BGS mineralogy and petrology collection record

Sample number	S23377; COLLNOL392;
Sample Donor	Macgregor,A.G.
Rock name	'Original entry: Acid Porphyrite (Goup 1) Agm'
Stratigraphy	Not entered
Comments	5 ft WNW dyke (irregular acid intrusion scored out) cutting baked Lower ORS; Ayrshire Memoir, p. 24
Locality details	Quarry beside Horn Burn, 635 yds S 25 deg E from Loudonhill Station
50k map sheet	Kilmarnock (22) View images in GeoScenic related to 'Kilmarnock' View the geology near 'Kilmarnock'
Map reference	NS 6047 3666
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.