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 a geological map near 'St. Davids'
Map reference
Year collected	1931
Bore name	Not applicable
Confidentiality	No restrictions