BGS mineralogy and petrology collection record
| Sample number | E1640 |
|---|---|
| Sample Donor | Geikie,A.; Teall, J.J.H.; |
| Rock name | 'Original entry: Qtz-Felspathic Grit' |
| Stratigraphy | Not entered |
| Comments | Ordovician. Aranig. See Mem.Geol.of Anglesey p.466 c of E.8469. Feldspar broken & matrix highly sheared |
| Locality details | S.of Porth y Corwgl |
| 50k map sheet | Holyhead (93) |
| Map reference | SH 483 926 |
| Year collected | Not entered |
| Bore name | Not applicable |
| Confidentiality | No restrictions |