BGS mineralogy and petrology collection record

Sample number MR12367
Sample Donor Not entered
Rock name Silt (Undifferentiated). 'Original entry: Grit'
Stratigraphy Not entered
Comments grit, ,:N19
Locality details Mont Cenis (Fr�jus) Tunnel, Alps. Distance from Modane, Savoie, France 1586m,Mont Cenis railway tunnel,The first great Alpine tunnel, driven from two headings from 1857 to 1871, using novel tunnelling techniques including dynamite.,France -
50k map sheet Not entered
Map reference Not entered
Year collected 1891 
Bore name Not applicable
Confidentiality No restrictions