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

PERU – Sierra Metals of Toronto has discovered a new, high grade sulphide zone 400 metres north of the central Yauricocha mine […]
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 ever found in the mine’s 60-year history. Named the Esperanza zone, here are three exceptional results: hole ESP-14 returned a length weighted average of 3.2% Cu, 1.7% Zn, 0.4% Pb, 1.01 g/t Au, 48.5 g/t Ag over 69.2 metres; hole ESP-15 returned a length weighted average of 1.8% Cu, 3.2% Zn, 1.4% Pb, 0.32 g/t Au, 61.5 g/t Ag over 70.0 metres; and hole ESP-10 returned a length weighted average of 1.1% Cu, 4.9% Zn, 2.2% Pb, 0.25 g/t Au, 61.2 g/t Ag over 70.6 metres. Sierra said the mineralization is hosted by a thick sequence of marble consisting of sulphide replacement and variably altered copper-magnetite skarn (chalcopyrite, bornite, chalcocite, native copper) with extensive lead and zinc sulfide replacement. It occurs adjacent to and along strike from the current underground mining activity and appears to lie below the 870 level. The zone is open along strike at depth. Please see SierraMetals.com for more information about the company’s projects in Peru and Mexico.

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