Evaluation of indigenous concentrations of uranium and thorium in soils of China |
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| Abstract: | Abstract Concentrations of uranium and thorium have been determined for samples of soil from 860 locations in 30 provinces throughout the China. Elevated levels of uranium, thorium, and Th/U as compared with the average world abundance in earth crust were observed. Furthermore, variation of uranium and thorium concentrations with soil types from north towards south China indicates a geochemical weathering pattern and leaching effect on soil development. |
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