An international research team from Spain and France has carried out the chemical and technological analysis of the largest known collection of red and yellow mineral pigments, commonly called ochre, dated to the Middle Stone Age, between 300,000 and 40,000 years ago, and found at Porc-Epic cave, Ethiopia.
Click here for original story, Pigment production adapted to cultural changes and availability of mineral resources 40,000 years ago in Ethiopia
Source: Phys.org