[Rockhounds] Paleoindian ochre mines of the Yucatán,Peninsula, Mexico

[Paul]

Ancient 12,000-Year-Old Mine Discovered in Underwater
Caves on Mexican Coast, Peter Drockrill, Science Alert
https://www.sciencealert.com/ancient-12-000-year-old-mine-discovered-in-underwater-caves-on-mexican-coast

Underwater caves once hosted the Americas’ oldest
known ochre mines. Now-submerged Mexican caves
hold signs of red pigment extraction as early as 12,000
years ago, Bruce Bower, Science News, July 3, 2020
https://www.sciencenews.org/article/underwater-caves-ochre-mines-yucatan-peninsula

The paper is;

MacDonald, B.L., Chatters, J.C., Reinhardt, E.G., Devos,
F., Meacham, S., Rissolo, D., Rock, B., Le Maillot, C.,
Stalla, D., Marino, M.D. and Lo, E., 2020. Paleoindian
ochre mines in the submerged caves of the Yucatán
Peninsula, Quintana Roo, Mexico. Science Advances, 6(27), p.eaba1219.
https://advances.sciencemag.org/content/6/27/eaba1219

Yours,

Paul H.