BGS mineralogy and petrology collection record

Sample number	E10815; COLLNO216;
Sample Donor	Blake,Professor
Rock name	'Original entry: Schistose Grit'
Stratigraphy	Not entered
Comments	see mem. Geology of Anglesey p 308 Quartz micacioed Feldspars, Mica, Chloritoid with secondary Mica Mona Complex Gwna Beds [prob]
Locality details	West of Cemmaes
50k map sheet	Holyhead (93) View images in GeoScenic related to 'Holyhead' View the geology near 'Holyhead'
Map reference	SH 369 934
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.