BGS mineralogy and petrology collection record

Sample number	E11074; COLLNO155;
Sample Donor	Matley, C.A
Rock name	'Original entry: Grit. Quartz Grit.'
Stratigraphy	Not entered
Comments	Mona Complex. Gwna Beds. See Mem.Geol.of Anglesey.p.290. Near ? Quartzite:coarse grit. Adjoining Qtz.Knob.band.
Locality details	Coast just N.of Ynys-y-Fydlyn
50k map sheet	Holyhead (93) View images in GeoScenic related to 'Holyhead' View the geology near 'Holyhead'
Map reference	SH 292 919
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.