BGS mineralogy and petrology collection record

Sample number	E6054; COLLNO1;
Sample Donor	Greenly,E.
Rock name	'Original entry: Coarse Dolerite'
Stratigraphy	Not entered
Comments	See Mem.Geol.of Anglesey pp.487:522. Partly ophitic contains a little hornblende.c of E.10229
Locality details	Core of dyke near Bryn Ffisiwn
50k map sheet	Holyhead (93) View images in GeoScenic related to 'Holyhead' View the geology near 'Holyhead'
Map reference	SH 262 771
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.