BGS mineralogy and petrology collection record

Sample number	E9689; COLLNO24;
Sample Donor	Greenly,E.
Rock name	'Original entry: Ashy Grits'
Stratigraphy	Not entered
Comments	See Mem.Geol.of Anglesey.p.?
Locality details	Cefni House (at 100'SSW.of) Llangefni
50k map sheet	Caernarfon (105) View images in GeoScenic related to 'Caernarfon' View the geology near 'Caernarfon'
Map reference	SH 457 751
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.