BGS mineralogy and petrology collection record

Sample number	E5716; COLLNO77; NEGM1258;
Sample Donor	Thomas, Dr.
Rock name	'Original entry: Ophitic Dolerite'
Stratigraphy	Not entered
Comments	See Antiquarries Journal, July 1923 (vol. 111,No.3) Pl.xx11 fig.1 DYKE
Locality details	Prescelly Mountains,S.of Bedd Arthur
50k map sheet	Fishguard (210) View images in GeoScenic related to 'Fishguard' View the geology near 'Fishguard'
Map reference	SN 130 325
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.