Enigmatic Green Stones Uncovered in an Isolated Cavern in Spain Could Indicate Prehistoric Humans Engaging with Copper
The discovery challenges the belief that ancient inhabitants of the region spent minimal time at elevated elevations. Mary Randolph | Correspondent May 8, 2026 1:42 p.m. Archaeologists speculate that the green minerals discovered in the cave could be malachite, which is treated to produce copper. Maria D. Guillén / IPHES-CERCA Reaching Cave 338, situated high in the Pyrenees mountains, requires […]