BGS mineralogy and petrology collection record

Sample number	E10909; COLLNO310;
Sample Donor	Blake,Professor
Rock name	'Original entry: Silicified Felsite'
Stratigraphy	Not entered
Comments	see mem. Geology of Anglesey pp 534-5:562 Similar but somewhat Haematized Palaeozoic Metasomatism
Locality details	N. of Pensarn Amlwch
50k map sheet	Holyhead (93) View images in GeoScenic related to 'Holyhead' View the geology near 'Holyhead'
Map reference	SH 461 907
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.