BGS mineralogy and petrology collection record

Sample number	E30376; COLLNOC1122;
Sample Donor	Collins,G.H.
Rock name	Not entered
Stratigraphy	Not entered
Comments	Medium grained dolerite.
Locality details	Clegyrn Quarry, 1800 Yds. E. at 20 deg. S. of St. Nicholas Church.
50k map sheet	St. Davids (209) View images in GeoScenic related to 'St. Davids' View a geological map near 'St. Davids'
Map reference	SM 916 350
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.