BGS mineralogy and petrology collection record

Sample number	E10971; COLLNO52;
Sample Donor	Matley, C.A
Rock name	'Original entry: Oolitic Ironstone'
Stratigraphy	Not entered
Comments	see mem. Geology of Anglesey pp 406:475 Sideritic Chlorite?.ite, quartz,. Oolitic grains of siderite & Chlorite near Graptolite shales Ordovician Glenkiln Beds
Locality details	Above Porth Padrig [tide covers rocks]
50k map sheet	Holyhead (93) View images in GeoScenic related to 'Holyhead' View the geology near 'Holyhead'
Map reference	SH 375 945
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.