Whole-rock powder XRD and 2-ethoxyethanol total surface area data for samples in this report. Two sub-samples were taken and analysed from BC5 and ES1 to examine the variability of natural material
| Sample name | Mineral (wt%) | Total surface area (m2/g) | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| quartz | plagioclase | Kfeldspar | cristobalite | 'mica' | smectite | I/S | kaolinite | chlorite | calcite | dolomite | pyrite | ||
| BC1 | — | — | — | — | — | — | — | — | — | — | — | — | — |
| BC2 | 33.3 | 3.8 | 5.9 | nd | 46.2 | nd | nd | 6.7 | <0.5 | <0.5 | nd | 2.2 | 251 |
| BC3 | — | — | — | — | — | — | — | — | — | — | — | — | — |
| SM1 | 24.9 | 6.3 | 5.3 | nd | 18.4 | nd | 36.9 | 7.5 | nd | <0.5 | nd | 0.2 | 319 |
| BC4 | 36.0 | 2.1 | 8.9 | nd | 14.1 | nd | 20.9 | 7.1 | 1.2 | nd | <0.5 | 9.2 | 192 |
| BC5 | 37.1 | 3.3 | 8.7 | nd | 11.0 | nd | 25.3 | 8.8 | 1.5 | nd | <0.5 | 4.0 | 203 |
| 30.9 | 1.7 | 4.0 | nd | 19.7 | nd | 28.4 | 13.4 | <0.5 | <0.5 | nd | 0.9 | 259 | |
| ES1 | 78.3 | 3.1 | 6.2 | nd | nd | nd | 10.5 | nd | 1.1 | nd | 0.6 | <0.5 | 145 |
| 61.2 | 0.6 | 8.3 | nd | 12.4 | nd | 16.7 | <0.5 | <0.5 | nd | <0.5 | <0.5 | 68 | |
| SM2 | 18.1 | 7.9 | 3.7 | nd | 11.0 | 44.8 | nd | 13.5 | nd | 0.7 | nd | <0.5 | 450 |
| SM3 | 63.9 | 4.2 | nd | nd | 5.6 | 22.6 | nd | 3.7 | nd | nd | nd | <0.5 | 191 |
| SM4 | 16.5 | 3.0 | 0.8 | nd | 43.3 | 33.6 | nd | 2.8 | nd | <0.5 | nd | nd | 245 |
| SM5 | 64.7 | 4.6 | nd | nd | 5.0 | 22.5 | nd | 3.1 | nd | nd | nd | <0.5 | 194 |
| SM6 | 43.7 | 4.0 | nd | 0.6 | 26.4 | 23.3 | nd | 1.9 | nd | nd | nd | <0.5 | 189 |
| Sample name | Mineral (wt%) | Total surface area (m2/g) | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| BC1 | — | — | — | — | — | — | — | — | — | — | — | — | — |
| BC2 | 33.3 | 3.8 | 5.9 | nd | 46.2 | nd | nd | 6.7 | <0.5 | <0.5 | nd | 2.2 | 251 |
| BC3 | — | — | — | — | — | — | — | — | — | — | — | — | — |
| SM1 | 24.9 | 6.3 | 5.3 | nd | 18.4 | nd | 36.9 | 7.5 | nd | <0.5 | nd | 0.2 | 319 |
| BC4 | 36.0 | 2.1 | 8.9 | nd | 14.1 | nd | 20.9 | 7.1 | 1.2 | nd | <0.5 | 9.2 | 192 |
| BC5 | 37.1 | 3.3 | 8.7 | nd | 11.0 | nd | 25.3 | 8.8 | 1.5 | nd | <0.5 | 4.0 | 203 |
| 30.9 | 1.7 | 4.0 | nd | 19.7 | nd | 28.4 | 13.4 | <0.5 | <0.5 | nd | 0.9 | 259 | |
| ES1 | 78.3 | 3.1 | 6.2 | nd | nd | nd | 10.5 | nd | 1.1 | nd | 0.6 | <0.5 | 145 |
| 61.2 | 0.6 | 8.3 | nd | 12.4 | nd | 16.7 | <0.5 | <0.5 | nd | <0.5 | <0.5 | 68 | |
| SM2 | 18.1 | 7.9 | 3.7 | nd | 11.0 | 44.8 | nd | 13.5 | nd | 0.7 | nd | <0.5 | 450 |
| SM3 | 63.9 | 4.2 | nd | nd | 5.6 | 22.6 | nd | 3.7 | nd | nd | nd | <0.5 | 191 |
| SM4 | 16.5 | 3.0 | 0.8 | nd | 43.3 | 33.6 | nd | 2.8 | nd | <0.5 | nd | nd | 245 |
| SM5 | 64.7 | 4.6 | nd | nd | 5.0 | 22.5 | nd | 3.1 | nd | nd | nd | <0.5 | 194 |
| SM6 | 43.7 | 4.0 | nd | 0.6 | 26.4 | 23.3 | nd | 1.9 | nd | nd | nd | <0.5 | 189 |
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