BGS mineralogy and petrology collection record

Sample number	E30969; MR26980; COLLNOMW14;
Sample Donor	Williams,M.
Rock name	'Original entry: Altered Porphyritic Olivine Basalt (Ophitic)'
Stratigraphy	Not entered
Comments	?Bedded lava with bright green ?zeolites. Dip apparently 10 deg to E 25 deg to N
Locality details	Hedge Row exposure, 380 yds ENE of Knowle Chapel
50k map sheet	Exeter (325) View images in GeoScenic related to 'Exeter' View the geology near 'Exeter'
Map reference	SS 785 015
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.