BGS mineralogy and petrology collection record
| Sample number | E27540; COLLNOJS328; |
|---|---|
| Sample Donor | Stephens,J.V. |
| Rock name | Not entered |
| Stratigraphy | Not entered |
| Comments | Borrowdale Volcanics. 2230 ft. from Portal of Tunnel |
| Locality details | Swindale Tunnels: East Tunnel, from Naddle House East to Swindale Datum. Portal of Tunnel. 830 yds SW of Thornthwaite Hall |
| 50k map sheet | Appleby (30) |
| Map reference | NY 509 152 |
| 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
E27540
