BGS mineralogy and petrology collection record
| Sample number | MR21689 |
|---|---|
| Sample Donor | Chaperlin,K. |
| Rock name | 'Original entry: Granite' |
| Stratigraphy | Not entered |
| Comments | Contaminated Granite. NGR as in register. |
| Locality details | Quarry name: Caer Glaw Quarry: at Pen y Lon, 1100yd WNW of Gwalchmai Church |
| 50k map sheet | Holyhead (93) |
| Map reference | SH 384 767 |
| Year collected | 1958 |
| Bore name | Not applicable |
| Confidentiality | No restrictions |