BGS mineralogy and petrology collection record

Sample number	MR20965
Sample Donor	Not entered
Rock name	Slate. 'Original entry: Blue Granite Of Back Vein'
Stratigraphy	Not entered
Comments	Blue granite of back vein,Collected byT.N. George TN128
Locality details	Maen Offeren Quarries, Blaenau Ffestiniog, Merioneth,
50k map sheet	Snowdon (119) View images in GeoScenic related to 'Snowdon' View a geological map near 'Snowdon'
Map reference	SH 708 465
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions