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Abstract The 2.1 Ga Tulomozero Formation, deposited on the Fennoscandian Shield, consists of shallow marine carbonate and siliciclastic rocks, dissolution breccias and widespread syndepositional… (More)
Abstract Sulfide sulfur isotope values and iron speciation data are reported here for sediments from the 2.0 Ga old Pilgujarvi Sedimentary Formation, Pechenga Greenstone Belt, NW Russia. Sulfides are… (More)
The modern (pre-industrial) ocean is characterised by a concentration of dissolved sulphate of 28 mM with little variability in its horizontal or vertical distribution. This homogeneity is a… (More)
The Archaean-Proterozoic transition is marked by a number of fundamental upheavals in respect to geological, tectonic, geochemical, biological and climatic aspects. Of these, the most significant… (More)