BGS mineralogy and petrology collection record

Sample number	S67763; COLLNOWX210;
Sample Donor	Stephenson,D.
Rock name	Not entered
Stratigraphy	Not entered
Comments	Flow, sparsely porphyritic ?trachyte, 3-4mm, ?alk fsp. Resembles S 67759. Cuts agglomerate.
Locality details	Waterfall at Muirshiels Bridge
50k map sheet	Glasgow (30) View images in GeoScenic related to 'Glasgow' View a geological map near 'Glasgow'
Map reference	NS 3097 6345
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.