BGS mineralogy and petrology collection record
| Sample number | E49758; COLLNODB5; |
|---|---|
| Sample Donor | Lynas,B.D.T. |
| Rock name | Not entered |
| Stratigraphy | Not entered |
| Comments | Variety of porphyry; Qrtz-feldspar intergrowth |
| Locality details | 140 m SE of Old Mantlet in Cwm Dwythwch |
| 50k map sheet | Bangor (106) |
| Map reference | SH 5682 5693 |
| 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
E49758
