BGS mineralogy and petrology collection record

Sample number MR12334
Sample Donor Not entered
Rock name Silt (Undifferentiated). 'Original entry: Schistose Grit'
Stratigraphy Not entered
Comments schistose grit, ,:N1--2
Locality details Mont Cenis (Fr�jus) Tunnel, Alps. Distance from Modane, Savoie, France 230 - 270m,Mont Cenis railway tunnel,The first great Alpine tunnel, driven from two headings from 1857 to 1871, using novel tunnelling techniques including dynamite.,Fra
50k map sheet Not entered
Map reference Not entered
Year collected 1858 
Bore name Not applicable
Confidentiality No restrictions