BGS mineralogy and petrology collection record

Sample number	E10626; COLLNO27;
Sample Donor	Blake,Professor
Rock name	'Original entry: Gwna Green Schist'
Stratigraphy	Not entered
Comments	see mem.geology of Anglesey Yr 1919 cf p 282 Quartz, White mica, Chlorite etc Blastopsammitic area?.phisim low Mona Complex Gwna Beds
Locality details	Llanfacthlu ass. With limestone
50k map sheet	Holyhead (93) View images in GeoScenic related to 'Holyhead' View the geology near 'Holyhead'
Map reference	SH 310 869
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.