BGS mineralogy and petrology collection record

Sample number	MR25060
Sample Donor	Collins,G.H.
Rock name	'Original entry: Dolerite'
Stratigraphy	Not entered
Comments	Altered dolerite.. NGR as in register.
Locality details	Quarry name: Tancreston quarry.: at 100 yds W 2 degrees N of bridge at Tancreston. Pembrokeshire
50k map sheet	St. Davids (209) View images in GeoScenic related to 'St. Davids' View the geology near 'St. Davids'
Map reference	SM 885 263
Year collected	1961
Bore name	Not applicable
Confidentiality	No restrictions