BGS mineralogy and petrology collection record
| Sample number | E18151; COLLNORB1640; |
|---|---|
| Sample Donor | Road Board |
| Rock name | Andesite. 'Original entry: Porphyrite' |
| Stratigraphy | Not entered |
| Comments | Sample No. 2. |
| Locality details | Llangannock Parish. |
| 50k map sheet | Carmarthen (229) |
| 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
E18151
