BGS mineralogy and petrology collection record

Sample number	E51937; COLLNOLA624;
Sample Donor	Allen,P.M.
Rock name	Porphyry. 'Original entry: Porphyry'
Stratigraphy	Not entered
Comments	Porphyry.
Locality details	Above Aber Dwyrain.
50k map sheet	St. Davids (209) View images in GeoScenic related to 'St. Davids' View the geology near 'St. Davids'
Map reference	SM 8143 2311
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.