BGS mineralogy and petrology collection record

Sample number	E8534; COLLNO511;
Sample Donor	Calloway, G.A.
Rock name	Not entered
Stratigraphy	Not entered
Comments	See Mem.Geol.of Anglesey.p.370. ? Hornblende.
Locality details	Llangaffo.
50k map sheet	Caernarfon (105) View images in GeoScenic related to 'Caernarfon' View the geology near 'Caernarfon'
Map reference	SH 444 683
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.