BGS mineralogy and petrology collection record

Sample number MR12522
Sample Donor Not entered
Rock name Limestone. 'Original entry: Limestone'
Stratigraphy Not entered
Comments limestone, ,:N92
Locality details Mont Cenis (Fr�jus) Tunnel, Alps. Distance from Bardonecchia, Torino, Italy 5197m,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 2045 
Bore name Not applicable
Confidentiality No restrictions