BGS mineralogy and petrology collection record

Sample number	S18407; COLLNO1661;
Sample Donor	Clough, C.T.
Rock name	'Original entry: Teschenite Theralitic Essexite. Coarse Ophitic Theralitic Essexite Agm.'
Stratigraphy	Not entered
Comments	Dundonald Castle sill (nepheline); Ayrshire Memoir, p. 275
Locality details	40 yds N of Dundonald Castle
50k map sheet	Kilmarnock (22) View images in GeoScenic related to 'Kilmarnock' View the geology near 'Kilmarnock'
Map reference	NS 3638 3459
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.