BGS mineralogy and petrology collection record
| Sample number | S50276; COLLNOYW511; |
|---|---|
| Sample Donor | May,F. |
| Rock name | 'Original entry: Grey Microdiorite' |
| Stratigraphy | Not entered |
| Comments | Grey microdiorite from concordant sheet |
| Locality details | Fora Ness 310 yds N 34 deg W of trig pt. 189 ft |
| 50k map sheet | Central Shetland (128) |
| Map reference | HU 448 477 |
| 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
S50276
