BGS mineralogy and petrology collection record

Sample number	S71231; COLLNONX1047;
Sample Donor	Rock,N.M.S.
Rock name	'Original entry: "Lamprophyre"'
Stratigraphy	Not entered
Comments	"Lamprophyre"; 0.5 m near-concordant gently-dipping foliated sill
Locality details	Glas Aird, Colonsay
50k map sheet	Colonsay (35) View images in GeoScenic related to 'Colonsay' View the geology near 'Colonsay'
Map reference	NR 4012 9470
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.