BGS mineralogy and petrology collection record

Sample number	E10600; COLLNO1;
Sample Donor	Blake,Professor
Rock name	'Original entry: Quartz-Schist'
Stratigraphy	Not entered
Comments	Sheet 92 (see note on loose sheet) Mona Complex. Holyhead Quartzite. See Mem.Geol.of Anglesey.p.268. Quartz,white mica & accessories. Texture blasto psammitic
Locality details	Holyhead Great Quarry, vertical
50k map sheet	South Stack (92) View images in GeoScenic related to 'South Stack' View a geological map near 'South Stack'
Map reference	SH 227 832
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.