Superpositions and superimpositions in rock art studies: Reading the rock face at Pundawar Manbur, Kimberley, northwest Australia

•The first detailed recording of a large rock art site from Australia’s Kimberley region.•Harris Matrices following digital enhancement of a Kimberley rockshelter wall.•The incidence of superimpositions as re-engagements with rock art through time.•Targetted battering of rock art following the Gwion period.•Regional ethnographic evidence for the likely reasons why the rock art was battered.