L1 /
10
CH3041
Clay soils formed
from igneous rock
from igneous rock
Cairns¯
CLAY WEATHERING
• Clay mineral
composition varies
according to the
precipitation.
according to the
precipitation.
• There is an
inverse
relationship
between
clay particle size
and cation
solubility as
shown
here for a mica.
inverse
relationship
between
clay particle size
and cation
solubility as
shown
here for a mica.
Large particles
>10mm
>10mm
Small particles
<2mm
<2mm
