| Reference | M4 |
| NAME | Elterwater H |
| TYPE | Slate |
| GEOLOGY | Ordovician. Borrowdale Volcanics Series |
| COUNTY | Cumbria |
| COLOUR | Pale green with veining |
| TEXTURE | Bedded angular fragments of varying size in fine grained matrix |
| BLOCK SIZE LXBXH (mm) | 1500x900mm |
| SUITABILITY | Roofing, cladding, paving, cills, copings and fireplaces |
| USES (1) | |
| USES (2) | |
| USES (3) | |
| USES (4) | |
| Stone Names | Seathwaite Fell Sandstone Formation |
| Intro: Elterwater (M4) Lake District Slates – Stone Library (shu.ac.uk) |
| Intro: Elterwater (M5) Lake District Slates – Stone Library (shu.ac.uk) |