Table 2.

Fitting parameters a and b for Cs fits by Eqs. (8) and (9) used in the plots shown in Fig. 3. The values for $K_d^{int}$are from Puukko et al. (2018).

	Fitted Eq.	$K_d^{int}$ (m3/kg)	a (m3/kg)	b (-)
PP219_1	Eq. (8)	–	0.140 ± 0.006	0.30 ± 0.05
	Eq. (9)	0.02	0.119 ± 0.007	0.34 ± 0.06
PP219_2	Eq. (8)	–	0.110 ± 0.005	0.38 ± 0.04
	Eq. (9)	0.02	0.089 ± 0.004	0.46 ± 0.05
PP309	Eq. (8)	–	0.043 ± 0.002	0.25 ± 0.05
	Eq. (9)	0.0027	0.040 ± 0.002	0.27 ± 0.06
PP175	Eq. (8)	–	0.60 ± 0.03	0.25 ± 0.03
	Eq. (9)	0.0045	0.55 ± 0.03	0.25 ± 0.03
KR56	Eq. (8)	–	0.102 ± 0.006	0.43 ± 0.03
	Eq. (9)	0.0007	0.101 ± 0.006	0.43 ± 0.03
Biotite, 1×10−4 M	Eq. (8)	–	0.058 ± 0.004	0.21 ± 0.03
Biotite, 1×10−5 M	Eq. (8)	–	0.268 ± 0.009	0.130 ± 0.013
Biotite, 1×10−6 M	Eq. (8)	–	0.38 ± 0.02	0.043 ± 0.03