BGS mineralogy and petrology collection record

Sample number	S83356; COLLNOYW1883;
Sample Donor	May,F.
Rock name	Andesite. 'Original entry: Porphyrite'
Stratigraphy	Not entered
Comments	Porphyrite from dyke
Locality details	Carn Brunachain
50k map sheet	Glen Roy (63) View images in GeoScenic related to 'Glen Roy' View a geological map near 'Glen Roy'
Map reference	NN 3360 8941
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.