On a journey through Chile, Sebastián Ureta gives a thick description of Anthropocene landscapes in which the never-ending pursuit of mineral value extraction leads to environmental devastation and long-term damage of health and well-being. In his multi-part presentation, tailings enact a “geological now” in mining regions, an anthropogenic stratigraphy based not on the remains of large cities or infrastructures, but on vast, stratified dumps of chemical residues that largely outlive their creators.