Silicon and Aluminum Mobility in Soils of Jeju Island, Korea

Figure 2

X-ray diffraction patterns of the clay fraction of selected horizons. AD: air-dried; EG: ethylene glycolated; H: heated at 550°C; Q: quartz; Ch: chlorite; M: mica/illite; Sm: smectite; K: kaolinite; V: vermiculite; G: gibbsite; F: feldspar; Hm: hematite.

(a)

(b)