In collaboration with Traditional Owners, archaeologists have documented a spectacular new rock art gallery in the rugged interiors of Arnhem Land. The site features extensive panels of abstract geometric motifs—including concentric circles and interlaced lines—dated to approximately 45,000 years ago using uranium-series dating of mineral crusts.
This discovery pushes back the timeline for the development of complex symbolic communication in Australia. Researchers believe these symbols may have served as territorial markers or mnemonic devices for recording oral histories, representing a sophisticated cognitive milestone for the continent's earliest human inhabitants.