BGS mineralogy and petrology collection record

Sample number	E2977; COLLNO104;
Sample Donor	Usher,W.A.E.
Rock name	'Original entry: Banded Chert (Casts Of Radiolaria)'
Stratigraphy	Not entered
Comments	Not entered
Locality details	Quarry S. of Bishops Tawton.
50k map sheet	Barnstaple (293) View images in GeoScenic related to 'Barnstaple' View the geology near 'Barnstaple'
Map reference
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.