BGS mineralogy and petrology collection record
| Sample number | MR8139; F1324; |
|---|---|
| Sample Donor | Not entered |
| Rock name | Andesite, Porphyritic. 'Original entry: Porphyrite' |
| Stratigraphy | Not entered |
| Comments | porphyrite, ,Collected by F Krantz (Bonn):10 |
| Locality details | Keijdrvi, Tammenfors,surface exposure,Finland |
| 50k map sheet | Not entered |
| Map reference | Not entered |
| Year collected | 1931 |
| Bore name | Not applicable |
| Confidentiality | No restrictions |