BGS mineralogy and petrology collection record

Sample number E2971; COLLNO46;
Sample Donor Usher,W.A.E.
Rock name 'Original entry: Impure Chert'
Stratigraphy Not entered
Comments Spheroidal bodies which may represent Radiolaria.
Locality details Gravel Pit Ford, 1 mile ENE. of Bampton.
50k map sheet Tiverton (310)

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Map reference
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


E2971

Cross Polarized, E2971

Plane Polarized, E2971

Plane Polarized, E2971