A diver collecting samples in the ocher mine
An ancient ocher mine discovered in submerged caves on Mexico's Yucatan Peninsula has given insights into the lives of some of the first inhabitants of the Americas. The site goes back around 12,000 years.
Researchers in Mexico have published findings over a huge ancient ocher mine lying in caves filled with water beneath Yucatan Pensinsula.
In an article published on Friday in the journal Science Advances, scientists said more than 100 dives totaling more than 600 hours had been carried out at the site, during which a large number of mining artifacts were discovered. Divers explored some 4.3 miles (7 km) of subterranean passages in three separate cave systems.
Operations to mine ocher at the site in what is now Quintana Roo state began some 12,000 years ago, as human populations first spread through the region, and went on for about 2,000 years.
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