High-CO2, acidic and oxygen-starved weathering at the Fennoscandian Shield at the Archean-Proterozoic transitionSoomer, Sigrid; Somelar, Peeter; Mänd, Kaarel; Driese, Steven G.; Lepland, Aivo; Kirsimäe, KallePrecambrian research2019 / p. 68-80 : ill https://doi.org/10.1016/j.precamres.2019.03.001