BGS mineralogy and petrology collection record

Sample number	S46974; COLLNOYZ73;
Sample Donor	Berridge,N.G.
Rock name	Not entered
Stratigraphy	Not entered
Comments	Not entered
Locality details	Nant Low Pressure Tunnel (HE 26), 4570 ft from intake portal
50k map sheet	Oban (45) View images in GeoScenic related to 'Oban' View a geological map near 'Oban'
Map reference	NN 0046 2210
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.