Dating a sedimentary manganese ore deposit using U-Pb geochronology of hausmannite (Mn3O4) by LA-ICP-MS: An example from Heqing Mn deposit, Yunnan Province, Southwestern China

• Published in: Ore geology reviews Vol. 183; p. 106711
• Main Authors: Li, Wen-Tian, Jiang, Shao-Yong, Su, Hui-Min, Huang, Qin, Pi, Dao-Hui, Wang, Wei, Xiao, Shugang
• Format: Journal Article
• Language: English
• Published: Elsevier B.V 01.08.2025
• Subjects: LA-ICP-MS; Mn oxides; Sedimentary Mn deposits; U-Pb dating; LA-ICP-MS; Sedimentary Mn deposits; Mn oxides; U-Pb dating

[Display omitted] •We developed an in-situ U-Pb dating method for Mn oxides.•Heqing Mn deposit shows a hausmannite 207Pb-corrected age of 229 ± 4.5 Ma.•This method can be applied to investigate global sedimentary Mn deposits throughout geological history. Accurately dating sedimentary manganese (Mn)...