BGS mineralogy and petrology collection record
| Sample number | E12219; COLLNOL35; |
|---|---|
| Sample Donor | Matley, C.A |
| Rock name | 'Original entry: Siliceous Rocks With (? Siderite)' |
| Stratigraphy | Not entered |
| Comments | Chert band in green slate series. |
| Locality details | Porth Within. |
| 50k map sheet | Nefyn (118) |
| Map reference | Not entered |
| 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
E12219
