BGS mineralogy and petrology collection record

Sample number	E29169; COLLNODK205;
Sample Donor	Knill,D.C.
Rock name	'Original entry: Porphyritic Basalt'
Stratigraphy	Not entered
Comments	Basalt
Locality details	Old Qry, S of Railway Cutting 176 yds W of Westown
50k map sheet	Exeter (325) View images in GeoScenic related to 'Exeter' View the geology near 'Exeter'
Map reference	SX 886 904
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.