A program of exploration at its Alturas antimony project in Canada has enabled Equinox Resources Ltd (ASX:EQN) to define a 1.5 kilometre shear zone, featuring widths of 5 to 25 metres – which has the potential to significantly expand the mineralisation there. Equinox has been conducting prospecting and mapping work at the project – located in the Slocan Mining Division of British Colombia – where it mapped the shear zone body, and found other indications of high-grade antimony. The latter included historical workings which showed the presence of high-grade stibnite mineralisation – including s…