BGS mineralogy and petrology collection record

Sample number	E10619; COLLNO20;
Sample Donor	Blake,Professor
Rock name	'Original entry: Fine Mica Schist'
Stratigraphy	Not entered
Comments	see mem.geology of Anglesey Yr 1919 cf p 281 Quartz, Feldspar, Micas, etc Finely epiclastic foliation cutting old banding Mona Complex New Harbo
Locality details	Chlorities Llanddeusant
50k map sheet	Holyhead (93) View images in GeoScenic related to 'Holyhead' View the geology near 'Holyhead'
Map reference	SH 345 852
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.