BGS mineralogy and petrology collection record

Sample number	E10954; COLLNO35;
Sample Donor	Matley, C.A
Rock name	'Original entry: Quartzite'
Stratigraphy	Not entered
Comments	see mem. Geology of Anglesey p 11 Quartz, Garnet, Zircon, Rutile with foliated Mica. Ancient fragments Ordovician Gwna Beds
Locality details	Graig Wen West of side
50k map sheet	Holyhead (93) View images in GeoScenic related to 'Holyhead' View the geology near 'Holyhead'
Map reference	SH 399 947
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.