BGS mineralogy and petrology collection record
| Sample number | MR10134; F3638; |
|---|---|
| Sample Donor | Not entered |
| Rock name | Hornblende-Schist. 'Original entry: Hornblende Schist' |
| Stratigraphy | Not entered |
| Comments | hornblende schist, ,Collected by P Niggli; Purchase from Schwalm, B�tzingen (Baden):O2 |
| Locality details | Gravasalvas, Silsersee,surface exposure,Platta Nappe,Switzerland |
| 50k map sheet | Not entered |
| Map reference | Not entered |
| Year collected | 1933 |
| Bore name | Not applicable |
| Confidentiality | No restrictions |