BGS mineralogy and petrology collection record

Sample number	E10993; COLLNO74;
Sample Donor	Matley, C.A
Rock name	'Original entry: Conglomerate'
Stratigraphy	Not entered
Comments	see mem. Geology of Anglesey pp 462:550 Heavily deformed fragments of Albite Gneiss Gwna green schist etc Ordovician Plutonic Intrusions
Locality details	Mynydd-y-Garn near the Summit
50k map sheet	Holyhead (93) View images in GeoScenic related to 'Holyhead' View the geology near 'Holyhead'
Map reference	SH 315 907
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.