BGS mineralogy and petrology collection record

Sample number	E8411; COLLNO6;
Sample Donor	Calloway, G.A.
Rock name	'Original entry: Sodium Quartz Felsite'
Stratigraphy	Not entered
Comments	See Mem.Geol.of Anglesey cf p.529. Mona Complex. Palaeozoic Intrusion Prob.dyke 1100ft.N.W.of Church
Locality details	W.of Bodwrog
50k map sheet	Holyhead (93) View images in GeoScenic related to 'Holyhead' View the geology near 'Holyhead'
Map reference	SH 397 776
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.