BGS mineralogy and petrology collection record

Sample number	S23392; COLLNO134;
Sample Donor	Simpson,J.B.
Rock name	'Original entry: Pneumatolised Or Contact-Altered Rock Allied To Porphyrite And Fine-Grained Granodiorite. Relict Primary Hornblende A'
Stratigraphy	Not entered
Comments	Most probably a dyke (N-S), altered porphyrite
Locality details	0.25 mile E 3 deg N of Blacksidend Farm
50k map sheet	Kilmarnock (22) View images in GeoScenic related to 'Kilmarnock' View the geology near 'Kilmarnock'
Map reference	NS 5777 2900
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.