BGS mineralogy and petrology collection record
| Sample number | E25372; COLLNO8; |
|---|---|
| Sample Donor | Hoare,R.H. |
| Rock name | Tuff. 'Original entry: Crystal Tuff' |
| Stratigraphy | Not entered |
| Comments | Not entered |
| Locality details | Trecastell Lead Mine. No.4 Borehole (1953) |
| 50k map sheet | Bangor (106) |
| Map reference | SH 763 745 |
| Year collected | Not entered |
| Bore name | Trecastell Lead Mines No.4 |
| Confidentiality | No restrictions |
Petrological thin sections
Links to high resolution images
Transition from XPL to PPL light
E25372
