Tom Metcalfe is a freelance journalist and regular Live Science contributor who is based in London in the United Kingdom. Tom writes mainly about science, space, archaeology, the Earth and the oceans. He has also written for the BBC, NBC News, National Geographic, Scientific American, Air & Space, and many others.
Cave art of a lion with a luscious mane drawn deep in a Puerto Rican cave about 500 years ago might have been created by an enslaved African, new research suggests.
The idea was controversial, Acosta-Colón said."But the age of the art is around 1500," he said."We have data to corroborate what, I think, is one of the first slave art in caves in Puerto Rico." To acquire more accurate dates, Acosta-Colón and Rodríguez took samples of 61 pigments used to make drawings in 11 caves on La Isla Grande, Puerto Rico's main island. The sampling destroys a tiny part of the drawing — between 1 and 2 milligrams of the pigment — so the researchers were careful to sample only cave art that was commonly seen.
Meanwhile, the last phase continued through the period of European colonization after about 1500 and included pictures of horses, ships and other animals, such as the lion. He thinks further research could push back the record of human history on the island to around 7,000 years ago. Recent research found some of the human remains from Puerto Rico were up to 3,800 years old.
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