BGS mineralogy and petrology collection record
| Sample number | E22897; COLLNOKY184; |
|---|---|
| Sample Donor | Kellaway,G.A. |
| Rock name | 'Original entry: Calcite Mudstone, Gypsum' |
| Stratigraphy | Not entered |
| Comments | Shows effect of tunnel weathering |
| Locality details | Clifton Down Tunnel. Manhole no.30 (W end of tunnel) |
| 50k map sheet | Bristol (264) |
| Map reference | ST 575 742 |
| 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
E22897
