BGS mineralogy and petrology collection record
| Sample number | E29271 |
|---|---|
| Sample Donor | Lewis,G.D.E. |
| Rock name | Not entered |
| Stratigraphy | Not entered |
| Comments | 2" ? Tonstein parting below uppermost coal in cutting from ? big vein GP., close below Hafod Henlog MB. |
| Locality details | Coal exposed in West bank of cutting leading to Caerphilly Tunnel. |
| 50k map sheet | Newport (249) |
| Map reference | ST 172 860 |
| Year collected | Not entered |
| Bore name | Not applicable |
| Confidentiality | No restrictions |
Petrological thin sections
Links to high resolution images
Transition from XPL to PPL light
E29271
