BGS mineralogy and petrology collection record

Sample number	S20231; COLLNO124;
Sample Donor	Richey, James E.
Rock name	'Original entry: Trachybasalt Jer Basaltic Rock With Porphyritic Hornblende Agm'
Stratigraphy	Not entered
Comments	10 ft ENE dyke, cuts lavas of Calcif Sst Ser age (note hornblende); Ayrshire Memoir, pp. 88, 110
Locality details	460 yds SW of Reivoch
50k map sheet	Kilmarnock (22) View images in GeoScenic related to 'Kilmarnock' View the geology near 'Kilmarnock'
Map reference	NS 3947 5681
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.