BGS mineralogy and petrology collection record
| Sample number | MR9311 |
|---|---|
| Sample Donor | Not entered |
| Rock name | Felsite. 'Original entry: Felsite' |
| Stratigraphy | Not entered |
| Comments | Felsite,Collected byTG Jones J732 |
| Locality details | disused quarry at Pen-y-chan, 4 miles E of Pwllheli, |
| 50k map sheet | Pwllheli (134) |
| Map reference | |
| Year collected | 1932 |
| Bore name | Not applicable |
| Confidentiality | No restrictions |