BGS mineralogy and petrology collection record

Sample number	E11027; COLLNO108;
Sample Donor	Matley, C.A
Rock name	'Original entry: Calcareous Grit'
Stratigraphy	Not entered
Comments	Mona Complex. Gwna Beds. See Mem.Geol.of Anglesey.p.309. Quartz, calcite, etc. Like E.11026, but calcareous. ?Ancient dyke.
Locality details	Llanbadrig.
50k map sheet	Holyhead (93) View images in GeoScenic related to 'Holyhead' View the geology near 'Holyhead'
Map reference	SH 374 946
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.