BGS mineralogy and petrology collection record
| Sample number | MR8138; F1323; |
|---|---|
| Sample Donor | Not entered |
| Rock name | Porphyry. 'Original entry: Mica Porphyry' |
| Stratigraphy | Not entered |
| Comments | mica porphyry, ,Collected by F Krantz (Bonn):9 |
| Locality details | Aitoniemi, Messukyld, Tammenfors,surface exposure,Finland |
| 50k map sheet | Not entered |
| Map reference | Not entered |
| Year collected | 1931 |
| Bore name | Not applicable |
| Confidentiality | No restrictions |