| Modal Mineralogical composition | Sample Slide Numbers | |||||||
| SKM 1 | SKM 2-B | SKM 3 | SKM 7-B | SKM 8-A | SKM 8-B | |||
| Quartz | Monocrystalline Quartz | 22 | 25 | 25 | 27 | 25 | 26 | |
|
| Polycrystalline Quartz | 8 | 5 | 2 | 7 | 5 | 5 | |
| Feldspar | Perthite |
| -- | -- | 1 | 1 | -- | -- |
|
| Microcline | 1.5 | -- | 1 | -- | 1 | 2 | |
|
| Microcline-perthite | -- | -- | 1 | -- | 1 | -- | |
|
| Plagioclase | 1.5 | 4 | 2 | 2.5 | 3 | 1 | |
|
|
| Sandstone | 7 | 2 | 4 | 2 | 6 | 4 |
|
| Sedimentary
| Siltstone | 6 | 3 | 3 | 5 | 7 | 6 |
|
| Limestone | 2 | 4 | 2 |
| 2 | 3 | |
| Rock Fragments |
| Quartzite | 2 | 3 | 3 | 3 | 3 | 3 |
| Metamorphic | Slate | 5 | 2 | 4 | 4 | 6 | 3 | |
|
|
| Schist | 4 | 6 | 3 | 3 | 4 | 4 |
|
| Igneous | Volcanic | 4 | 2 | -- | 6 | -- | 6 |
|
| Muscovite |
| 4 | 3 | 3 | 4 | 3 | 3 |
|
| Biotite |
| 3 | 3 | 4 | 5 | 4 | 1 |
| Accessory minerals | Tourmaline |
| 1 | 1 | -- | 1 | -- | -- |
| Chlorite |
| 2 | 1 | -- | -- | 2 | -- | |
| Hematite |
| 2 | 4 | -- | 2 | -- | 1 | |
|
| Sericite |
| -- | -- | -- | 0.5 | -- | -- |
|
| Opaque |
| 16 | 20 | 28 | 15 | 19 | 21 |
| Cementing material | Calcite |
| -- | 2 | 3 | -- | 1 | 1 |
| Hematite |
| -- | 2 | 3 | -- | 1 | 1 | |
| Wacke |
| 7 | 7 | 7 | 8 | 6 | 7 | |