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History of Soda Ash

  • ​​​About 50 million years ago, volcanic activity, decaying plant matter, and climate change caused the evaporation of a large lake, leaving behind the world’s largest trona deposit located in Green River, Wyoming.
  • Ancient Egyptians dug up dry lakebed deposits, using soda ash to make glass ornaments and vessels. Romans used soda ash for baking bread, making glass, and medicinal purposes.
  • Soda ash has been used in manufacturing for over 5,000 years.
  • Up until the 19th century, soda ash was extracted from the ashes of plants that grew in sodium-rich soil.
  • The method was so common, it is how the powder received the name ‘soda ash’.
  • Now mined from trona deposits, soda ash is one of the world’s most abundant natural resources. ​

Soda ash is Wyoming’s top export and is shipped to industries around the world.