【摘 要】
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The F/Cl ratio for loess and palcosol has been studied based on the difference in the geochemical behaviour of fluorine and chlorine under hypergene conditions.
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The F/Cl ratio for loess and palcosol has been studied based on the difference in the geochemical behaviour of fluorine and chlorine under hypergene conditions. The variation of F/Cl ratio in the loess section indicates a paleoclimatic evolution from humi
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