VMS deposits are rich in sulfide minerals and typically form near the ocean floor where volcanic activity occurs. These deposits, associated with in situ greenstone (a type of metamorphosed ...

gold, here’s a closer look at the compound mineral and the precious metal. Despite its nickname, pyrite has very little in common with gold beyond its metallic luster. Also called iron sulfide ...

Sphalerite: A mineral that is the primary ore of zinc, composed mainly of zinc sulfide. Oxidative Leaching: A leaching process that involves the use of oxidizing agents to enhance the extraction ...