BGS mineralogy and petrology collection record

Sample number	S30398; COLLNOTR158;
Sample Donor	Robertson,T.
Rock name	'Original entry: Hornblende Lamprophyre'
Stratigraphy	Not entered
Comments	Lamprophyre dyke; acid oligoclase, some K-feldspar
Locality details	S10. Flat Lamba Stack, NE of Bruray, Out Skeries
50k map sheet	Central Shetland (128) View images in GeoScenic related to 'Central Shetland' View the geology near 'Central Shetland'
Map reference	HU 695 724
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.