BGS mineralogy and petrology collection record

Sample number	E10897; COLLNO298;
Sample Donor	Blake,Professor
Rock name	'Original entry: Mica Schist'
Stratigraphy	Not entered
Comments	Mona Complex. Pen.-Zone. See Mem.Geol.of Anglesey.p.373. Porphyroblast of albite.
Locality details	E.of Tyn-lon, Llanefni to Beaumaris
50k map sheet	Llandudno (94) View images in GeoScenic related to 'Llandudno' View the geology near 'Llandudno'
Map reference	SH 528 766
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.