BGS mineralogy and petrology collection record

Sample number	MR21715
Sample Donor	Chaperlin,K.
Rock name	'Original entry: Basic Igneous Rock'
Stratigraphy	Not entered
Comments	Basic igneous rock. NGR as in register.
Locality details	Quarry name: Bwlch Gwyn Quarry: at 3/4 ml E of Holland Arm's Station
50k map sheet	Caernarfon (105) View images in GeoScenic related to 'Caernarfon' View the geology near 'Caernarfon'
Map reference	SH 479 728
Year collected	1958
Bore name	Not applicable
Confidentiality	No restrictions