BGS mineralogy and petrology collection record

Sample number	S30402; COLLNOTR162;
Sample Donor	Robertson,T.
Rock name	'Original entry: Hornblende Lamprophyre'
Stratigraphy	Not entered
Comments	Lamprophyre sill, muscovitised, epidotised and permeated by K and SiO2
Locality details	S21. The Pallions, 240 yds S of trig pt 84 ft, Grunay, Out Skerries
50k map sheet	Central Shetland (128) View images in GeoScenic related to 'Central Shetland' View the geology near 'Central Shetland'
Map reference	HU 694 712
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.