This process could explain why large gold nuggets are so often associated with quartz veins found in tectonically active areas or even rocks shattered by earthquakes. “In essence, the quartz ...

Mineralized samples were hosted in sheared rock and quartz veins with associated sulphide ... about 0.5% fine grained pyrite associated with mafic volcanics. Sample of just the carbonate-altered ...

intersected three distinct zones of vein and sheared mafic volcanics, resulting in: 0.136 g/t Au over 0.5m from 52m in scattered quartz veinlets within mafic volcanics 0.524 g/t Au over 0.5m from ...