%0 Journal Article
%9 ACL : Articles dans des revues avec comité de lecture répertoriées par l'AERES
%A Pelt, E.
%A Chabaux, F.
%A Stille, P.
%A Innocent, C.
%A Ghaleb, B.
%A Gérard, Martine
%A Guntzer, F.
%T Atmospheric dust contribution to the budget of U-series nuclides in soils from the Mount Cameroon volcano
%D 2013
%L fdi:010060806
%G ENG
%J Chemical Geology
%@ 0009-2541
%K Aeolian dust deposit ; U-series nuclides ; Basalt weathering ; Mount ; Cameroon volcano
%K CAMEROUN MONT
%M ISI:000317163200011
%P 147-157
%R 10.1016/j.chemgeo.2013.01.008
%U https://www.documentation.ird.fr/hor/fdi:010060806
%> https://www.documentation.ird.fr/intranet/publi/2013/05/010060806.pdf
%V 341
%W Horizon (IRD)
%X The atmospheric dust contribution to U-series nuclides in soils is evaluated by analyzing two soil and paleo-soil (<10 ka) profiles from the Mount Cameroon volcano where Sr-Nd-Pb fingerprints are clearly affected by Saharan dust accretion. The comparison of measured U-series disequilibria between bulk soils and associated parent lavas suggests that dust inputs can contribute up to 25% of the U and Th budget in soils whereas chemical weathering affects a maximum of 7% of the U budget. The uniform U-Th isotopic composition of the Saharan dust end-member inferred from the soils and the paleo-soils suggests a relative stability of the Saharan dust isotopic composition during the last 10 ka.
%$ 064