Strong magnetism and geochemical characteristics of sediment in Challenger Deep and their indications for sources - KaiWei Wang; YongHong Wang; QiuYu Yue; XiaoHua Zhang; JiWen Liu; Chunhui Xiao; Toshiya Kanamatsu; Michael Strasser; Rui Bao (Deep Sea Research Part I: Oceanographic Research Papers, 2025)