BGS mineralogy and petrology collection record
| Sample number | MR14912; F4157; |
|---|---|
| Sample Donor | Not entered |
| Rock name | Porphyry. 'Original entry: Porphyry' |
| Stratigraphy | Not entered |
| Comments | porphyry, ,Collected by W Maunon:M3397 |
| Locality details | Near Sundvollen, W side of Stenofjord, 30km NW of Oslo,surface exposure,Norway |
| 50k map sheet | Not entered |
| Map reference | 60:3,10:18 |
| Year collected | 1935 |
| Bore name | Not applicable |
| Confidentiality | No restrictions |