/newsroom/ en /newsroom/news/list/2024/06/12/a-mountainous-mystery-uncovered-in-sas-pink-sands Deposits of deep-pink sand washing up on South Australian shores shed new light on when the Australian tectonic plate began to subduct beneath the Pacific plate, as well as the presence of previously unknown ancient Antarctic mountains. June 12 2024 Johnny von Einem /newsroom/news/list/2024/06/12/a-mountainous-mystery-uncovered-in-sas-pink-sands