BGS mineralogy and petrology collection record

Sample number	E10903; COLLNO304;
Sample Donor	Blake,Professor
Rock name	'Original entry: Grit'
Stratigraphy	Not entered
Comments	see mem. Geology of Anglesey p 316 Much Micacized. Old composite fragments Mona Complex Skerries Grits
Locality details	Llanfechell near Dyke
50k map sheet	Holyhead (93) View images in GeoScenic related to 'Holyhead' View the geology near 'Holyhead'
Map reference	SH 367 911
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.