Sierra Madre commences underground development at Nazareno mine in Mexico

Sierra Madre Gold and Silver has commenced underground development at the Nazareno silver and gold mine, part of the La Guitarra silver-gold complex in Estado de Mexico, Mexico. As of now, more than 700 tonnes (t) of mineralised material has been transported from Nazareno to the Guitarra processing plant. Development blasting and detailed mapping at Nazareno has revealed multiple silver and gold-bearing veins converging in this region, creating a zone that spans up to 8m in width. During a reconciliat ...