TY - RPRT TI - Micro- to nano-scale investigation of Precambrian metasediments: biogenicity and preservation in the 3.22 Ga Moodies Group (Barberton Greenstone Belt, S. Africa) and the 2.46 Ga Brockman Iron Formation (Hamersley Basin, W. Australia). AU - Bellon, H. AU - Gieraltowski, J. AU - Michaud, F. AU - Simon, G. AU - Cerantola, S. AU - Homann, M. AU - Foster, I. AU - Ballet, P. AU - Lalonde, S. V. PY - 2023 DO - 10.1101/2023.02.08.527618 UR - https://www.biorxiv.org/content/10.1101/2023.02.08.527618v1 ID - 10.1101/2023.02.08.527618 ER -