Photoplates of El Cura drillcore as described in this release: A: EC099 polymetallic massive sulphide with sphalerite and galena-rich millimetric to centimetric veinlets. B: EC101 chalcopyrite-rich veins and crystals with minor pyrite in a silicified acid tuff. C: EC102 polymetallic massive sulphide with chalcopyrite in millimetric crystals with sphalerite and galena-rich millimetric to centimetric veinlets.