Canadian base metals mining company Trevali Mining has started an early works programme on its Rosh Pinah 2.0 (RP2.0) mine expansion project, in south western Namibia. The Rosh Pinah underground zinc/lead mine – which is 90%-owned by Trevali and 10%-owned by Namibian broad-based empowerment groupings and an employee empowerment participation scheme – has been in continuous operation since 1969.