TSX-listed Capstone Mining produced 155.2-million pounds of copper in 2018, in line with expectations, and has set its 2019 output guidance at between 145-million and 160-million pounds of copper at a C1 cash cost of between $1.80/lb and $2/lb. During this year, the Canadian base metals miner expects to complete a scoping level study at its Pinto Valley openpit copper operation, in the US, to examine the potential economics of the overall reserve and resource base.