Minimum Grain Size Limit for Paleomagnetically Stable Goethite. - Jiang, Zhaoxia; Song, Haonan; Roberts, Andrew P.; Barrón, Vidal; Torrent, José; Dekkers, Mark J.; Li, Sanzhong; Zhang, Yuzhen; Zhang, Jianli; Zhou, Liang; Chen, Yuying; Liu, Qingsong (Journal of Geophysical Research. Solid Earth, 2026)