BGS mineralogy and petrology collection record
| Sample number | E12159; COLLNOMG21; |
|---|---|
| Sample Donor | Greenly,E. |
| Rock name | 'Original entry: Porphyritic Diorite' |
| Stratigraphy | Not entered |
| Comments | Augen structure in gneisses. |
| Locality details | Llangwnal. Stream section. |
| 50k map sheet | Aberdaron and Bardsey Island (133)
View images in GeoScenic related to 'Aberdaron and Bardsey Island' |
| Map reference | |
| 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
E12159
