Mineral

Parameter

Control-clay

Pb-clay

P-Pb-clay

Montmorillonite

X_m

144.9

384.6

140.8

K

0.002

0.0485

0.005

R²

0.94

0.99

0.88

Allophane

X_m

322.6

416.7

222.2

K

0.01

0.0279

0.0032

R²

0.98

0.99

0.97

Kaolinite

X_m

106.4

122.0

145

K

0.009

0.0217

0.014

R²

0.97

0.97

0.97