BGS mineralogy and petrology collection record

Sample number	E10859; COLLNO260;
Sample Donor	Blake,Professor
Rock name	'Original entry: Grit'
Stratigraphy	Not entered
Comments	see mem. Geology of Anglesey p 462 Well rolled Quartz Not like Mona Complex Ordivician Arenig Beds
Locality details	Garn [in Agglomerate]
50k map sheet	Holyhead (93) View images in GeoScenic related to 'Holyhead' View the geology near 'Holyhead'
Map reference	SH 319 909
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.