a three-stage construction schedule to ultimately deliver up to 250,000 tonnes per annum of 98.5% graphit...