BGS mineralogy and petrology collection record

Sample number	MR5921
Sample Donor	Not entered
Rock name	Lamprophyres. 'Original entry: Porphyrite'
Stratigraphy	Lower Permian. Exeter Group.
Comments	Porphyrite,Exeter Volcanic Rocks,Lower Permian,
Locality details	Spencecombe qy., near Knowle, 2.25 miles N of Yeoford,
50k map sheet	Exeter (325) View images in GeoScenic related to 'Exeter' View a geological map near 'Exeter'
Map reference	SS 794 017
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions