BGS mineralogy and petrology collection record
| Sample number | MR10076; F3572; |
|---|---|
| Sample Donor | Not entered |
| Rock name | Gneiss. 'Original entry: Biotite Gneiss With Muscovite' |
| Stratigraphy | Not entered |
| Comments | biotite gneiss with muscovite, ,Collected by P Niggli; Purchase from Schwalm, B�tzingen (Baden):G8 |
| Locality details | Cenere Tunnel,surface exposure,Zone of Roots,Switzerland |
| 50k map sheet | Not entered |
| Map reference | Not entered |
| Year collected | 1933 |
| Bore name | Not applicable |
| Confidentiality | No restrictions |