BGS mineralogy and petrology collection record
| Sample number | MR21139; COLLNOJ573; |
|---|---|
| Sample Donor | Jones,T.G. |
| Rock name | 'Original entry: Massive Rhyolite' |
| Stratigraphy | Not entered |
| Comments | Not entered |
| Locality details | Small round hump, 100yds N of Curig Hill |
| 50k map sheet | Bangor (106) |
| Map reference | SH 724 582 |
| Year collected | Not entered |
| Bore name | Not applicable |
| Confidentiality | No restrictions |