BGS mineralogy and petrology collection record

Sample number	E10831; COLLNO232;
Sample Donor	Blake,Professor
Rock name	'Original entry: Metasomatic Quartz'
Stratigraphy	Not entered
Comments	see mem. Geology of Anglesey pp 333-4 Careg-y-doll?.? Polygonal texture Palaeozoic Metasomitism
Locality details	Qy. mass SW. of Parys Mountain
50k map sheet	Holyhead (93) View images in GeoScenic related to 'Holyhead' View the geology near 'Holyhead'
Map reference	SH 433 897
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.