Ochre pigment was widely used in prehistoric rock art for its vivid red color, but little is known about how the paint was made. According to a study published November 19 in Scientific Reports that ...

Ochre was a reddish-brown pigment used in manufacturing paint, oil cloth and linoleum. The Spokane Ochre Mining Co. had purchased a property 19 miles northwest of Springdale, Washington ...

Many prehistoric rituals are also thought to have involved the use of ochre as a body paint, all of which suggests that the substance played an integral role in the development of abstract human ...