BGS mineralogy and petrology collection record

Sample number	S33775; MR20574; COLLNOSB202;
Sample Donor	Buchan,S.
Rock name	'Original entry: Porphyrite'
Stratigraphy	Not entered
Comments	Dyke
Locality details	620 yds NE of Brenwell and 670 yds SE of extreme SE tip of Corn Head
50k map sheet	West Shetland ? (127) View images in GeoScenic related to 'West Shetland ?' View the geology near 'West Shetland ?'
Map reference	HU 229 569
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.