BGS mineralogy and petrology collection record

Sample number	E8529; COLLNO506;
Sample Donor	Calloway, G.A.
Rock name	'Original entry: Siliceous Schist'
Stratigraphy	Not entered
Comments	See Mem.Geol.of Anglesey.p.370. Small, well formed mica's
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.