Alpayana completed the acquisition of Sierra Metals for CAD180m.

Alpayana, a mining group committed to promoting sustainable mining, completed the acquisition of Sierra Metals, a mining company focused on copper production with additional base and precious metals, for CAD180m. Sierra, headquartered in Vancouver, British Columbia, is a Canadian mining company focused on copper production with additional base and precious metals by-product credits at its Yauricocha Mine in Peru and Bolivar Mine in Mexico.