BGS mineralogy and petrology collection record
| Sample number | E11222 |
|---|---|
| Sample Donor | Barrow, G. |
| Rock name | 'Original entry: Glassy Variolite' |
| Stratigraphy | Not entered |
| Comments | G.Barrow Slides presented. Mona Complex. Gwna Beds. See Mem.Geol.of Anglesey.pp.72-73: 355. Pl.V. Fig. 3. Spherulitic. |
| Locality details | Tan-y-Graig. SW.of Pentrarth |
| 50k map sheet | Holyhead (93) |
| Map reference | SH 518 785 |
| 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
E11222
