BGS mineralogy and petrology collection record

Sample number	S23179; COLLNOL73;
Sample Donor	Macgregor,A.G.
Rock name	'Original entry: Slightly Porphyritic Medium-Grained Sub-Basic Rock (?Sill) Group 2: Baked (Stage 3) Agm'
Stratigraphy	Not entered
Comments	Felsite dyke (hornfelsed) in baked Lower ORS
Locality details	In Glen Garr burn 515 yds S 8 deg W of cairn, Blackside
50k map sheet	Kilmarnock (22) View images in GeoScenic related to 'Kilmarnock' View the geology near 'Kilmarnock'
Map reference	NS 5914 3054
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.