Figure 3
Relative content of clay minerals of studied upland soils derived from different parent materials (Kao: kaolinite;Â It: illite;Â V: vermiculite;Â I/S: illite/smectite mixed-layer mineral;Â I/V: illite/vermiculite mixed-layer mineral; GR: granite; LS: limestone; QRC: Quaternary red clay; SS: slate and shale; SDS: sandstone).
