BGS mineralogy and petrology collection record

Sample number	E11033; COLLNO114;
Sample Donor	Matley, C.A
Rock name	'Original entry: Dolerite'
Stratigraphy	Not entered
Comments	Palaeozoic Intrusions. See Mem.Geol.of Anglesey.p.524. Same dyke as E10970, but probably from core.
Locality details	Dyke bet. Porth Padrig & Vicarage.
50k map sheet	Holyhead (93) View images in GeoScenic related to 'Holyhead' View the geology near 'Holyhead'
Map reference	SH 377 943
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.