BGS mineralogy and petrology collection record
| Sample number | MR10015; F3499; |
|---|---|
| Sample Donor | Not entered |
| Rock name | Granite, Gneissose. 'Original entry: Granite Gneiss' |
| Stratigraphy | Not entered |
| Comments | granite gneiss, ,Collected by P Niggli; Purchase from Schwalm, B�tzingen (Baden):L1 |
| Locality details | Selvasecca, Lukmanierstrasse,surface exposure,Gotthard Massif,Switzerland |
| 50k map sheet | Not entered |
| Map reference | Not entered |
| Year collected | 1933 |
| Bore name | Not applicable |
| Confidentiality | No restrictions |