BGS mineralogy and petrology collection record

Sample number	E8468; COLLNO129;
Sample Donor	Calloway, G.A.
Rock name	'Original entry: Pebbly Grit. Arkose.'
Stratigraphy	Not entered
Comments	See Mem.Geol.of Anglesey c.f.p.451-6. Ordovician. H----? Uncertain. Fragments of Mona Complex.
Locality details	Llanbalo Quarry
50k map sheet	Holyhead (93) View images in GeoScenic related to 'Holyhead' View the geology near 'Holyhead'
Map reference	SH 378 869
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.