Fig. 10From: Formation and decay of peat bogs in the vegetable belt of SwitzerlandChemical weathering indices a at site 1 (former lake) and b at site 4 (plain; Grosses Moos). Primitive mantle (Sun and McDonough 1989) normalised data of trace elements as a function of time (interpolated data from the measured 14C data; see Fig. 6) c at site 1 (former lake) and d at site 4 (plain). The ages are interpolatedBack to article page