BGS mineralogy and petrology collection record
| Sample number | E37990; COLLNOHF202; |
|---|---|
| Sample Donor | Francis,E.H. |
| Rock name | 'Original entry: Diorite' |
| Stratigraphy | Not entered |
| Comments | Porphyritic Diorite |
| Locality details | Rio Tinto Exploration BH No. LB.7 |
| 50k map sheet | Harlech (135) |
| Map reference | Not entered |
| 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
E37990
