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Stone Age colour and glue factory found

A 58,000-year-old Red Ochre and glue factory has been found in South Africa.

A once-thriving 58,000-year-old ochre powder production site has just been discovered in South Africa. The discovery offers a glimpse of what early humans valued and used in their everyday lives.

The finding, which will be described in the Journal of Archaeological Science, also marks the first time that any Stone Age site has yielded evidence for ochre powder processing on cemented hearths — an innovation for the period. A clever caveman must have figured out that white ash from hearths can cement and become rock hard, providing a sturdy work surface.

“Ochre occurs in a range of colors that includes orange, red, yellow, brown and shades of these colors,” project leader Lyn Wadley told Discovery News. “Yellow and brown ochre can be transformed to red by heating them at temperatures as low as 250 degrees Celsius (482 degrees Fahrenheit).”

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