BGS mineralogy and petrology collection record

Sample number	E10988; COLLNO69;
Sample Donor	Matley, C.A
Rock name	'Original entry: Blastopsaphitic Schist'
Stratigraphy	Not entered
Comments	see mem. Geology of Anglesey p 300 Quartz, Albite, Epidote, Mica etc. many composite fragments Mona Complex Amlwch Beds
Locality details	SE. of Porth-y-Gwartheg
50k map sheet	Holyhead (93) View images in GeoScenic related to 'Holyhead' View the geology near 'Holyhead'
Map reference	SH 348 939
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.