BGS mineralogy and petrology collection record
| Sample number | E38921; COLLNOMH180; |
|---|---|
| Sample Donor | Howells,M.F. |
| Rock name | Not entered |
| Stratigraphy | Not entered |
| Comments | Muddy crystal tuff |
| Locality details | SW of Bwlch y Gwynt |
| 50k map sheet | Bangor (106) |
| Map reference | SH 7722 6060 |
| 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
E38921
