BGS mineralogy and petrology collection record

Sample number	S48692; COLLNOYR537;
Sample Donor	Smith,D.I.
Rock name	'Original entry: Dark Porphyrite'
Stratigraphy	Not entered
Comments	Dark porphyrite dyke
Locality details	Inverawe Tunnel runs SE (HE 26); 990 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 0197 3219
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.