Columbian College Researcher Identifies Oldest Textile Dyed Indigo

The indigo-blue cloth found in Peru was determined to be 6,200 years old.
September 14, 2016
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If it weren’t for textile dying advancements made 6,200 years ago, people today might not be wearing blue jeans as a wardrobe staple. Associate Research Professor of Anthropology Jeffrey Splitstoser has identified a 6,200-year-old textile dyed indigo-blue from Huaca, Peru, a piece of dyed cotton produced more than 1,800 years before the previously known oldest textile in that color.

Read more at:
https://gwtoday.gwu.edu/gw-researcher-identifies-oldest-textile-dyed-indigo