Lead and lead isotopes in agricultural soils of Europe - The continental perspective - BRGM - Bureau de recherches géologiques et minières Access content directly
Journal Articles Applied Geochemistry Year : 2012

Lead and lead isotopes in agricultural soils of Europe - The continental perspective

Abstract

Lead isotopes are widely used for age dating, for tracking sources of melts, sediments, Pb products, food and animals and for studying atmospheric Pb contamination. For the first time, amap of a Pb isotope landscape at the continental-scale is presented. Agricultural soil samples (A(p)-horizon, 0-20 cm) collected at an average density of 1 site/2500 km(2) were analysed for Pb concentration and Pb isotopes (Pb-206, Pb-207, Pb-208). Lead concentrations vary from 1.6 to 1309 mg/kg, with a median of 16 mg/kg. Isotopic ratios of Pb-206/Pb-207 range from 1.116 to 1.727 with a median of 1.202. The new data define the soil geochemical Pb background for European agricultural soil, providing crucial information for geological, environmental and forensic sciences, public health, environmental policy and mineral exploration. The European continental-scale patterns of Pb concentrations and Pb isotopes show a high variability dominated by geology and influenced by climate. Lead concentration anomalies mark most of the known mineralised areas throughout Europe. Some local Pb anomalies have a distinct anthropogenic origin.

Dates and versions

hal-00863073 , version 1 (18-09-2013)

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Clemens Reimann, Belinda Flem, Karl Fabian, Manfred Birke, Anna Ladenberger, et al.. Lead and lead isotopes in agricultural soils of Europe - The continental perspective. Applied Geochemistry, 2012, 27 (3), pp.532-542. ⟨10.1016/j.apgeochem.2011.12.012⟩. ⟨hal-00863073⟩

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