BGS mineralogy and petrology collection record

Sample number	S37244; COLLNOSJ430C;
Sample Donor	Johnstone,G.S.
Rock name	'Original entry: Rotten Cf. Trachyandesite ?Tuff'
Stratigraphy	Not entered
Comments	[?rock type], just inside caldera margin
Locality details	From junction of Greeto and Slanger burns, E 8 deg S 3400 ft
50k map sheet	Glasgow (30) View images in GeoScenic related to 'Glasgow' View the geology near 'Glasgow'
Map reference	NS 2570 6211
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.