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Geochemistry of the Major and Trace Elements in a Soil Profile of the Hyangdeung Area, Gwangju City, Korea  

Shin, In-Hyun (Department of Earth Sciences, Chosun University)
Ahn, Kun-Sang (Department of Earth Sciences, Chosun University)
Kang, Jong-Hyun (Department of Earth Sciences, Chosun University)
Publication Information
Journal of the Korean earth science society / v.26, no.8, 2005 , pp. 800-808 More about this Journal
Abstract
Elemental mobility during the weathering of granite in the Gwangju Hyangdeung area was investigated using ICP-MS analysis. It appeared that Al, Fe, Ti, K were lost from the profile, whereas Si, Ca, Na Mg, P and Mn were immobile during chemical weathering. In less weathered soil, large enrichment of K and Ti were found relative to Al, whereas other elements such as Si, Ca, Na, Mg and P are deplete. Fe content is constant throughout the weathered profiles. Amounts of Rb, Sr, Y, Cs, Pb, Th and U increased toward the surface. Nb, and Co have accumulated in the deepest parts of the weathered soil profile. These results agree with similar published studies. In addition, the analytical data shows that Ba and Ga increased, while Cu, Zn, Cr and Ni were relatively constant in this area. REE tend to increase in most samples, while LREEs, relative to Al, were enriched in the lower and upper saprolite. HREEs were enriched in the lower and upper saprolite.
Keywords
soil profile; weathering; elemental mobility; granite; geochemistry;
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