BGS mineralogy and petrology collection record
| Sample number | E25301; COLLNO13/NE34; |
|---|---|
| Sample Donor | Stevenson,I.P. |
| Rock name | Not entered |
| Stratigraphy | Not entered |
| Comments | Flinty Rhyolite |
| Locality details | S bank of R.Dulyn; 50 yds. NW of Rowlyn-Uchaf; 800 yds WNW of Rowlyn-Isaf |
| 50k map sheet | Bangor (106) |
| Map reference | SH 747 681 |
| 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
E25301
