Five companies released results from drilling in projects in Mexico during the week: Fortuna Silver, Silver Tiger, Goldgroup Mining, Impact Silver and Prime Mining. Fortuna Silver’s results are from the Yessi vein at its San José mine in Oaxaca, where the company is trying to define the limits of the vein and doing infill drilling for resource estimation. The vein has been defined over 350 m of strike and 450 m down dip, remaining open to the southeast and up and down-dip.

At El Tigre, in Sonora, Silver Tiger is preparing a PFS on the Stockwork deposit focusing on “expanding the Mineral Resource, up-grading the classification, completing metallurgical test work and geotechnical studies”. Also in Sonora, Goldgroup Mining released results from its Cerro Prieto project, where drilling is defining new areas to continue mining along the main shear zone.

Impact Silver presented results from its Plomosas mine, in Chihuahua, where drilling is targeting the Tres Amigos zone and obtaining high-grade results . “Mineralization at the Plomosas mine occurs as zinc-rich Carbonate Replacement zones along certain horizons of the local sedimentary rock sequence. Two main mineralized horizons have provided the bulk of historic production, the Mina Vieja marble and the Juarez limestone, where structural ground preparation along these two units resulted in concentrations of zinc, lead and silver”.

In Sinaloa, Prime Mining reported generative drilling results on Las Primas target, at its Los Reyes project. Mineralization at Las Primas appears in multiple structures displaying pervasive adularia alteration, and a key focus is to identify the main source of mineralizing fluids.