BGS mineralogy and petrology collection record
| Sample number | E421 |
|---|---|
| Sample Donor | Geikie,A. |
| Rock name | 'Original entry: Quartz Porphyry (Granophyrinc Groundmass)' |
| Stratigraphy | Not entered |
| Comments | Not entered |
| Locality details | Trepewit, St. Davids. |
| 50k map sheet | St. Davids (209) |
| Map reference | |
| 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
E421
