BGS mineralogy and petrology collection record

Sample number	E8471; COLLNO132;
Sample Donor	Calloway, G.A.
Rock name	'Original entry: Grit Pebbly'
Stratigraphy	Not entered
Comments	Ordovician. Arenig. See Anglesey Memoir.cf.p.440-2. Sht.93.
Locality details	Llechylched
50k map sheet	Holyhead (93) View images in GeoScenic related to 'Holyhead' View the geology near 'Holyhead'
Map reference	SH 342 767
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.