Sample | ID # | Fraction | Smectite | Illite | Chlorite | Quartz | Plagioclase | K-feldspar |
---|---|---|---|---|---|---|---|---|
 |  | (µm) | (%) | (%) | (%) | (%) | (%) | (%) |
Atera 1 | 3369 |  < 2 | 44 | 27 | - | 10 | 14 | 5 |
 |  | 2 – 6 | 22 | 20 | - | 21 | 31 | 6 |
 |  | 6 – 10 | 13 | 12 | - | 31 | 35 | 8 |
Atera 2 | 3370 |  < 2 | 57 | 30 | - | 5 | 5 | 3 |
 |  | 2–6 | 43 | 17 | - | 18 | 18 | 4 |
Kawaue 1 | 3367 |  < 2 | 9 | 33 | - | 20 | 28 | 11 |
Tsukechi River 1 | 3510 | WR | - | - | 6 | 39 | 51 | 5 |