At the previous Hirshey mine close to Hope, mineralization included gold with arsenopyrite (arsenic sulfide), galena (lead sulfide), sphalerite (zinc sulfide), pyrite (iron sulfide) and chalcopyrite (copper-iron sulfide) in quartz, calcite, ankerite gangue (gangue is waste materials). Free gold was identified in quartz with galena and sphalerite. Placers were also found within the Yentna-Cache Creek...