BGS mineralogy and petrology collection record

Sample number	S30384; COLLNOTR144;
Sample Donor	Robertson,T.
Rock name	'Original entry: Granite Gneiss'
Stratigraphy	Not entered
Comments	Garnetiferous gneiss; microcline replacing turbid oligoclase; myrmekite
Locality details	S5. The Vongs, northernmost skerry
50k map sheet	Central Shetland (128) View images in GeoScenic related to 'Central Shetland' View the geology near 'Central Shetland'
Map reference	HU 638 704
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.