Shale data table
| Family: |
Sedimentary |
| Formation: | Formed from mud laid down in layers. |
| Texture: | Fine grained: individual grains are not visible to the naked eye. |
| Colour: | Many different shades of grey. |
| Location: | County Down. |
| Uses: | Road building. |
| Chemistry: | None. |
| Notes: | Becomes slate when metamorphosed. |