BGS mineralogy and petrology collection record

Sample number	E10624; COLLNO25;
Sample Donor	Blake,Professor
Rock name	'Original entry: Fine Mica Schist'
Stratigraphy	Not entered
Comments	see mem.geology of Anglesey Yr 1919 cf p 282 Same minerals etc, Blastopsammitic pagueness of locality makes horizon?? Uncertain Mona Complex Prob. Swna Beds
Locality details	Pont Cynydd [? Esgynydd] Llanddeusant
50k map sheet	Holyhead (93) View images in GeoScenic related to 'Holyhead' View the geology near 'Holyhead'
Map reference	SH 346 859
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.