Casa options Keaper polymetallic project in British ColumbiaThe optionee must spend $4 million on exploration, pay Casa $550,000 and issue Casa 2.5 million shares in yearly stages.Northern Miner Staff | February 14, 2019 | 2:34 pm
Copper price slides despite Chinese imports at record paceUS-China trade spat benefitting copper miners as tariffs on scrap…Frik Els | February 14, 2019 | 11:28 am
Sierra Metals one step closer to expanding Yauricocha mine in PeruYauricocha's reserves are, in the proven category, 1.8 million tonnes…MINING.COM Staff Writer | February 14, 2019 | 6:58 am