BGS mineralogy and petrology collection record

Sample number	S69423; COLLNOBX1363;
Sample Donor	Henderson,W.G.
Rock name	'Original entry: Porphyritic Dyke Rock'
Stratigraphy	Not entered
Comments	3 m subvertical dyke; spec. from centre
Locality details	In Allt Arnan, 1260 m NW of Inverarnan Hotel
50k map sheet	Balquhidder (46) View images in GeoScenic related to 'Balquhidder' View the geology near 'Balquhidder'
Map reference	NN 3062 1887
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.