Iwastheone shared this article from CBS News:
Experts and cave divers in Mexico’s Yucatan peninsula have found ocher mines that are some of the oldest on the continent. Ancient skeletons were found in the narrow, twisting labyrinths of now-submerged sinkhole caves… The discovery of remains of human-set fires, stacked mining debris, simple stone tools, navigational aids and digging sites suggest humans went into the caves around 10,000 to 12,000 years ago, seeking iron-rich red ocher, which early peoples in the Americas prized for decoration and rituals. Such pigments were used in cave paintings, rock art, burials and other structures among early peoples around the globe.
The early miners apparently brought torches or firewood to light their work, and broke off pieces of stalagmites to pound out the ocher. They left smoke marks on the roof of the caves that are still visible today…
The research was published Friday in the journal Science Advances… “Now, for the first time we know why the people of this time would undertake the enormous risk and effort to explore these treacherous caves,” said CINDAQ founder Sam Meacham. At least one reason, Meacham said, was to prospect and mine red ocher.
of this story at Slashdot.
Source:: Slashdot