BGS mineralogy and petrology collection record

Sample number	E10952; COLLNO33;
Sample Donor	Matley, C.A
Rock name	'Original entry: Pebble Of Gwna Quartzite'
Stratigraphy	Not entered
Comments	see mem. Geology of Anglesey pp 471-2:475-7:p1 xxix Quartzite of th?.? Gwna type Blastopsammitic Ordovician Glenkiln Conglomerate
Locality details	Ogo Gynfor
50k map sheet	Holyhead (93) View images in GeoScenic related to 'Holyhead' View the geology near 'Holyhead'
Map reference	SH 378 948
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.