BGS mineralogy and petrology collection record

Sample number	MR7755
Sample Donor	Not entered
Rock name	Felsite, Porphyritic. 'Original entry: Porphyrite'
Stratigraphy	Cambrian.
Comments	Porphyrite,post Cambrian,Collected byTG Jones J42
Locality details	Middle Mill,NE of Whitchurch,
50k map sheet	St. Davids (209) View images in GeoScenic related to 'St. Davids' View the geology near 'St. Davids'
Map reference
Year collected	1931
Bore name	Not applicable
Confidentiality	No restrictions