Eggenkamp, H.G.M; Louvat, P.; Agrinier, P.; Bonifacie, M.; Bekker, Andrey; Krupenik, V.; Griffioen, J.; Horita, J.; Brocks, Jochen; Bagheri, R.
We determined the chlorine and bromine isotope compositions of 83 halite samples from nine different geological periods
between the Orosirian and the present in order to study the secular Cl and Br isotope variations in the ocean during the last 2
billion years. Relatively large Cl (-0.24 to +0.51‰ vs. SMOC) and Br (-0.24 to +1.08‰ vs. SMOB) isotope variations are
found in these halite samples. Two different methods, one in which the isotope fractionation between the brine and the salt...[Show more]
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