BGS mineralogy and petrology collection record

Sample number	S90794
Sample Donor	Flinn, Prof. Derek. (Liverpool University)
Rock name	'Original entry: Porphyritic Gneiss'
Stratigraphy	Not entered
Comments	Porphyritic gneiss
Locality details	Brough
50k map sheet	Yell (130) View images in GeoScenic related to 'Yell' View the geology near 'Yell'
Map reference	HU 521 794
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions