BGS mineralogy and petrology collection record

Sample number E65540; COLLNOMB45;
Sample Donor Barton, C.M.
Rock name Chert. 'Original entry: Chert'
Stratigraphy Not entered
Comments Teignmouth Chert, loose.
Locality details 400 m. NW. of Lower Heltor.
50k map sheet Exeter (325)

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Map reference SX 7922 8770
Year collected Not entered 
Bore name Not applicable
Confidentiality No restrictions

Petrological thin sections

Links to high resolution images

Transition from XPL to PPL light


E65540

Cross Polarized, E65540

Plane Polarized, E65540

Plane Polarized, E65540