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Occurrence of fine chlorite (<0.2m) and its significance in the soils from the Ulsan area, Korea

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Abstract:

Well crystallized chlorite has been detected in a Typic Hapludult developed on quartz porphyry at Ulsan, Korea, after treatment of the <0.2 m fraction with a high-gradient magnetic separation (HGMS) technique. The X-ray diffraction (XRD) characteristics of the chlorite suggest that it is an Fe-rich variety and this was confirmed by energy dispersive spectroscopy (EDS) analysis. The chlorite could not be detected with certainty in the <2 m fraction but is clearly present throughout the soil profile in the <0.2 m fraction. It is suggested that this chlorite is residual inherited chlorite, the rest of which has dissolved in the acidic environment (pH 4-5).

Document Type: Research Article

DOI: https://doi.org/10.1180/000985599546424

Publication date: 1999-12-01

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