BGS mineralogy and petrology collection record

Sample number	E22834; COLLNO7A;
Sample Donor	Road Research Laboratory
Rock name	'Original entry: Granite'
Stratigraphy	Not entered
Comments	Not entered
Locality details	Caerglaw Qu., Gwalchmai
50k map sheet	Caernarfon (105) View images in GeoScenic related to 'Caernarfon' View the geology near 'Caernarfon'
Map reference	SH 383 765
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.