BGS mineralogy and petrology collection record

Sample number	S49335; COLLNOYC1202;
Sample Donor	Mykura,W.
Rock name	'Original entry: Altered Sub-Basic Dyke'
Stratigraphy	Not entered
Comments	Fine-grained dolerite dyke; W Shetland Mem, p. 245
Locality details	NE shore of The Brigs, 1425 yds ENE of SW corner of Muckle Head
50k map sheet	Central Shetland (128) View images in GeoScenic related to 'Central Shetland' View the geology near 'Central Shetland'
Map reference	HU 310 585
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.