COPPER-ZINC: Drilling at Yauricocha mine yields thickest ever high grade intercepts

January 28, 2016 by Canadian Mining Journal

PERU – Sierra Metals of Toronto has discovered a new, high grade sulphide zone 400 metres north of the central Yauricocha mine area 150 km southeast of Lima. With widths of nearly 70 metres, this is the thickest such zone…