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Approximate age:99,000 years old=average of minimum (0.094 Ma) and maximum (0.104 Ma)
Date based on: Optically stimulated luminescence (OSL) See map of sites with similar ages
Dating reference: Jacobs, Z., Duller, G. A. T., Wintle, A. G., & Henshilwood, C. S. (2006). Extending the chronology of deposits at Blombos Cave, South Africa, back to 140ka using optical dating of single and multiple grains of quartz. Journal of human evolution, 51(3), 255-273.
Hominids:
Archaeology:Late Stone Age (LSA)/Upper Paleolithic Evidence for symbolic thought
Important specimens: Early ochre use, engraving. Evidence that pigments were mixed like paints in seashells.
Notes: Henshilwood, C. S., d'Errico, F., & Watts, I. (2009). Engraved ochres from the Middle Stone Age levels at Blombos Cave, South Africa. Journal of Human Evolution.
Location: M3 level, South Africa
Map location/coordinates reference: Coordinates derived from photographs taken at cave site.
Key references: Henshilwood, C. S., Francesco d?Errico, Karen L. van Niekerk, Yvan Coquinot, Zenobia Jacobs, Stein-Erik Lauritzen, et al. (2011). A 100,000-Year-Old Ochre-Processing Workshop at Blombos Cave, South Africa. Science, 334(6053), 219-222.
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