BGS mineralogy and petrology collection record

Sample number	S48685; COLLNOYR522;
Sample Donor	Smith,D.I.
Rock name	'Original entry: Felsitic Porphyrite'
Stratigraphy	Not entered
Comments	Felsitic porphyrite dyke
Locality details	Inverawe Tunnel runs SE (HE 26); 2390 ft from access tunnel portal
50k map sheet	Oban (45) View images in GeoScenic related to 'Oban' View the geology near 'Oban'
Map reference	NN 0236 3203
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.