BGS mineralogy and petrology collection record
| Sample number | E4446; NEG369M; |
|---|---|
| Sample Donor | Usher,W.A.E. |
| Rock name | Felsite. 'Original entry: Quartz Porphyry' |
| Stratigraphy | Not entered |
| Comments | L. Devonian |
| Locality details | Withnoe Small Qry |
| 50k map sheet | Plymouth (348) |
| Map reference | SX 404 519 |
| 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
E4446
