BGS mineralogy and petrology collection record
| Sample number | E30776; COLLNOA257; |
|---|---|
| Sample Donor | Blake,J.F. |
| Rock name | Not entered |
| Stratigraphy | Not entered |
| Comments | No.6 |
| Locality details | Penrhyn Quarry., ca 1 mile S of Bethesda. Water Tunnel |
| 50k map sheet | Bangor (106) |
| Map reference | SH 62 65 |
| Year collected | Not entered |
| Bore name | Not applicable |
| Confidentiality | No restrictions |
Petrological thin sections
Links to high resolution images
Transition from XPL to PPL light
E30776
