BGS mineralogy and petrology collection record

Sample number	E10302; COLLNO514;
Sample Donor	Greenly,E.
Rock name	'Original entry: Tholeiite; Dolerite'
Stratigraphy	Not entered
Comments	Dyke prob.Tertiary See ANAL.MEM.1931 p.104
Locality details	Traeth Bychan dyke, N.of Dinas
50k map sheet	Holyhead (93) View images in GeoScenic related to 'Holyhead' View the geology near 'Holyhead'
Map reference	SH 517 846
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.