BGS mineralogy and petrology collection record
| Sample number | MR26740 |
|---|---|
| Sample Donor | Goode,A.J.J.; Sanderson,R.W.; |
| Rock name | 'Original entry: Rhyolite' |
| Stratigraphy | Not entered |
| Comments | Banded rhyolite. NGR as in register. |
| Locality details | Quarry name: Old quarry: at On allt Wen 450 yds 68 degrees fromCadel Seion Penmorfa Caernarvonshire |
| 50k map sheet | Snowdon (119) |
| Map reference | SH 553 403 |
| Year collected | 1963 |
| Bore name | Not applicable |
| Confidentiality | No restrictions |