BGS mineralogy and petrology collection record

Sample number	S37413; COLLNOSJ438;
Sample Donor	Johnstone,G.S.
Rock name	'Original entry: Altered Trachyandesite'
Stratigraphy	Not entered
Comments	Dyke, ?felsite, cuts d ' lavas
Locality details	Junction of N Grain Burn and Greeto Burn
50k map sheet	Glasgow (30) View images in GeoScenic related to 'Glasgow' View the geology near 'Glasgow'
Map reference	NS 2578 6264
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.