BGS mineralogy and petrology collection record

Sample number	E26745; COLLNOA228;
Sample Donor	Whitehead,T.H.
Rock name	Not entered
Stratigraphy	Not entered
Comments	Spherulitic quartz porphyry.
Locality details	Quarry, N. of Cathedral, St. Davids.
50k map sheet	St. Davids (209) View images in GeoScenic related to 'St. Davids' View a geological map near 'St. Davids'
Map reference	SM 752 258
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.