Stone Age pebble may be oldest engraving ever - Technology & science - Science - DiscoveryNews.com - msnbc.com

Stone Age pebble may be oldest engraving ever - Technology & science - Science - DiscoveryNews.com - msnbc.com: "

http://www.sciencedirect.com/science/article/pii/S0305440311003992

100K, Klasies River Mouth -

d'Errico, F., Moreno, R.G., Rifkin, R.F., 2012. Technological, elemental and colorimetric analysis of an engraved ochre fragment from the Middle Stone Age levels of Klasies River Cave 1, South Africa, Journal of Archaeological Science 39, 942-952.

Scientists concluded that humans intentionally made the sub-parallel linear incisions on this Middle Stone Age ochre pebble.

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