This was determined from carbon dating nearby Charcoal Cave no. 1.
Difficulty in carbon dating the laterite rock compounds has posed a problem in determining the exact time period.
It was decided that due to the atmosphere being messed up with due to nuclear testing no carbon dating after the point would be reliable.
Evans did not have carbon dating at his command.
The age of the ivory is being told as around 150,000 years, on bases of carbon dating done in the region in the past.
Difficulty in carbon dating the laterite rock compounds poses problems in determination of exact time period.
Like carbon dating over longer timescales, the uranium clock measures the age of a star.
As the paints made form crushed rock and clay are not organic, it is not possible to use carbon dating to date these pictures.
Nine hundred years is the current estimate, based on carbon dating on fire pits done by the Smithsonian Institute in the sixties.
The carbon dating on both the necklace and the broom yielded inconclusive results.
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