BGS mineralogy and petrology collection record
| Sample number | MR8577; F1729; |
|---|---|
| Sample Donor | Not entered |
| Rock name | Porphyry. 'Original entry: Porphyry' |
| Stratigraphy | Not entered |
| Comments | porphyry, ,Collected by F Krantz (Bonn):93 |
| Locality details | Between Esgravatadouna and Fornalhas,surface exposure,Portugal |
| 50k map sheet | Not entered |
| Map reference | Not entered |
| Year collected | Not entered |
| Bore name | Not applicable |
| Confidentiality | No restrictions |