BGS mineralogy and petrology collection record
| Sample number | E12192; COLLNOL7; |
|---|---|
| Sample Donor | Matley, C.A |
| Rock name | Not entered |
| Stratigraphy | Not entered |
| Comments | Contact altered shale below dolerite sill. |
| Locality details | Porth Mewdy. |
| 50k map sheet | Nefyn (118) |
| 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
E12192
