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The Silver Series: Who Controls The World’s Supply? (Part 2 of 4)

Courtesy of: Visual Capitalist and Silver.com
 

2015 SILVER SERIES: PART 2 OF 4

“Who Controls The World’s Silver?” Presented by: Silver.com

  1. Volcanogenic Massive Sulphide (VMS) deposits are formed at or near the sea floor by underwater volcanic activity. They can be a significant source of copper, zinc, lead, gold, and silver.
  2. Carbonate hosted deposits are known specifically as Mississippi Valley and Irish types with limestone and dolomite as the most common host rocks. Zinc-lead content is usually 5-10% with concentrations of silver and copper present.
  3. Sedimentary exhalative (Sedex) deposits are formed by release of ore-bearing hydrothermal fluids into water, resulting in the precipitation of metals such as lead, zinc, silver, copper, and gold.
  4. Intrusion related deposits relate to skarns, veins, mantos, high sulphidation, or other related types of deposits. Intrusions are when liquid rock (magma) forms under the Earth’s surface and slowly pushes up into spaces it can find, sometimes pushing country rock away.
  5. Epithermal deposits are created close to surface and are deposited by hot fluids. These occur typically in areas where magmas are able to move high in the Earth’s crust. Gold, silver, copper, and other metals are found in epithermal deposits.

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