BGS mineralogy and petrology collection record

Sample number	S30380; COLLNOTR140;
Sample Donor	Robertson,T.
Rock name	'Original entry: Quartz-Soaked Oligoclase Gneiss'
Stratigraphy	Not entered
Comments	Gneiss; sutured quartz, muscovite-quartz symplectite; biotite ?recrystallised with quartz
Locality details	S7. The Vongs, easternmost skerry
50k map sheet	Central Shetland (128) View images in GeoScenic related to 'Central Shetland' View the geology near 'Central Shetland'
Map reference	HU 639 702
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.