BGS mineralogy and petrology collection record

Sample number	MR29642; COLLNOXT255;
Sample Donor	Ruckley,N.A.
Rock name	'Original entry: Porphyrite'
Stratigraphy	Dinantian. Lower Carboniferous ?.
Comments	Porphyrite. NGR as in register.
Locality details	Quarry name: not recorded: at Disused quarry 900 yds due E of Knockhanty
50k map sheet	Campbeltown (12) View images in GeoScenic related to 'Campbeltown' View the geology near 'Campbeltown'
Map reference	NR 652 200
Year collected	1967
Bore name	Not applicable
Confidentiality	No restrictions