Table T30. Chemical and nuclear parameters for some common minerals.
| Mineral | K (average %) |
Th (ppm) (approx.) |
PEF (barns/e-) |
 f (c.u.) |
APS porosity (%) |
Density (g/cm3) |
|---|---|---|---|---|---|---|
Illite; K1-1.5Al4(Si7-6.5,Al1-1.5)O20(OH8) |
5.2 |
6-12 |
3.03 |
16.74 |
~17 |
2.78 |
Kaolinite; Al4Si4O10(OH)8 |
0.63 |
18-26 |
1.49 |
13.04 |
~34 |
2.62 |
Mg-Chlorite; (Mg,Al)6(Si,Al)4O10(OH)8 |
1.39 |
11.34 |
~35 |
2.65 |
||
Fe-Chlorite; (Fe,Al)6(Si,Al)4O10(OH)8 |
12.36 |
47.44 |
~35 |
3.42 |
||
Glauconite; K(R3+,R2+)2(Si,Al)4O10(OH)2 |
4.5 |
2-8 |
4.79 |
20.89 |
2.85 |
|
Montmorillonite; (Ca,Na)7(Al,Mg,Fe)4 (Si,Al)8O20(OH)4(H2O)n |
0.22 |
10-24 |
1.63 |
8.1 |
~60 |
2.63 |
Quartz; SiO2 |
0 |
0 |
1.81 |
4.55 |
2.65 |
|
Calcite; CaCO3 |
0 |
0 |
5.08 |
7.08 |
2.71 |
|
Plagioclase (Albite); NaAlSiO3 |
1.7 |
7.5 |
-2 |
2.59 |
||
Plagioclase (Anorthite); CaAl2Si2O8 |
3.1 |
7.2 |
2.74 |
|||
K-feldspar; KAlSi3O8 |
13 |
9 |
2.9 |
16 |
2.52 |