The drop was somewhat surprising given that Teck more than quadrupled its adjusted earnings during the quarter, riding strong operating results for its steelmaking coal segment as well as record zinc production at its Antamina mine in Peru. (fool.com)
Restart of the Myra Falls mine commenced in August 2017 and is progressing in - line with schedule for zinc production by the start of H2 2018 (metalsnews.com)
It appears that the main expansion of the industrial phase of zinc production began at Zawar sometime from 11th or 12th century». (ancient-asia-journal.com)