BGS mineralogy and petrology collection record

Sample number	E30453; COLLNOC162;
Sample Donor	Collins,G.H.
Rock name	Not entered
Stratigraphy	Not entered
Comments	Chert ?
Locality details	Tower Hill Quarry.
50k map sheet	Barnstaple (293) View images in GeoScenic related to 'Barnstaple' View a geological map near 'Barnstaple'
Map reference	SS 570 295
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.