Source
The source of sulfur and metals within carbonate-hosted lead-zinc ore deposits is the host carbonate sequence where diagenetic recrystallisation of low-temperature aragonite into a higher-temperature calcite form prompts adsorbed zinc to be metamorphically ejected from the crystal lattice of the carbonate minerals. The zinc then enters the formational solutions and typically forms a chelated bond with hydrocarbons which typically contain sulfur.
Read more about this topic: Carbonate Hosted Lead Zinc Ore Deposits
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