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The Fe-flux budget of the meromictic crater Lac Pavin (French Massif Central) is re-evaluated in the light of new results from detailed sediment investigations (geochemistry, sedimentology, pollen, varve counting). Sedimentation of Lac Pavin during the last 700 years is characterised by high net accumulation of biogenic silica (100–500 g m −2 yr −1 SiO 2 ) and autochthonous...
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