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Latest News [ Back To News Index ] For more news articles click the News Index link above. Blombos Cave : 77,000 years old Small and portable, this red ochre stone is engraved with what must be "tally" marks. It is one of two such stones recently found in the Blombos Cave in South Africa and have been dated as being 77,000 years old, making them the oldest form of recorded counting ever found. The stone is worn which probably indicated that it wasconstantly handled over a period of time, how long is impossible to tell. It looks as though the stone has been reused at least once before as the lighter marks appear to have been erased rather than worn away naturally. If the dating is accurate this stone was used 5000 years before the Mount Toba eruption of 71,000 years ago. The evidence from the Toba eruption indicates that the world's population of Modern Manwas reduced to a total of around 10,000 adults. The Mount Toba eruption  [ Back To News Index ] |
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