BGS mineralogy and petrology collection record

Sample number	E11036; COLLNO117;
Sample Donor	Matley, C.A
Rock name	'Original entry: Ferrified Grit'
Stratigraphy	Not entered
Comments	See Mem.Geol.of Anglesey.p.312. Quartz, chlorite, limonite. Ferriferous matrix. Corroded quartz. Zone in Llanbadrig beds S.of Ordovician grits.
Locality details	Mynydd-pant-y-Gaseg.
50k map sheet	Holyhead (93) View images in GeoScenic related to 'Holyhead' View the geology near 'Holyhead'
Map reference	SH 414 945
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.