BGS mineralogy and petrology collection record
| Sample number | MR660; COLLNO12; |
|---|---|
| Sample Donor | Not entered |
| Rock name | 'Original entry: Rhyolite' |
| Stratigraphy | Not entered |
| Comments | Conglomerate with fused base. Barmouth Beds. 29/40, a/94. |
| Locality details | NE side of Llyn Padarn, Llanberis, Caernarvonshire |
| 50k map sheet | Bangor (106) |
| Map reference | SH 56 62 |
| Year collected | Not entered |
| Bore name | Not applicable |
| Confidentiality | No restrictions |