BGS mineralogy and petrology collection record

Sample number	COLLNOYW1743; MC9767;
Sample Donor	May,F.
Rock name	'Original entry: Quartz Porphyry'
Stratigraphy	Not entered
Comments	Quartz porphyry, creamy white with prominent quartz phenocrysts, large intrusion in contact with biotite granite
Locality details	Sron Nead
50k map sheet	Glen Roy (63W) View images in GeoScenic related to 'Glen Roy' View the geology near 'Glen Roy'
Map reference	NN 4190 9198
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions